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/common/libraries/plugin/getid3/write.id3v2.php

https://bitbucket.org/renaatdemuynck/chamilo
PHP | 2637 lines | 2159 code | 166 blank | 312 comment | 339 complexity | 2e6f9ddef7a2f0f3585b9fcbb032e6ab MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-2.1, LGPL-3.0, GPL-3.0, MIT, GPL-2.0 
    

  1. <?php

    2. 

  2. /////////////////////////////////////////////////////////////////
    3. 

  3. /// getID3() by James Heinrich <info@getid3.org>               //
    4. 

  4. //  available at http://getid3.sourceforge.net                 //
    5. 

  5. //            or http://www.getid3.org                         //
    6. 

  6. /////////////////////////////////////////////////////////////////
    7. 

  7. // See readme.txt for more details                             //
    8. 

  8. /////////////////////////////////////////////////////////////////
    9. 

  9. ///                                                            //
    10. 

  10. // write.id3v2.php                                             //
    11. 

  11. // module for writing ID3v2 tags                               //
    12. 

  12. // dependencies: module.tag.id3v2.php                          //
    13. 

  13. //                                                            ///
    14. 

  14. /////////////////////////////////////////////////////////////////
    15. 

  15. 

    16. 

  16. 

    17. 

  17. getid3_lib :: IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true);

    18. 

  18. 

    19. 

  19. class getid3_write_id3v2

    20. 

  20. {

    21. 

  21.     var $filename;

    22. 

  22.     var $tag_data;

    23. 

  23.     var $paddedlength = 4096; // minimum length of ID3v2 tag in bytes
    24. 

  24.     var $majorversion = 3; // ID3v2 major version (2, 3 (recommended), 4)
    25. 

  25.     var $minorversion = 0; // ID3v2 minor version - always 0
    26. 

  26.     var $merge_existing_data = false; // if true, merge new data with existing tags; if false, delete old tag data and only write new tags
    27. 

  27.     var $id3v2_default_encodingid = 0; // default text encoding (ISO-8859-1) if not explicitly passed
    28. 

  28.     var $id3v2_use_unsynchronisation = false; // the specs say it should be TRUE, but most other ID3v2-aware programs are broken if unsynchronization is used, so by default don't use it.
    29. 

  29.     var $warnings = array(); // any non-critical errors will be stored here
    30. 

  30.     var $errors = array(); // any critical errors will be stored here
    31. 

  31. 

    32. 

  32.     

    33. 

  33.     function __construct()

    34. 

  34.     {

    35. 

  35.         return true;

    36. 

  36.     }

    37. 

  37. 

    38. 

  38.     function WriteID3v2()

    39. 

  39.     {

    40. 

  40.         // File MUST be writeable - CHMOD(646) at least. It's best if the
    41. 

  41.         // directory is also writeable, because that method is both faster and less susceptible to errors.
    42. 

  42.         

    43. 

  43. 

    44. 

  44.         if (is_writeable($this->filename) || (! file_exists($this->filename) && is_writeable(dirname($this->filename))))

    45. 

  45.         {

    46. 

  46.             // Initialize getID3 engine
    47. 

  47.             $getID3 = new getID3();

    48. 

  48.             $OldThisFileInfo = $getID3->analyze($this->filename);

    49. 

  49.             if ($OldThisFileInfo['filesize'] >= pow(2, 31))

    50. 

  50.             {

    51. 

  51.                 $this->errors[] = 'Unable to write ID3v2 because file is larger than 2GB';

    52. 

  52.                 fclose($fp_source);

    53. 

  53.                 return false;

    54. 

  54.             }

    55. 

  55.             if ($this->merge_existing_data)

    56. 

  56.             {

    57. 

  57.                 // merge with existing data
    58. 

  58.                 if (! empty($OldThisFileInfo['id3v2']))

    59. 

  59.                 {

    60. 

  60.                     $this->tag_data = $this->array_join_merge($OldThisFileInfo['id3v2'], $this->tag_data);

    61. 

  61.                 }

    62. 

  62.             }

    63. 

  63.             $this->paddedlength = max(@$OldThisFileInfo['id3v2']['headerlength'], $this->paddedlength);

    64. 

  64.             

    65. 

  65.             if ($NewID3v2Tag = $this->GenerateID3v2Tag())

    66. 

  66.             {

    67. 

  67.                 

    68. 

  68.                 if (file_exists($this->filename) && is_writeable($this->filename) && isset($OldThisFileInfo['id3v2']['headerlength']) && ($OldThisFileInfo['id3v2']['headerlength'] == strlen($NewID3v2Tag)))

    69. 

  69.                 {

    70. 

  70.                     

    71. 

  71.                     // best and fastest method - insert-overwrite existing tag (padded to length of old tag if neccesary)
    72. 

  72.                     if (file_exists($this->filename))

    73. 

  73.                     {

    74. 

  74.                         

    75. 

  75.                         ob_start();

    76. 

  76.                         if ($fp = fopen($this->filename, 'r+b'))

    77. 

  77.                         {

    78. 

  78.                             rewind($fp);

    79. 

  79.                             fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));

    80. 

  80.                             fclose($fp);

    81. 

  81.                         }

    82. 

  82.                         else

    83. 

  83.                         {

    84. 

  84.                             $this->errors[] = 'Could not open ' . $this->filename . ' mode "r+b" - ' . strip_tags(ob_get_contents());

    85. 

  85.                         }

    86. 

  86.                         ob_end_clean();

    87. 

  87.                     

    88. 

  88.                     }

    89. 

  89.                     else

    90. 

  90.                     {

    91. 

  91.                         

    92. 

  92.                         ob_start();

    93. 

  93.                         if ($fp = fopen($this->filename, 'wb'))

    94. 

  94.                         {

    95. 

  95.                             rewind($fp);

    96. 

  96.                             fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));

    97. 

  97.                             fclose($fp);

    98. 

  98.                         }

    99. 

  99.                         else

    100. 

  100.                         {

    101. 

  101.                             $this->errors[] = 'Could not open ' . $this->filename . ' mode "wb" - ' . strip_tags(ob_get_contents());

    102. 

  102.                         }

    103. 

  103.                         ob_end_clean();

    104. 

  104.                     

    105. 

  105.                     }

    106. 

  106.                 

    107. 

  107.                 }

    108. 

  108.                 else

    109. 

  109.                 {

    110. 

  110.                     

    111. 

  111.                     if ($tempfilename = tempnam('*', 'getID3'))

    112. 

  112.                     {

    113. 

  113.                         ob_start();

    114. 

  114.                         if ($fp_source = fopen($this->filename, 'rb'))

    115. 

  115.                         {

    116. 

  116.                             if ($fp_temp = fopen($tempfilename, 'wb'))

    117. 

  117.                             {

    118. 

  118.                                 

    119. 

  119.                                 fwrite($fp_temp, $NewID3v2Tag, strlen($NewID3v2Tag));

    120. 

  120.                                 

    121. 

  121.                                 rewind($fp_source);

    122. 

  122.                                 if (! empty($OldThisFileInfo['avdataoffset']))

    123. 

  123.                                 {

    124. 

  124.                                     fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);

    125. 

  125.                                 }

    126. 

  126.                                 

    127. 

  127.                                 while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE))

    128. 

  128.                                 {

    129. 

  129.                                     fwrite($fp_temp, $buffer, strlen($buffer));

    130. 

  130.                                 }

    131. 

  131.                                 

    132. 

  132.                                 fclose($fp_temp);

    133. 

  133.                                 fclose($fp_source);

    134. 

  134.                                 copy($tempfilename, $this->filename);

    135. 

  135.                                 unlink($tempfilename);

    136. 

  136.                                 ob_end_clean();

    137. 

  137.                                 return true;

    138. 

  138.                             

    139. 

  139.                             }

    140. 

  140.                             else

    141. 

  141.                             {

    142. 

  142.                                 

    143. 

  143.                                 $this->errors[] = 'Could not open ' . $tempfilename . ' mode "wb" - ' . strip_tags(ob_get_contents());

    144. 

  144.                             

    145. 

  145.                             }

    146. 

  146.                             fclose($fp_source);

    147. 

  147.                         

    148. 

  148.                         }

    149. 

  149.                         else

    150. 

  150.                         {

    151. 

  151.                             

    152. 

  152.                             $this->errors[] = 'Could not open ' . $this->filename . ' mode "rb" - ' . strip_tags(ob_get_contents());

    153. 

  153.                         

    154. 

  154.                         }

    155. 

  155.                         ob_end_clean();

    156. 

  156.                     }

    157. 

  157.                     return false;

    158. 

  158.                 

    159. 

  159.                 }

    160. 

  160.             

    161. 

  161.             }

    162. 

  162.             else

    163. 

  163.             {

    164. 

  164.                 

    165. 

  165.                 $this->errors[] = '$this->GenerateID3v2Tag() failed';

    166. 

  166.             

    167. 

  167.             }

    168. 

  168.             

    169. 

  169.             if (! empty($this->errors))

    170. 

  170.             {

    171. 

  171.                 return false;

    172. 

  172.             }

    173. 

  173.             return true;

    174. 

  174.         }

    175. 

  175.         else

    176. 

  176.         {

    177. 

  177.             $this->errors[] = '!is_writeable(' . $this->filename . ')';

    178. 

  178.         }

    179. 

  179.         return false;

    180. 

  180.     }

    181. 

  181. 

    182. 

  182.     function RemoveID3v2()

    183. 

  183.     {

    184. 

  184.         // File MUST be writeable - CHMOD(646) at least. It's best if the
    185. 

  185.         // directory is also writeable, because that method is both faster and less susceptible to errors.
    186. 

  186.         if (is_writeable(dirname($this->filename)))

    187. 

  187.         {

    188. 

  188.             

    189. 

  189.             // preferred method - only one copying operation, minimal chance of corrupting
    190. 

  190.             // original file if script is interrupted, but required directory to be writeable
    191. 

  191.             if ($fp_source = @fopen($this->filename, 'rb'))

    192. 

  192.             {

    193. 

  193.                 // Initialize getID3 engine
    194. 

  194.                 $getID3 = new getID3();

    195. 

  195.                 $OldThisFileInfo = $getID3->analyze($this->filename);

    196. 

  196.                 if ($OldThisFileInfo['filesize'] >= pow(2, 31))

    197. 

  197.                 {

    198. 

  198.                     $this->errors[] = 'Unable to remove ID3v2 because file is larger than 2GB';

    199. 

  199.                     fclose($fp_source);

    200. 

  200.                     return false;

    201. 

  201.                 }

    202. 

  202.                 rewind($fp_source);

    203. 

  203.                 if ($OldThisFileInfo['avdataoffset'] !== false)

    204. 

  204.                 {

    205. 

  205.                     fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);

    206. 

  206.                 }

    207. 

  207.                 if ($fp_temp = @fopen($this->filename . 'getid3tmp', 'w+b'))

    208. 

  208.                 {

    209. 

  209.                     while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE))

    210. 

  210.                     {

    211. 

  211.                         fwrite($fp_temp, $buffer, strlen($buffer));

    212. 

  212.                     }

    213. 

  213.                     fclose($fp_temp);

    214. 

  214.                 }

    215. 

  215.                 else

    216. 

  216.                 {

    217. 

  217.                     $this->errors[] = 'Could not open ' . $this->filename . 'getid3tmp mode "w+b"';

    218. 

  218.                 }

    219. 

  219.                 fclose($fp_source);

    220. 

  220.             }

    221. 

  221.             else

    222. 

  222.             {

    223. 

  223.                 $this->errors[] = 'Could not open ' . $this->filename . ' mode "rb"';

    224. 

  224.             }

    225. 

  225.             if (file_exists($this->filename))

    226. 

  226.             {

    227. 

  227.                 unlink($this->filename);

    228. 

  228.             }

    229. 

  229.             rename($this->filename . 'getid3tmp', $this->filename);

    230. 

  230.         

    231. 

  231.         }

    232. 

  232.         elseif (is_writable($this->filename))

    233. 

  233.         {

    234. 

  234.             

    235. 

  235.             // less desirable alternate method - double-copies the file, overwrites original file
    236. 

  236.             // and could corrupt source file if the script is interrupted or an error occurs.
    237. 

  237.             if ($fp_source = @fopen($this->filename, 'rb'))

    238. 

  238.             {

    239. 

  239.                 // Initialize getID3 engine
    240. 

  240.                 $getID3 = new getID3();

    241. 

  241.                 $OldThisFileInfo = $getID3->analyze($this->filename);

    242. 

  242.                 if ($OldThisFileInfo['filesize'] >= pow(2, 31))

    243. 

  243.                 {

    244. 

  244.                     $this->errors[] = 'Unable to remove ID3v2 because file is larger than 2GB';

    245. 

  245.                     fclose($fp_source);

    246. 

  246.                     return false;

    247. 

  247.                 }

    248. 

  248.                 rewind($fp_source);

    249. 

  249.                 if ($OldThisFileInfo['avdataoffset'] !== false)

    250. 

  250.                 {

    251. 

  251.                     fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);

    252. 

  252.                 }

    253. 

  253.                 if ($fp_temp = tmpfile())

    254. 

  254.                 {

    255. 

  255.                     while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE))

    256. 

  256.                     {

    257. 

  257.                         fwrite($fp_temp, $buffer, strlen($buffer));

    258. 

  258.                     }

    259. 

  259.                     fclose($fp_source);

    260. 

  260.                     if ($fp_source = @fopen($this->filename, 'wb'))

    261. 

  261.                     {

    262. 

  262.                         rewind($fp_temp);

    263. 

  263.                         while ($buffer = fread($fp_temp, GETID3_FREAD_BUFFER_SIZE))

    264. 

  264.                         {

    265. 

  265.                             fwrite($fp_source, $buffer, strlen($buffer));

    266. 

  266.                         }

    267. 

  267.                         fseek($fp_temp, - 128, SEEK_END);

    268. 

  268.                         fclose($fp_source);

    269. 

  269.                     }

    270. 

  270.                     else

    271. 

  271.                     {

    272. 

  272.                         $this->errors[] = 'Could not open ' . $this->filename . ' mode "wb"';

    273. 

  273.                     }

    274. 

  274.                     fclose($fp_temp);

    275. 

  275.                 }

    276. 

  276.                 else

    277. 

  277.                 {

    278. 

  278.                     $this->errors[] = 'Could not create tmpfile()';

    279. 

  279.                 }

    280. 

  280.             }

    281. 

  281.             else

    282. 

  282.             {

    283. 

  283.                 $this->errors[] = 'Could not open ' . $this->filename . ' mode "rb"';

    284. 

  284.             }

    285. 

  285.         

    286. 

  286.         }

    287. 

  287.         else

    288. 

  288.         {

    289. 

  289.             

    290. 

  290.             $this->errors[] = 'Directory and file both not writeable';

    291. 

  291.         

    292. 

  292.         }

    293. 

  293.         

    294. 

  294.         if (! empty($this->errors))

    295. 

  295.         {

    296. 

  296.             return false;

    297. 

  297.         }

    298. 

  298.         return true;

    299. 

  299.     }

    300. 

  300. 

    301. 

  301.     function GenerateID3v2TagFlags($flags)

    302. 

  302.     {

    303. 

  303.         switch ($this->majorversion)

    304. 

  304.         {

    305. 

  305.             case 4 :

    306. 

  306.                 // %abcd0000
    307. 

  307.                 $flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
    308. 

  308.                 $flag .= (@$flags['extendedheader'] ? '1' : '0'); // b - Extended header
    309. 

  309.                 $flag .= (@$flags['experimental'] ? '1' : '0'); // c - Experimental indicator
    310. 

  310.                 $flag .= (@$flags['footer'] ? '1' : '0'); // d - Footer present
    311. 

  311.                 $flag .= '0000';

    312. 

  312.                 break;

    313. 

  313.             

    314. 

  314.             case 3 :

    315. 

  315.                 // %abc00000
    316. 

  316.                 $flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
    317. 

  317.                 $flag .= (@$flags['extendedheader'] ? '1' : '0'); // b - Extended header
    318. 

  318.                 $flag .= (@$flags['experimental'] ? '1' : '0'); // c - Experimental indicator
    319. 

  319.                 $flag .= '00000';

    320. 

  320.                 break;

    321. 

  321.             

    322. 

  322.             case 2 :

    323. 

  323.                 // %ab000000
    324. 

  324.                 $flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
    325. 

  325.                 $flag .= (@$flags['compression'] ? '1' : '0'); // b - Compression
    326. 

  326.                 $flag .= '000000';

    327. 

  327.                 break;

    328. 

  328.             

    329. 

  329.             default :

    330. 

  330.                 return false;

    331. 

  331.                 break;

    332. 

  332.         }

    333. 

  333.         return chr(bindec($flag));

    334. 

  334.     }

    335. 

  335. 

    336. 

  336.     function GenerateID3v2FrameFlags($TagAlter = false, $FileAlter = false, $ReadOnly = false, $Compression = false, $Encryption = false, $GroupingIdentity = false, $Unsynchronisation = false, $DataLengthIndicator = false)

    337. 

  337.     {

    338. 

  338.         switch ($this->majorversion)

    339. 

  339.         {

    340. 

  340.             case 4 :

    341. 

  341.                 // %0abc0000 %0h00kmnp
    342. 

  342.                 $flag1 = '0';

    343. 

  343.                 $flag1 .= $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
    344. 

  344.                 $flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
    345. 

  345.                 $flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
    346. 

  346.                 $flag1 .= '0000';

    347. 

  347.                 

    348. 

  348.                 $flag2 = '0';

    349. 

  349.                 $flag2 .= $GroupingIdentity ? '1' : '0'; // h - Grouping identity (true == contains group information)
    350. 

  350.                 $flag2 .= '00';

    351. 

  351.                 $flag2 .= $Compression ? '1' : '0'; // k - Compression (true == compressed)
    352. 

  352.                 $flag2 .= $Encryption ? '1' : '0'; // m - Encryption (true == encrypted)
    353. 

  353.                 $flag2 .= $Unsynchronisation ? '1' : '0'; // n - Unsynchronisation (true == unsynchronised)
    354. 

  354.                 $flag2 .= $DataLengthIndicator ? '1' : '0'; // p - Data length indicator (true == data length indicator added)
    355. 

  355.                 break;

    356. 

  356.             

    357. 

  357.             case 3 :

    358. 

  358.                 // %abc00000 %ijk00000
    359. 

  359.                 $flag1 = $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
    360. 

  360.                 $flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
    361. 

  361.                 $flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
    362. 

  362.                 $flag1 .= '00000';

    363. 

  363.                 

    364. 

  364.                 $flag2 = $Compression ? '1' : '0'; // i - Compression (true == compressed)
    365. 

  365.                 $flag2 .= $Encryption ? '1' : '0'; // j - Encryption (true == encrypted)
    366. 

  366.                 $flag2 .= $GroupingIdentity ? '1' : '0'; // k - Grouping identity (true == contains group information)
    367. 

  367.                 $flag2 .= '00000';

    368. 

  368.                 break;

    369. 

  369.             

    370. 

  370.             default :

    371. 

  371.                 return false;

    372. 

  372.                 break;

    373. 

  373.         

    374. 

  374.         }

    375. 

  375.         return chr(bindec($flag1)) . chr(bindec($flag2));

    376. 

  376.     }

    377. 

  377. 

    378. 

  378.     function GenerateID3v2FrameData($frame_name, $source_data_array)

    379. 

  379.     {

    380. 

  380.         if (! getid3_id3v2 :: IsValidID3v2FrameName($frame_name, $this->majorversion))

    381. 

  381.         {

    382. 

  382.             return false;

    383. 

  383.         }

    384. 

  384.         $framedata = '';

    385. 

  385.         

    386. 

  386.         if (($this->majorversion < 3) || ($this->majorversion > 4))

    387. 

  387.         {

    388. 

  388.             

    389. 

  389.             $this->errors[] = 'Only ID3v2.3 and ID3v2.4 are supported in GenerateID3v2FrameData()';

    390. 

  390.         

    391. 

  391.         }

    392. 

  392.         else

    393. 

  393.         { // $this->majorversion 3 or 4
    394. 

  394.             

    395. 

  395. 

    396. 

  396.             switch ($frame_name)

    397. 

  397.             {

    398. 

  398.                 case 'UFID' :

    399. 

  399.                     // 4.1   UFID Unique file identifier
    400. 

  400.                     // Owner identifier        <text string> $00
    401. 

  401.                     // Identifier              <up to 64 bytes binary data>
    402. 

  402.                     if (strlen($source_data_array['data']) > 64)

    403. 

  403.                     {

    404. 

  404.                         $this->errors[] = 'Identifier not allowed to be longer than 64 bytes in ' . $frame_name . ' (supplied data was ' . strlen($source_data_array['data']) . ' bytes long)';

    405. 

  405.                     }

    406. 

  406.                     else

    407. 

  407.                     {

    408. 

  408.                         $framedata .= str_replace("\x00", '', $source_data_array['ownerid']) . "\x00";

    409. 

  409.                         $framedata .= substr($source_data_array['data'], 0, 64); // max 64 bytes - truncate anything longer
    410. 

  410.                     }

    411. 

  411.                     break;

    412. 

  412.                 

    413. 

  413.                 case 'TXXX' :

    414. 

  414.                     // 4.2.2 TXXX User defined text information frame
    415. 

  415.                     // Text encoding     $xx
    416. 

  416.                     // Description       <text string according to encoding> $00 (00)
    417. 

  417.                     // Value             <text string according to encoding>
    418. 

  418.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    419. 

  419.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion))

    420. 

  420.                     {

    421. 

  421.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    422. 

  422.                     }

    423. 

  423.                     else

    424. 

  424.                     {

    425. 

  425.                         $framedata .= chr($source_data_array['encodingid']);

    426. 

  426.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    427. 

  427.                         $framedata .= $source_data_array['data'];

    428. 

  428.                     }

    429. 

  429.                     break;

    430. 

  430.                 

    431. 

  431.                 case 'WXXX' :

    432. 

  432.                     // 4.3.2 WXXX User defined URL link frame
    433. 

  433.                     // Text encoding     $xx
    434. 

  434.                     // Description       <text string according to encoding> $00 (00)
    435. 

  435.                     // URL               <text string>
    436. 

  436.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    437. 

  437.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion))

    438. 

  438.                     {

    439. 

  439.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    440. 

  440.                     }

    441. 

  441.                     elseif (! isset($source_data_array['data']) || ! $this->IsValidURL($source_data_array['data'], false, false))

    442. 

  442.                     {

    443. 

  443.                         //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
    444. 

  444.                         // probably should be an error, need to rewrite IsValidURL() to handle other encodings
    445. 

  445.                         $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')';

    446. 

  446.                     }

    447. 

  447.                     else

    448. 

  448.                     {

    449. 

  449.                         $framedata .= chr($source_data_array['encodingid']);

    450. 

  450.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    451. 

  451.                         $framedata .= $source_data_array['data'];

    452. 

  452.                     }

    453. 

  453.                     break;

    454. 

  454.                 

    455. 

  455.                 case 'IPLS' :

    456. 

  456.                     // 4.4  IPLS Involved people list (ID3v2.3 only)
    457. 

  457.                     // Text encoding     $xx
    458. 

  458.                     // People list strings    <textstrings>
    459. 

  459.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    460. 

  460.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion))

    461. 

  461.                     {

    462. 

  462.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    463. 

  463.                     }

    464. 

  464.                     else

    465. 

  465.                     {

    466. 

  466.                         $framedata .= chr($source_data_array['encodingid']);

    467. 

  467.                         $framedata .= $source_data_array['data'];

    468. 

  468.                     }

    469. 

  469.                     break;

    470. 

  470.                 

    471. 

  471.                 case 'MCDI' :

    472. 

  472.                     // 4.4   MCDI Music CD identifier
    473. 

  473.                     // CD TOC                <binary data>
    474. 

  474.                     $framedata .= $source_data_array['data'];

    475. 

  475.                     break;

    476. 

  476.                 

    477. 

  477.                 case 'ETCO' :

    478. 

  478.                     // 4.5   ETCO Event timing codes
    479. 

  479.                     // Time stamp format    $xx
    480. 

  480.                     //   Where time stamp format is:
    481. 

  481.                     // $01  (32-bit value) MPEG frames from beginning of file
    482. 

  482.                     // $02  (32-bit value) milliseconds from beginning of file
    483. 

  483.                     //   Followed by a list of key events in the following format:
    484. 

  484.                     // Type of event   $xx
    485. 

  485.                     // Time stamp      $xx (xx ...)
    486. 

  486.                     //   The 'Time stamp' is set to zero if directly at the beginning of the sound
    487. 

  487.                     //   or after the previous event. All events MUST be sorted in chronological order.
    488. 

  488.                     if (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1))

    489. 

  489.                     {

    490. 

  490.                         $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')';

    491. 

  491.                     }

    492. 

  492.                     else

    493. 

  493.                     {

    494. 

  494.                         $framedata .= chr($source_data_array['timestampformat']);

    495. 

  495.                         foreach ($source_data_array as $key => $val)

    496. 

  496.                         {

    497. 

  497.                             if (! $this->ID3v2IsValidETCOevent($val['typeid']))

    498. 

  498.                             {

    499. 

  499.                                 $this->errors[] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')';

    500. 

  500.                             }

    501. 

  501.                             elseif (($key != 'timestampformat') && ($key != 'flags'))

    502. 

  502.                             {

    503. 

  503.                                 if (($val['timestamp'] > 0) && ($previousETCOtimestamp >= $val['timestamp']))

    504. 

  504.                                 {

    505. 

  505.                                     //   The 'Time stamp' is set to zero if directly at the beginning of the sound
    506. 

  506.                                     //   or after the previous event. All events MUST be sorted in chronological order.
    507. 

  507.                                     $this->errors[] = 'Out-of-order timestamp in ' . $frame_name . ' (' . $val['timestamp'] . ') for Event Type (' . $val['typeid'] . ')';

    508. 

  508.                                 }

    509. 

  509.                                 else

    510. 

  510.                                 {

    511. 

  511.                                     $framedata .= chr($val['typeid']);

    512. 

  512.                                     $framedata .= getid3_lib :: BigEndian2String($val['timestamp'], 4, false);

    513. 

  513.                                 }

    514. 

  514.                             }

    515. 

  515.                         }

    516. 

  516.                     }

    517. 

  517.                     break;

    518. 

  518.                 

    519. 

  519.                 case 'MLLT' :

    520. 

  520.                     // 4.6   MLLT MPEG location lookup table
    521. 

  521.                     // MPEG frames between reference  $xx xx
    522. 

  522.                     // Bytes between reference        $xx xx xx
    523. 

  523.                     // Milliseconds between reference $xx xx xx
    524. 

  524.                     // Bits for bytes deviation       $xx
    525. 

  525.                     // Bits for milliseconds dev.     $xx
    526. 

  526.                     //   Then for every reference the following data is included;
    527. 

  527.                     // Deviation in bytes         %xxx....
    528. 

  528.                     // Deviation in milliseconds  %xxx....
    529. 

  529.                     if (($source_data_array['framesbetweenreferences'] > 0) && ($source_data_array['framesbetweenreferences'] <= 65535))

    530. 

  530.                     {

    531. 

  531.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['framesbetweenreferences'], 2, false);

    532. 

  532.                     }

    533. 

  533.                     else

    534. 

  534.                     {

    535. 

  535.                         $this->errors[] = 'Invalid MPEG Frames Between References in ' . $frame_name . ' (' . $source_data_array['framesbetweenreferences'] . ')';

    536. 

  536.                     }

    537. 

  537.                     if (($source_data_array['bytesbetweenreferences'] > 0) && ($source_data_array['bytesbetweenreferences'] <= 16777215))

    538. 

  538.                     {

    539. 

  539.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['bytesbetweenreferences'], 3, false);

    540. 

  540.                     }

    541. 

  541.                     else

    542. 

  542.                     {

    543. 

  543.                         $this->errors[] = 'Invalid bytes Between References in ' . $frame_name . ' (' . $source_data_array['bytesbetweenreferences'] . ')';

    544. 

  544.                     }

    545. 

  545.                     if (($source_data_array['msbetweenreferences'] > 0) && ($source_data_array['msbetweenreferences'] <= 16777215))

    546. 

  546.                     {

    547. 

  547.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['msbetweenreferences'], 3, false);

    548. 

  548.                     }

    549. 

  549.                     else

    550. 

  550.                     {

    551. 

  551.                         $this->errors[] = 'Invalid Milliseconds Between References in ' . $frame_name . ' (' . $source_data_array['msbetweenreferences'] . ')';

    552. 

  552.                     }

    553. 

  553.                     if (! $this->IsWithinBitRange($source_data_array['bitsforbytesdeviation'], 8, false))

    554. 

  554.                     {

    555. 

  555.                         if (($source_data_array['bitsforbytesdeviation'] % 4) == 0)

    556. 

  556.                         {

    557. 

  557.                             $framedata .= chr($source_data_array['bitsforbytesdeviation']);

    558. 

  558.                         }

    559. 

  559.                         else

    560. 

  560.                         {

    561. 

  561.                             $this->errors[] = 'Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ') must be a multiple of 4.';

    562. 

  562.                         }

    563. 

  563.                     }

    564. 

  564.                     else

    565. 

  565.                     {

    566. 

  566.                         $this->errors[] = 'Invalid Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ')';

    567. 

  567.                     }

    568. 

  568.                     if (! $this->IsWithinBitRange($source_data_array['bitsformsdeviation'], 8, false))

    569. 

  569.                     {

    570. 

  570.                         if (($source_data_array['bitsformsdeviation'] % 4) == 0)

    571. 

  571.                         {

    572. 

  572.                             $framedata .= chr($source_data_array['bitsformsdeviation']);

    573. 

  573.                         }

    574. 

  574.                         else

    575. 

  575.                         {

    576. 

  576.                             $this->errors[] = 'Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ') must be a multiple of 4.';

    577. 

  577.                         }

    578. 

  578.                     }

    579. 

  579.                     else

    580. 

  580.                     {

    581. 

  581.                         $this->errors[] = 'Invalid Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array['bitsformsdeviation'] . ')';

    582. 

  582.                     }

    583. 

  583.                     foreach ($source_data_array as $key => $val)

    584. 

  584.                     {

    585. 

  585.                         if (($key != 'framesbetweenreferences') && ($key != 'bytesbetweenreferences') && ($key != 'msbetweenreferences') && ($key != 'bitsforbytesdeviation') && ($key != 'bitsformsdeviation') && ($key != 'flags'))

    586. 

  586.                         {

    587. 

  587.                             $unwrittenbitstream .= str_pad(getid3_lib :: Dec2Bin($val['bytedeviation']), $source_data_array['bitsforbytesdeviation'], '0', STR_PAD_LEFT);

    588. 

  588.                             $unwrittenbitstream .= str_pad(getid3_lib :: Dec2Bin($val['msdeviation']), $source_data_array['bitsformsdeviation'], '0', STR_PAD_LEFT);

    589. 

  589.                         }

    590. 

  590.                     }

    591. 

  591.                     for($i = 0; $i < strlen($unwrittenbitstream); $i += 8)

    592. 

  592.                     {

    593. 

  593.                         $highnibble = bindec(substr($unwrittenbitstream, $i, 4)) << 4;

    594. 

  594.                         $lownibble = bindec(substr($unwrittenbitstream, $i + 4, 4));

    595. 

  595.                         $framedata .= chr($highnibble & $lownibble);

    596. 

  596.                     }

    597. 

  597.                     break;

    598. 

  598.                 

    599. 

  599.                 case 'SYTC' :

    600. 

  600.                     // 4.7   SYTC Synchronised tempo codes
    601. 

  601.                     // Time stamp format   $xx
    602. 

  602.                     // Tempo data          <binary data>
    603. 

  603.                     //   Where time stamp format is:
    604. 

  604.                     // $01  (32-bit value) MPEG frames from beginning of file
    605. 

  605.                     // $02  (32-bit value) milliseconds from beginning of file
    606. 

  606.                     if (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1))

    607. 

  607.                     {

    608. 

  608.                         $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')';

    609. 

  609.                     }

    610. 

  610.                     else

    611. 

  611.                     {

    612. 

  612.                         $framedata .= chr($source_data_array['timestampformat']);

    613. 

  613.                         foreach ($source_data_array as $key => $val)

    614. 

  614.                         {

    615. 

  615.                             if (! $this->ID3v2IsValidETCOevent($val['typeid']))

    616. 

  616.                             {

    617. 

  617.                                 $this->errors[] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')';

    618. 

  618.                             }

    619. 

  619.                             elseif (($key != 'timestampformat') && ($key != 'flags'))

    620. 

  620.                             {

    621. 

  621.                                 if (($val['tempo'] < 0) || ($val['tempo'] > 510))

    622. 

  622.                                 {

    623. 

  623.                                     $this->errors[] = 'Invalid Tempo (max = 510) in ' . $frame_name . ' (' . $val['tempo'] . ') at timestamp (' . $val['timestamp'] . ')';

    624. 

  624.                                 }

    625. 

  625.                                 else

    626. 

  626.                                 {

    627. 

  627.                                     if ($val['tempo'] > 255)

    628. 

  628.                                     {

    629. 

  629.                                         $framedata .= chr(255);

    630. 

  630.                                         $val['tempo'] -= 255;

    631. 

  631.                                     }

    632. 

  632.                                     $framedata .= chr($val['tempo']);

    633. 

  633.                                     $framedata .= getid3_lib :: BigEndian2String($val['timestamp'], 4, false);

    634. 

  634.                                 }

    635. 

  635.                             }

    636. 

  636.                         }

    637. 

  637.                     }

    638. 

  638.                     break;

    639. 

  639.                 

    640. 

  640.                 case 'USLT' :

    641. 

  641.                     // 4.8   USLT Unsynchronised lyric/text transcription
    642. 

  642.                     // Text encoding        $xx
    643. 

  643.                     // Language             $xx xx xx
    644. 

  644.                     // Content descriptor   <text string according to encoding> $00 (00)
    645. 

  645.                     // Lyrics/text          <full text string according to encoding>
    646. 

  646.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    647. 

  647.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    648. 

  648.                     {

    649. 

  649.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    650. 

  650.                     }

    651. 

  651.                     elseif (getid3_id3v2 :: LanguageLookup($source_data_array['language'], true) == '')

    652. 

  652.                     {

    653. 

  653.                         $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')';

    654. 

  654.                     }

    655. 

  655.                     else

    656. 

  656.                     {

    657. 

  657.                         $framedata .= chr($source_data_array['encodingid']);

    658. 

  658.                         $framedata .= strtolower($source_data_array['language']);

    659. 

  659.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    660. 

  660.                         $framedata .= $source_data_array['data'];

    661. 

  661.                     }

    662. 

  662.                     break;

    663. 

  663.                 

    664. 

  664.                 case 'SYLT' :

    665. 

  665.                     // 4.9   SYLT Synchronised lyric/text
    666. 

  666.                     // Text encoding        $xx
    667. 

  667.                     // Language             $xx xx xx
    668. 

  668.                     // Time stamp format    $xx
    669. 

  669.                     //   $01  (32-bit value) MPEG frames from beginning of file
    670. 

  670.                     //   $02  (32-bit value) milliseconds from beginning of file
    671. 

  671.                     // Content type         $xx
    672. 

  672.                     // Content descriptor   <text string according to encoding> $00 (00)
    673. 

  673.                     //   Terminated text to be synced (typically a syllable)
    674. 

  674.                     //   Sync identifier (terminator to above string)   $00 (00)
    675. 

  675.                     //   Time stamp                                     $xx (xx ...)
    676. 

  676.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    677. 

  677.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    678. 

  678.                     {

    679. 

  679.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    680. 

  680.                     }

    681. 

  681.                     elseif (getid3_id3v2 :: LanguageLookup($source_data_array['language'], true) == '')

    682. 

  682.                     {

    683. 

  683.                         $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')';

    684. 

  684.                     }

    685. 

  685.                     elseif (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1))

    686. 

  686.                     {

    687. 

  687.                         $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')';

    688. 

  688.                     }

    689. 

  689.                     elseif (! $this->ID3v2IsValidSYLTtype($source_data_array['contenttypeid']))

    690. 

  690.                     {

    691. 

  691.                         $this->errors[] = 'Invalid Content Type byte in ' . $frame_name . ' (' . $source_data_array['contenttypeid'] . ')';

    692. 

  692.                     }

    693. 

  693.                     elseif (! is_array($source_data_array['data']))

    694. 

  694.                     {

    695. 

  695.                         $this->errors[] = 'Invalid Lyric/Timestamp data in ' . $frame_name . ' (must be an array)';

    696. 

  696.                     }

    697. 

  697.                     else

    698. 

  698.                     {

    699. 

  699.                         $framedata .= chr($source_data_array['encodingid']);

    700. 

  700.                         $framedata .= strtolower($source_data_array['language']);

    701. 

  701.                         $framedata .= chr($source_data_array['timestampformat']);

    702. 

  702.                         $framedata .= chr($source_data_array['contenttypeid']);

    703. 

  703.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    704. 

  704.                         ksort($source_data_array['data']);

    705. 

  705.                         foreach ($source_data_array['data'] as $key => $val)

    706. 

  706.                         {

    707. 

  707.                             $framedata .= $val['data'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    708. 

  708.                             $framedata .= getid3_lib :: BigEndian2String($val['timestamp'], 4, false);

    709. 

  709.                         }

    710. 

  710.                     }

    711. 

  711.                     break;

    712. 

  712.                 

    713. 

  713.                 case 'COMM' :

    714. 

  714.                     // 4.10  COMM Comments
    715. 

  715.                     // Text encoding          $xx
    716. 

  716.                     // Language               $xx xx xx
    717. 

  717.                     // Short content descrip. <text string according to encoding> $00 (00)
    718. 

  718.                     // The actual text        <full text string according to encoding>
    719. 

  719.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    720. 

  720.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    721. 

  721.                     {

    722. 

  722.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    723. 

  723.                     }

    724. 

  724.                     elseif (getid3_id3v2 :: LanguageLookup($source_data_array['language'], true) == '')

    725. 

  725.                     {

    726. 

  726.                         $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')';

    727. 

  727.                     }

    728. 

  728.                     else

    729. 

  729.                     {

    730. 

  730.                         $framedata .= chr($source_data_array['encodingid']);

    731. 

  731.                         $framedata .= strtolower($source_data_array['language']);

    732. 

  732.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    733. 

  733.                         $framedata .= $source_data_array['data'];

    734. 

  734.                     }

    735. 

  735.                     break;

    736. 

  736.                 

    737. 

  737.                 case 'RVA2' :

    738. 

  738.                     // 4.11  RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
    739. 

  739.                     // Identification          <text string> $00
    740. 

  740.                     //   The 'identification' string is used to identify the situation and/or
    741. 

  741.                     //   device where this adjustment should apply. The following is then
    742. 

  742.                     //   repeated for every channel:
    743. 

  743.                     // Type of channel         $xx
    744. 

  744.                     // Volume adjustment       $xx xx
    745. 

  745.                     // Bits representing peak  $xx
    746. 

  746.                     // Peak volume             $xx (xx ...)
    747. 

  747.                     $framedata .= str_replace("\x00", '', $source_data_array['description']) . "\x00";

    748. 

  748.                     foreach ($source_data_array as $key => $val)

    749. 

  749.                     {

    750. 

  750.                         if ($key != 'description')

    751. 

  751.                         {

    752. 

  752.                             $framedata .= chr($val['channeltypeid']);

    753. 

  753.                             $framedata .= getid3_lib :: BigEndian2String($val['volumeadjust'], 2, false, true); // signed 16-bit
    754. 

  754.                             if (! $this->IsWithinBitRange($source_data_array['bitspeakvolume'], 8, false))

    755. 

  755.                             {

    756. 

  756.                                 $framedata .= chr($val['bitspeakvolume']);

    757. 

  757.                                 if ($val['bitspeakvolume'] > 0)

    758. 

  758.                                 {

    759. 

  759.                                     $framedata .= getid3_lib :: BigEndian2String($val['peakvolume'], ceil($val['bitspeakvolume'] / 8), false, false);

    760. 

  760.                                 }

    761. 

  761.                             }

    762. 

  762.                             else

    763. 

  763.                             {

    764. 

  764.                                 $this->errors[] = 'Invalid Bits Representing Peak Volume in ' . $frame_name . ' (' . $val['bitspeakvolume'] . ') (range = 0 to 255)';

    765. 

  765.                             }

    766. 

  766.                         }

    767. 

  767.                     }

    768. 

  768.                     break;

    769. 

  769.                 

    770. 

  770.                 case 'RVAD' :

    771. 

  771.                     // 4.12  RVAD Relative volume adjustment (ID3v2.3 only)
    772. 

  772.                     // Increment/decrement     %00fedcba
    773. 

  773.                     // Bits used for volume descr.        $xx
    774. 

  774.                     // Relative volume change, right      $xx xx (xx ...) // a
    775. 

  775.                     // Relative volume change, left       $xx xx (xx ...) // b
    776. 

  776.                     // Peak volume right                  $xx xx (xx ...)
    777. 

  777.                     // Peak volume left                   $xx xx (xx ...)
    778. 

  778.                     // Relative volume change, right back $xx xx (xx ...) // c
    779. 

  779.                     // Relative volume change, left back  $xx xx (xx ...) // d
    780. 

  780.                     // Peak volume right back             $xx xx (xx ...)
    781. 

  781.                     // Peak volume left back              $xx xx (xx ...)
    782. 

  782.                     // Relative volume change, center     $xx xx (xx ...) // e
    783. 

  783.                     // Peak volume center                 $xx xx (xx ...)
    784. 

  784.                     // Relative volume change, bass       $xx xx (xx ...) // f
    785. 

  785.                     // Peak volume bass                   $xx xx (xx ...)
    786. 

  786.                     if (! $this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false))

    787. 

  787.                     {

    788. 

  788.                         $this->errors[] = 'Invalid Bits For Volume Description byte in ' . $frame_name . ' (' . $source_data_array['bitsvolume'] . ') (range = 1 to 255)';

    789. 

  789.                     }

    790. 

  790.                     else

    791. 

  791.                     {

    792. 

  792.                         $incdecflag .= '00';

    793. 

  793.                         $incdecflag .= $source_data_array['incdec']['right'] ? '1' : '0'; // a - Relative volume change, right
    794. 

  794.                         $incdecflag .= $source_data_array['incdec']['left'] ? '1' : '0'; // b - Relative volume change, left
    795. 

  795.                         $incdecflag .= $source_data_array['incdec']['rightrear'] ? '1' : '0'; // c - Relative volume change, right back
    796. 

  796.                         $incdecflag .= $source_data_array['incdec']['leftrear'] ? '1' : '0'; // d - Relative volume change, left back
    797. 

  797.                         $incdecflag .= $source_data_array['incdec']['center'] ? '1' : '0'; // e - Relative volume change, center
    798. 

  798.                         $incdecflag .= $source_data_array['incdec']['bass'] ? '1' : '0'; // f - Relative volume change, bass
    799. 

  799.                         $framedata .= chr(bindec($incdecflag));

    800. 

  800.                         $framedata .= chr($source_data_array['bitsvolume']);

    801. 

  801.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['right'], ceil($source_data_array['bitsvolume'] / 8), false);

    802. 

  802.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['left'], ceil($source_data_array['bitsvolume'] / 8), false);

    803. 

  803.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['right'], ceil($source_data_array['bitsvolume'] / 8), false);

    804. 

  804.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['left'], ceil($source_data_array['bitsvolume'] / 8), false);

    805. 

  805.                         if ($source_data_array['volumechange']['rightrear'] || $source_data_array['volumechange']['leftrear'] || $source_data_array['peakvolume']['rightrear'] || $source_data_array['peakvolume']['leftrear'] || $source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] || $source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass'])

    806. 

  806.                         {

    807. 

  807.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false);

    808. 

  808.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['leftrear'], ceil($source_data_array['bitsvolume'] / 8), false);

    809. 

  809.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false);

    810. 

  810.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['leftrear'], ceil($source_data_array['bitsvolume'] / 8), false);

    811. 

  811.                         }

    812. 

  812.                         if ($source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] || $source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass'])

    813. 

  813.                         {

    814. 

  814.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['center'], ceil($source_data_array['bitsvolume'] / 8), false);

    815. 

  815.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['center'], ceil($source_data_array['bitsvolume'] / 8), false);

    816. 

  816.                         }

    817. 

  817.                         if ($source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass'])

    818. 

  818.                         {

    819. 

  819.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['volumechange']['bass'], ceil($source_data_array['bitsvolume'] / 8), false);

    820. 

  820.                             $framedata .= getid3_lib :: BigEndian2String($source_data_array['peakvolume']['bass'], ceil($source_data_array['bitsvolume'] / 8), false);

    821. 

  821.                         }

    822. 

  822.                     }

    823. 

  823.                     break;

    824. 

  824.                 

    825. 

  825.                 case 'EQU2' :

    826. 

  826.                     // 4.12  EQU2 Equalisation (2) (ID3v2.4+ only)
    827. 

  827.                     // Interpolation method  $xx
    828. 

  828.                     //   $00  Band
    829. 

  829.                     //   $01  Linear
    830. 

  830.                     // Identification        <text string> $00
    831. 

  831.                     //   The following is then repeated for every adjustment point
    832. 

  832.                     // Frequency          $xx xx
    833. 

  833.                     // Volume adjustment  $xx xx
    834. 

  834.                     if (($source_data_array['interpolationmethod'] < 0) || ($source_data_array['interpolationmethod'] > 1))

    835. 

  835.                     {

    836. 

  836.                         $this->errors[] = 'Invalid Interpolation Method byte in ' . $frame_name . ' (' . $source_data_array['interpolationmethod'] . ') (valid = 0 or 1)';

    837. 

  837.                     }

    838. 

  838.                     else

    839. 

  839.                     {

    840. 

  840.                         $framedata .= chr($source_data_array['interpolationmethod']);

    841. 

  841.                         $framedata .= str_replace("\x00", '', $source_data_array['description']) . "\x00";

    842. 

  842.                         foreach ($source_data_array['data'] as $key => $val)

    843. 

  843.                         {

    844. 

  844.                             $framedata .= getid3_lib :: BigEndian2String(intval(round($key * 2)), 2, false);

    845. 

  845.                             $framedata .= getid3_lib :: BigEndian2String($val, 2, false, true); // signed 16-bit
    846. 

  846.                         }

    847. 

  847.                     }

    848. 

  848.                     break;

    849. 

  849.                 

    850. 

  850.                 case 'EQUA' :

    851. 

  851.                     // 4.12  EQUA Equalisation (ID3v2.3 only)
    852. 

  852.                     // Adjustment bits    $xx
    853. 

  853.                     //   This is followed by 2 bytes + ('adjustment bits' rounded up to the
    854. 

  854.                     //   nearest byte) for every equalisation band in the following format,
    855. 

  855.                     //   giving a frequency range of 0 - 32767Hz:
    856. 

  856.                     // Increment/decrement   %x (MSB of the Frequency)
    857. 

  857.                     // Frequency             (lower 15 bits)
    858. 

  858.                     // Adjustment            $xx (xx ...)
    859. 

  859.                     if (! $this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false))

    860. 

  860.                     {

    861. 

  861.                         $this->errors[] = 'Invalid Adjustment Bits byte in ' . $frame_name . ' (' . $source_data_array['bitsvolume'] . ') (range = 1 to 255)';

    862. 

  862.                     }

    863. 

  863.                     else

    864. 

  864.                     {

    865. 

  865.                         $framedata .= chr($source_data_array['adjustmentbits']);

    866. 

  866.                         foreach ($source_data_array as $key => $val)

    867. 

  867.                         {

    868. 

  868.                             if ($key != 'bitsvolume')

    869. 

  869.                             {

    870. 

  870.                                 if (($key > 32767) || ($key < 0))

    871. 

  871.                                 {

    872. 

  872.                                     $this->errors[] = 'Invalid Frequency in ' . $frame_name . ' (' . $key . ') (range = 0 to 32767)';

    873. 

  873.                                 }

    874. 

  874.                                 else

    875. 

  875.                                 {

    876. 

  876.                                     if ($val >= 0)

    877. 

  877.                                     {

    878. 

  878.                                         // put MSB of frequency to 1 if increment, 0 if decrement
    879. 

  879.                                         $key |= 0x8000;

    880. 

  880.                                     }

    881. 

  881.                                     $framedata .= getid3_lib :: BigEndian2String($key, 2, false);

    882. 

  882.                                     $framedata .= getid3_lib :: BigEndian2String($val, ceil($source_data_array['adjustmentbits'] / 8), false);

    883. 

  883.                                 }

    884. 

  884.                             }

    885. 

  885.                         }

    886. 

  886.                     }

    887. 

  887.                     break;

    888. 

  888.                 

    889. 

  889.                 case 'RVRB' :

    890. 

  890.                     // 4.13  RVRB Reverb
    891. 

  891.                     // Reverb left (ms)                 $xx xx
    892. 

  892.                     // Reverb right (ms)                $xx xx
    893. 

  893.                     // Reverb bounces, left             $xx
    894. 

  894.                     // Reverb bounces, right            $xx
    895. 

  895.                     // Reverb feedback, left to left    $xx
    896. 

  896.                     // Reverb feedback, left to right   $xx
    897. 

  897.                     // Reverb feedback, right to right  $xx
    898. 

  898.                     // Reverb feedback, right to left   $xx
    899. 

  899.                     // Premix left to right             $xx
    900. 

  900.                     // Premix right to left             $xx
    901. 

  901.                     if (! $this->IsWithinBitRange($source_data_array['left'], 16, false))

    902. 

  902.                     {

    903. 

  903.                         $this->errors[] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array['left'] . ') (range = 0 to 65535)';

    904. 

  904.                     }

    905. 

  905.                     elseif (! $this->IsWithinBitRange($source_data_array['right'], 16, false))

    906. 

  906.                     {

    907. 

  907.                         $this->errors[] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array['right'] . ') (range = 0 to 65535)';

    908. 

  908.                     }

    909. 

  909.                     elseif (! $this->IsWithinBitRange($source_data_array['bouncesL'], 8, false))

    910. 

  910.                     {

    911. 

  911.                         $this->errors[] = 'Invalid Reverb Bounces, Left in ' . $frame_name . ' (' . $source_data_array['bouncesL'] . ') (range = 0 to 255)';

    912. 

  912.                     }

    913. 

  913.                     elseif (! $this->IsWithinBitRange($source_data_array['bouncesR'], 8, false))

    914. 

  914.                     {

    915. 

  915.                         $this->errors[] = 'Invalid Reverb Bounces, Right in ' . $frame_name . ' (' . $source_data_array['bouncesR'] . ') (range = 0 to 255)';

    916. 

  916.                     }

    917. 

  917.                     elseif (! $this->IsWithinBitRange($source_data_array['feedbackLL'], 8, false))

    918. 

  918.                     {

    919. 

  919.                         $this->errors[] = 'Invalid Reverb Feedback, Left-To-Left in ' . $frame_name . ' (' . $source_data_array['feedbackLL'] . ') (range = 0 to 255)';

    920. 

  920.                     }

    921. 

  921.                     elseif (! $this->IsWithinBitRange($source_data_array['feedbackLR'], 8, false))

    922. 

  922.                     {

    923. 

  923.                         $this->errors[] = 'Invalid Reverb Feedback, Left-To-Right in ' . $frame_name . ' (' . $source_data_array['feedbackLR'] . ') (range = 0 to 255)';

    924. 

  924.                     }

    925. 

  925.                     elseif (! $this->IsWithinBitRange($source_data_array['feedbackRR'], 8, false))

    926. 

  926.                     {

    927. 

  927.                         $this->errors[] = 'Invalid Reverb Feedback, Right-To-Right in ' . $frame_name . ' (' . $source_data_array['feedbackRR'] . ') (range = 0 to 255)';

    928. 

  928.                     }

    929. 

  929.                     elseif (! $this->IsWithinBitRange($source_data_array['feedbackRL'], 8, false))

    930. 

  930.                     {

    931. 

  931.                         $this->errors[] = 'Invalid Reverb Feedback, Right-To-Left in ' . $frame_name . ' (' . $source_data_array['feedbackRL'] . ') (range = 0 to 255)';

    932. 

  932.                     }

    933. 

  933.                     elseif (! $this->IsWithinBitRange($source_data_array['premixLR'], 8, false))

    934. 

  934.                     {

    935. 

  935.                         $this->errors[] = 'Invalid Premix, Left-To-Right in ' . $frame_name . ' (' . $source_data_array['premixLR'] . ') (range = 0 to 255)';

    936. 

  936.                     }

    937. 

  937.                     elseif (! $this->IsWithinBitRange($source_data_array['premixRL'], 8, false))

    938. 

  938.                     {

    939. 

  939.                         $this->errors[] = 'Invalid Premix, Right-To-Left in ' . $frame_name . ' (' . $source_data_array['premixRL'] . ') (range = 0 to 255)';

    940. 

  940.                     }

    941. 

  941.                     else

    942. 

  942.                     {

    943. 

  943.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['left'], 2, false);

    944. 

  944.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['right'], 2, false);

    945. 

  945.                         $framedata .= chr($source_data_array['bouncesL']);

    946. 

  946.                         $framedata .= chr($source_data_array['bouncesR']);

    947. 

  947.                         $framedata .= chr($source_data_array['feedbackLL']);

    948. 

  948.                         $framedata .= chr($source_data_array['feedbackLR']);

    949. 

  949.                         $framedata .= chr($source_data_array['feedbackRR']);

    950. 

  950.                         $framedata .= chr($source_data_array['feedbackRL']);

    951. 

  951.                         $framedata .= chr($source_data_array['premixLR']);

    952. 

  952.                         $framedata .= chr($source_data_array['premixRL']);

    953. 

  953.                     }

    954. 

  954.                     break;

    955. 

  955.                 

    956. 

  956.                 case 'APIC' :

    957. 

  957.                     // 4.14  APIC Attached picture
    958. 

  958.                     // Text encoding      $xx
    959. 

  959.                     // MIME type          <text string> $00
    960. 

  960.                     // Picture type       $xx
    961. 

  961.                     // Description        <text string according to encoding> $00 (00)
    962. 

  962.                     // Picture data       <binary data>
    963. 

  963.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    964. 

  964.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    965. 

  965.                     {

    966. 

  966.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    967. 

  967.                     }

    968. 

  968.                     elseif (! $this->ID3v2IsValidAPICpicturetype($source_data_array['picturetypeid']))

    969. 

  969.                     {

    970. 

  970.                         $this->errors[] = 'Invalid Picture Type byte in ' . $frame_name . ' (' . $source_data_array['picturetypeid'] . ') for ID3v2.' . $this->majorversion;

    971. 

  971.                     }

    972. 

  972.                     elseif (($this->majorversion >= 3) && (! $this->ID3v2IsValidAPICimageformat($source_data_array['mime'])))

    973. 

  973.                     {

    974. 

  974.                         $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ') for ID3v2.' . $this->majorversion;

    975. 

  975.                     }

    976. 

  976.                     elseif (($source_data_array['mime'] == '-->') && (! $this->IsValidURL($source_data_array['data'], false, false)))

    977. 

  977.                     {

    978. 

  978.                         //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
    979. 

  979.                         // probably should be an error, need to rewrite IsValidURL() to handle other encodings
    980. 

  980.                         $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')';

    981. 

  981.                     }

    982. 

  982.                     else

    983. 

  983.                     {

    984. 

  984.                         $framedata .= chr($source_data_array['encodingid']);

    985. 

  985.                         $framedata .= str_replace("\x00", '', $source_data_array['mime']) . "\x00";

    986. 

  986.                         $framedata .= chr($source_data_array['picturetypeid']);

    987. 

  987.                         $framedata .= @$source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    988. 

  988.                         $framedata .= $source_data_array['data'];

    989. 

  989.                     }

    990. 

  990.                     break;

    991. 

  991.                 

    992. 

  992.                 case 'GEOB' :

    993. 

  993.                     // 4.15  GEOB General encapsulated object
    994. 

  994.                     // Text encoding          $xx
    995. 

  995.                     // MIME type              <text string> $00
    996. 

  996.                     // Filename               <text string according to encoding> $00 (00)
    997. 

  997.                     // Content description    <text string according to encoding> $00 (00)
    998. 

  998.                     // Encapsulated object    <binary data>
    999. 

  999.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    1000. 

  1000.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    1001. 

  1001.                     {

    1002. 

  1002.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    1003. 

  1003.                     }

    1004. 

  1004.                     elseif (! $this->IsValidMIMEstring($source_data_array['mime']))

    1005. 

  1005.                     {

    1006. 

  1006.                         $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ')';

    1007. 

  1007.                     }

    1008. 

  1008.                     elseif (! $source_data_array['description'])

    1009. 

  1009.                     {

    1010. 

  1010.                         $this->errors[] = 'Missing Description in ' . $frame_name;

    1011. 

  1011.                     }

    1012. 

  1012.                     else

    1013. 

  1013.                     {

    1014. 

  1014.                         $framedata .= chr($source_data_array['encodingid']);

    1015. 

  1015.                         $framedata .= str_replace("\x00", '', $source_data_array['mime']) . "\x00";

    1016. 

  1016.                         $framedata .= $source_data_array['filename'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    1017. 

  1017.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    1018. 

  1018.                         $framedata .= $source_data_array['data'];

    1019. 

  1019.                     }

    1020. 

  1020.                     break;

    1021. 

  1021.                 

    1022. 

  1022.                 case 'PCNT' :

    1023. 

  1023.                     // 4.16  PCNT Play counter
    1024. 

  1024.                     //   When the counter reaches all one's, one byte is inserted in
    1025. 

  1025.                     //   front of the counter thus making the counter eight bits bigger
    1026. 

  1026.                     // Counter        $xx xx xx xx (xx ...)
    1027. 

  1027.                     $framedata .= getid3_lib :: BigEndian2String($source_data_array['data'], 4, false);

    1028. 

  1028.                     break;

    1029. 

  1029.                 

    1030. 

  1030.                 case 'POPM' :

    1031. 

  1031.                     // 4.17  POPM Popularimeter
    1032. 

  1032.                     //   When the counter reaches all one's, one byte is inserted in
    1033. 

  1033.                     //   front of the counter thus making the counter eight bits bigger
    1034. 

  1034.                     // Email to user   <text string> $00
    1035. 

  1035.                     // Rating          $xx
    1036. 

  1036.                     // Counter         $xx xx xx xx (xx ...)
    1037. 

  1037.                     if (! $this->IsWithinBitRange($source_data_array['rating'], 8, false))

    1038. 

  1038.                     {

    1039. 

  1039.                         $this->errors[] = 'Invalid Rating byte in ' . $frame_name . ' (' . $source_data_array['rating'] . ') (range = 0 to 255)';

    1040. 

  1040.                     }

    1041. 

  1041.                     elseif (! IsValidEmail($source_data_array['email']))

    1042. 

  1042.                     {

    1043. 

  1043.                         $this->errors[] = 'Invalid Email in ' . $frame_name . ' (' . $source_data_array['email'] . ')';

    1044. 

  1044.                     }

    1045. 

  1045.                     else

    1046. 

  1046.                     {

    1047. 

  1047.                         $framedata .= str_replace("\x00", '', $source_data_array['email']) . "\x00";

    1048. 

  1048.                         $framedata .= chr($source_data_array['rating']);

    1049. 

  1049.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['data'], 4, false);

    1050. 

  1050.                     }

    1051. 

  1051.                     break;

    1052. 

  1052.                 

    1053. 

  1053.                 case 'RBUF' :

    1054. 

  1054.                     // 4.18  RBUF Recommended buffer size
    1055. 

  1055.                     // Buffer size               $xx xx xx
    1056. 

  1056.                     // Embedded info flag        %0000000x
    1057. 

  1057.                     // Offset to next tag        $xx xx xx xx
    1058. 

  1058.                     if (! $this->IsWithinBitRange($source_data_array['buffersize'], 24, false))

    1059. 

  1059.                     {

    1060. 

  1060.                         $this->errors[] = 'Invalid Buffer Size in ' . $frame_name;

    1061. 

  1061.                     }

    1062. 

  1062.                     elseif (! $this->IsWithinBitRange($source_data_array['nexttagoffset'], 32, false))

    1063. 

  1063.                     {

    1064. 

  1064.                         $this->errors[] = 'Invalid Offset To Next Tag in ' . $frame_name;

    1065. 

  1065.                     }

    1066. 

  1066.                     else

    1067. 

  1067.                     {

    1068. 

  1068.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['buffersize'], 3, false);

    1069. 

  1069.                         $flag .= '0000000';

    1070. 

  1070.                         $flag .= $source_data_array['flags']['embededinfo'] ? '1' : '0';

    1071. 

  1071.                         $framedata .= chr(bindec($flag));

    1072. 

  1072.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['nexttagoffset'], 4, false);

    1073. 

  1073.                     }

    1074. 

  1074.                     break;

    1075. 

  1075.                 

    1076. 

  1076.                 case 'AENC' :

    1077. 

  1077.                     // 4.19  AENC Audio encryption
    1078. 

  1078.                     // Owner identifier   <text string> $00
    1079. 

  1079.                     // Preview start      $xx xx
    1080. 

  1080.                     // Preview length     $xx xx
    1081. 

  1081.                     // Encryption info    <binary data>
    1082. 

  1082.                     if (! $this->IsWithinBitRange($source_data_array['previewstart'], 16, false))

    1083. 

  1083.                     {

    1084. 

  1084.                         $this->errors[] = 'Invalid Preview Start in ' . $frame_name . ' (' . $source_data_array['previewstart'] . ')';

    1085. 

  1085.                     }

    1086. 

  1086.                     elseif (! $this->IsWithinBitRange($source_data_array['previewlength'], 16, false))

    1087. 

  1087.                     {

    1088. 

  1088.                         $this->errors[] = 'Invalid Preview Length in ' . $frame_name . ' (' . $source_data_array['previewlength'] . ')';

    1089. 

  1089.                     }

    1090. 

  1090.                     else

    1091. 

  1091.                     {

    1092. 

  1092.                         $framedata .= str_replace("\x00", '', $source_data_array['ownerid']) . "\x00";

    1093. 

  1093.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['previewstart'], 2, false);

    1094. 

  1094.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['previewlength'], 2, false);

    1095. 

  1095.                         $framedata .= $source_data_array['encryptioninfo'];

    1096. 

  1096.                     }

    1097. 

  1097.                     break;

    1098. 

  1098.                 

    1099. 

  1099.                 case 'LINK' :

    1100. 

  1100.                     // 4.20  LINK Linked information
    1101. 

  1101.                     // Frame identifier               $xx xx xx xx
    1102. 

  1102.                     // URL                            <text string> $00
    1103. 

  1103.                     // ID and additional data         <text string(s)>
    1104. 

  1104.                     if (! getid3_id3v2 :: IsValidID3v2FrameName($source_data_array['frameid'], $this->majorversion))

    1105. 

  1105.                     {

    1106. 

  1106.                         $this->errors[] = 'Invalid Frame Identifier in ' . $frame_name . ' (' . $source_data_array['frameid'] . ')';

    1107. 

  1107.                     }

    1108. 

  1108.                     elseif (! $this->IsValidURL($source_data_array['data'], true, false))

    1109. 

  1109.                     {

    1110. 

  1110.                         //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
    1111. 

  1111.                         // probably should be an error, need to rewrite IsValidURL() to handle other encodings
    1112. 

  1112.                         $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')';

    1113. 

  1113.                     }

    1114. 

  1114.                     elseif ((($source_data_array['frameid'] == 'AENC') || ($source_data_array['frameid'] == 'APIC') || ($source_data_array['frameid'] == 'GEOB') || ($source_data_array['frameid'] == 'TXXX')) && ($source_data_array['additionaldata'] == ''))

    1115. 

  1115.                     {

    1116. 

  1116.                         $this->errors[] = 'Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name;

    1117. 

  1117.                     }

    1118. 

  1118.                     elseif (($source_data_array['frameid'] == 'USER') && (getid3_id3v2 :: LanguageLookup($source_data_array['additionaldata'], true) == ''))

    1119. 

  1119.                     {

    1120. 

  1120.                         $this->errors[] = 'Language must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name;

    1121. 

  1121.                     }

    1122. 

  1122.                     elseif (($source_data_array['frameid'] == 'PRIV') && ($source_data_array['additionaldata'] == ''))

    1123. 

  1123.                     {

    1124. 

  1124.                         $this->errors[] = 'Owner Identifier must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name;

    1125. 

  1125.                     }

    1126. 

  1126.                     elseif ((($source_data_array['frameid'] == 'COMM') || ($source_data_array['frameid'] == 'SYLT') || ($source_data_array['frameid'] == 'USLT')) && ((getid3_id3v2 :: LanguageLookup(substr($source_data_array['additionaldata'], 0, 3), true) == '') || (substr($source_data_array['additionaldata'], 3) == '')))

    1127. 

  1127.                     {

    1128. 

  1128.                         $this->errors[] = 'Language followed by Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name;

    1129. 

  1129.                     }

    1130. 

  1130.                     else

    1131. 

  1131.                     {

    1132. 

  1132.                         $framedata .= $source_data_array['frameid'];

    1133. 

  1133.                         $framedata .= str_replace("\x00", '', $source_data_array['data']) . "\x00";

    1134. 

  1134.                         switch ($source_data_array['frameid'])

    1135. 

  1135.                         {

    1136. 

  1136.                             case 'COMM' :

    1137. 

  1137.                             case 'SYLT' :

    1138. 

  1138.                             case 'USLT' :

    1139. 

  1139.                             case 'PRIV' :

    1140. 

  1140.                             case 'USER' :

    1141. 

  1141.                             case 'AENC' :

    1142. 

  1142.                             case 'APIC' :

    1143. 

  1143.                             case 'GEOB' :

    1144. 

  1144.                             case 'TXXX' :

    1145. 

  1145.                                 $framedata .= $source_data_array['additionaldata'];

    1146. 

  1146.                                 break;

    1147. 

  1147.                             case 'ASPI' :

    1148. 

  1148.                             case 'ETCO' :

    1149. 

  1149.                             case 'EQU2' :

    1150. 

  1150.                             case 'MCID' :

    1151. 

  1151.                             case 'MLLT' :

    1152. 

  1152.                             case 'OWNE' :

    1153. 

  1153.                             case 'RVA2' :

    1154. 

  1154.                             case 'RVRB' :

    1155. 

  1155.                             case 'SYTC' :

    1156. 

  1156.                             case 'IPLS' :

    1157. 

  1157.                             case 'RVAD' :

    1158. 

  1158.                             case 'EQUA' :

    1159. 

  1159.                                 // no additional data required
    1160. 

  1160.                                 break;

    1161. 

  1161.                             case 'RBUF' :

    1162. 

  1162.                                 if ($this->majorversion == 3)

    1163. 

  1163.                                 {

    1164. 

  1164.                                     // no additional data required
    1165. 

  1165.                                 }

    1166. 

  1166.                                 else

    1167. 

  1167.                                 {

    1168. 

  1168.                                     $this->errors[] = $source_data_array['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')';

    1169. 

  1169.                                 }

    1170. 

  1170.                             

    1171. 

  1171.                             default :

    1172. 

  1172.                                 if ((substr($source_data_array['frameid'], 0, 1) == 'T') || (substr($source_data_array['frameid'], 0, 1) == 'W'))

    1173. 

  1173.                                 {

    1174. 

  1174.                                     // no additional data required
    1175. 

  1175.                                 }

    1176. 

  1176.                                 else

    1177. 

  1177.                                 {

    1178. 

  1178.                                     $this->errors[] = $source_data_array['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')';

    1179. 

  1179.                                 }

    1180. 

  1180.                                 break;

    1181. 

  1181.                         }

    1182. 

  1182.                     }

    1183. 

  1183.                     break;

    1184. 

  1184.                 

    1185. 

  1185.                 case 'POSS' :

    1186. 

  1186.                     // 4.21  POSS Position synchronisation frame (ID3v2.3+ only)
    1187. 

  1187.                     // Time stamp format         $xx
    1188. 

  1188.                     // Position                  $xx (xx ...)
    1189. 

  1189.                     if (($source_data_array['timestampformat'] < 1) || ($source_data_array['timestampformat'] > 2))

    1190. 

  1190.                     {

    1191. 

  1191.                         $this->errors[] = 'Invalid Time Stamp Format in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ') (valid = 1 or 2)';

    1192. 

  1192.                     }

    1193. 

  1193.                     elseif (! $this->IsWithinBitRange($source_data_array['position'], 32, false))

    1194. 

  1194.                     {

    1195. 

  1195.                         $this->errors[] = 'Invalid Position in ' . $frame_name . ' (' . $source_data_array['position'] . ') (range = 0 to 4294967295)';

    1196. 

  1196.                     }

    1197. 

  1197.                     else

    1198. 

  1198.                     {

    1199. 

  1199.                         $framedata .= chr($source_data_array['timestampformat']);

    1200. 

  1200.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['position'], 4, false);

    1201. 

  1201.                     }

    1202. 

  1202.                     break;

    1203. 

  1203.                 

    1204. 

  1204.                 case 'USER' :

    1205. 

  1205.                     // 4.22  USER Terms of use (ID3v2.3+ only)
    1206. 

  1206.                     // Text encoding        $xx
    1207. 

  1207.                     // Language             $xx xx xx
    1208. 

  1208.                     // The actual text      <text string according to encoding>
    1209. 

  1209.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    1210. 

  1210.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    1211. 

  1211.                     {

    1212. 

  1212.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')';

    1213. 

  1213.                     }

    1214. 

  1214.                     elseif (getid3_id3v2 :: LanguageLookup($source_data_array['language'], true) == '')

    1215. 

  1215.                     {

    1216. 

  1216.                         $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')';

    1217. 

  1217.                     }

    1218. 

  1218.                     else

    1219. 

  1219.                     {

    1220. 

  1220.                         $framedata .= chr($source_data_array['encodingid']);

    1221. 

  1221.                         $framedata .= strtolower($source_data_array['language']);

    1222. 

  1222.                         $framedata .= $source_data_array['data'];

    1223. 

  1223.                     }

    1224. 

  1224.                     break;

    1225. 

  1225.                 

    1226. 

  1226.                 case 'OWNE' :

    1227. 

  1227.                     // 4.23  OWNE Ownership frame (ID3v2.3+ only)
    1228. 

  1228.                     // Text encoding     $xx
    1229. 

  1229.                     // Price paid        <text string> $00
    1230. 

  1230.                     // Date of purch.    <text string>
    1231. 

  1231.                     // Seller            <text string according to encoding>
    1232. 

  1232.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    1233. 

  1233.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    1234. 

  1234.                     {

    1235. 

  1235.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')';

    1236. 

  1236.                     }

    1237. 

  1237.                     elseif (! $this->IsANumber($source_data_array['pricepaid']['value'], false))

    1238. 

  1238.                     {

    1239. 

  1239.                         $this->errors[] = 'Invalid Price Paid in ' . $frame_name . ' (' . $source_data_array['pricepaid']['value'] . ')';

    1240. 

  1240.                     }

    1241. 

  1241.                     elseif (! $this->IsValidDateStampString($source_data_array['purchasedate']))

    1242. 

  1242.                     {

    1243. 

  1243.                         $this->errors[] = 'Invalid Date Of Purchase in ' . $frame_name . ' (' . $source_data_array['purchasedate'] . ') (format = YYYYMMDD)';

    1244. 

  1244.                     }

    1245. 

  1245.                     else

    1246. 

  1246.                     {

    1247. 

  1247.                         $framedata .= chr($source_data_array['encodingid']);

    1248. 

  1248.                         $framedata .= str_replace("\x00", '', $source_data_array['pricepaid']['value']) . "\x00";

    1249. 

  1249.                         $framedata .= $source_data_array['purchasedate'];

    1250. 

  1250.                         $framedata .= $source_data_array['seller'];

    1251. 

  1251.                     }

    1252. 

  1252.                     break;

    1253. 

  1253.                 

    1254. 

  1254.                 case 'COMR' :

    1255. 

  1255.                     // 4.24  COMR Commercial frame (ID3v2.3+ only)
    1256. 

  1256.                     // Text encoding      $xx
    1257. 

  1257.                     // Price string       <text string> $00
    1258. 

  1258.                     // Valid until        <text string>
    1259. 

  1259.                     // Contact URL        <text string> $00
    1260. 

  1260.                     // Received as        $xx
    1261. 

  1261.                     // Name of seller     <text string according to encoding> $00 (00)
    1262. 

  1262.                     // Description        <text string according to encoding> $00 (00)
    1263. 

  1263.                     // Picture MIME type  <string> $00
    1264. 

  1264.                     // Seller logo        <binary data>
    1265. 

  1265.                     $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    1266. 

  1266.                     if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    1267. 

  1267.                     {

    1268. 

  1268.                         $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')';

    1269. 

  1269.                     }

    1270. 

  1270.                     elseif (! $this->IsValidDateStampString($source_data_array['pricevaliduntil']))

    1271. 

  1271.                     {

    1272. 

  1272.                         $this->errors[] = 'Invalid Valid Until date in ' . $frame_name . ' (' . $source_data_array['pricevaliduntil'] . ') (format = YYYYMMDD)';

    1273. 

  1273.                     }

    1274. 

  1274.                     elseif (! $this->IsValidURL($source_data_array['contacturl'], false, true))

    1275. 

  1275.                     {

    1276. 

  1276.                         $this->errors[] = 'Invalid Contact URL in ' . $frame_name . ' (' . $source_data_array['contacturl'] . ') (allowed schemes: http, https, ftp, mailto)';

    1277. 

  1277.                     }

    1278. 

  1278.                     elseif (! $this->ID3v2IsValidCOMRreceivedAs($source_data_array['receivedasid']))

    1279. 

  1279.                     {

    1280. 

  1280.                         $this->errors[] = 'Invalid Received As byte in ' . $frame_name . ' (' . $source_data_array['contacturl'] . ') (range = 0 to 8)';

    1281. 

  1281.                     }

    1282. 

  1282.                     elseif (! $this->IsValidMIMEstring($source_data_array['mime']))

    1283. 

  1283.                     {

    1284. 

  1284.                         $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ')';

    1285. 

  1285.                     }

    1286. 

  1286.                     else

    1287. 

  1287.                     {

    1288. 

  1288.                         $framedata .= chr($source_data_array['encodingid']);

    1289. 

  1289.                         unset($pricestring);

    1290. 

  1290.                         foreach ($source_data_array['price'] as $key => $val)

    1291. 

  1291.                         {

    1292. 

  1292.                             if ($this->ID3v2IsValidPriceString($key . $val['value']))

    1293. 

  1293.                             {

    1294. 

  1294.                                 $pricestrings[] = $key . $val['value'];

    1295. 

  1295.                             }

    1296. 

  1296.                             else

    1297. 

  1297.                             {

    1298. 

  1298.                                 $this->errors[] = 'Invalid Price String in ' . $frame_name . ' (' . $key . $val['value'] . ')';

    1299. 

  1299.                             }

    1300. 

  1300.                         }

    1301. 

  1301.                         $framedata .= implode('/', $pricestrings);

    1302. 

  1302.                         $framedata .= $source_data_array['pricevaliduntil'];

    1303. 

  1303.                         $framedata .= str_replace("\x00", '', $source_data_array['contacturl']) . "\x00";

    1304. 

  1304.                         $framedata .= chr($source_data_array['receivedasid']);

    1305. 

  1305.                         $framedata .= $source_data_array['sellername'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    1306. 

  1306.                         $framedata .= $source_data_array['description'] . getid3_id3v2 :: TextEncodingTerminatorLookup($source_data_array['encodingid']);

    1307. 

  1307.                         $framedata .= $source_data_array['mime'] . "\x00";

    1308. 

  1308.                         $framedata .= $source_data_array['logo'];

    1309. 

  1309.                     }

    1310. 

  1310.                     break;

    1311. 

  1311.                 

    1312. 

  1312.                 case 'ENCR' :

    1313. 

  1313.                     // 4.25  ENCR Encryption method registration (ID3v2.3+ only)
    1314. 

  1314.                     // Owner identifier    <text string> $00
    1315. 

  1315.                     // Method symbol       $xx
    1316. 

  1316.                     // Encryption data     <binary data>
    1317. 

  1317.                     if (! $this->IsWithinBitRange($source_data_array['methodsymbol'], 8, false))

    1318. 

  1318.                     {

    1319. 

  1319.                         $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['methodsymbol'] . ') (range = 0 to 255)';

    1320. 

  1320.                     }

    1321. 

  1321.                     else

    1322. 

  1322.                     {

    1323. 

  1323.                         $framedata .= str_replace("\x00", '', $source_data_array['ownerid']) . "\x00";

    1324. 

  1324.                         $framedata .= ord($source_data_array['methodsymbol']);

    1325. 

  1325.                         $framedata .= $source_data_array['data'];

    1326. 

  1326.                     }

    1327. 

  1327.                     break;

    1328. 

  1328.                 

    1329. 

  1329.                 case 'GRID' :

    1330. 

  1330.                     // 4.26  GRID Group identification registration (ID3v2.3+ only)
    1331. 

  1331.                     // Owner identifier      <text string> $00
    1332. 

  1332.                     // Group symbol          $xx
    1333. 

  1333.                     // Group dependent data  <binary data>
    1334. 

  1334.                     if (! $this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false))

    1335. 

  1335.                     {

    1336. 

  1336.                         $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['groupsymbol'] . ') (range = 0 to 255)';

    1337. 

  1337.                     }

    1338. 

  1338.                     else

    1339. 

  1339.                     {

    1340. 

  1340.                         $framedata .= str_replace("\x00", '', $source_data_array['ownerid']) . "\x00";

    1341. 

  1341.                         $framedata .= ord($source_data_array['groupsymbol']);

    1342. 

  1342.                         $framedata .= $source_data_array['data'];

    1343. 

  1343.                     }

    1344. 

  1344.                     break;

    1345. 

  1345.                 

    1346. 

  1346.                 case 'PRIV' :

    1347. 

  1347.                     // 4.27  PRIV Private frame (ID3v2.3+ only)
    1348. 

  1348.                     // Owner identifier      <text string> $00
    1349. 

  1349.                     // The private data      <binary data>
    1350. 

  1350.                     $framedata .= str_replace("\x00", '', $source_data_array['ownerid']) . "\x00";

    1351. 

  1351.                     $framedata .= $source_data_array['data'];

    1352. 

  1352.                     break;

    1353. 

  1353.                 

    1354. 

  1354.                 case 'SIGN' :

    1355. 

  1355.                     // 4.28  SIGN Signature frame (ID3v2.4+ only)
    1356. 

  1356.                     // Group symbol      $xx
    1357. 

  1357.                     // Signature         <binary data>
    1358. 

  1358.                     if (! $this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false))

    1359. 

  1359.                     {

    1360. 

  1360.                         $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['groupsymbol'] . ') (range = 0 to 255)';

    1361. 

  1361.                     }

    1362. 

  1362.                     else

    1363. 

  1363.                     {

    1364. 

  1364.                         $framedata .= ord($source_data_array['groupsymbol']);

    1365. 

  1365.                         $framedata .= $source_data_array['data'];

    1366. 

  1366.                     }

    1367. 

  1367.                     break;

    1368. 

  1368.                 

    1369. 

  1369.                 case 'SEEK' :

    1370. 

  1370.                     // 4.29  SEEK Seek frame (ID3v2.4+ only)
    1371. 

  1371.                     // Minimum offset to next tag       $xx xx xx xx
    1372. 

  1372.                     if (! $this->IsWithinBitRange($source_data_array['data'], 32, false))

    1373. 

  1373.                     {

    1374. 

  1374.                         $this->errors[] = 'Invalid Minimum Offset in ' . $frame_name . ' (' . $source_data_array['data'] . ') (range = 0 to 4294967295)';

    1375. 

  1375.                     }

    1376. 

  1376.                     else

    1377. 

  1377.                     {

    1378. 

  1378.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['data'], 4, false);

    1379. 

  1379.                     }

    1380. 

  1380.                     break;

    1381. 

  1381.                 

    1382. 

  1382.                 case 'ASPI' :

    1383. 

  1383.                     // 4.30  ASPI Audio seek point index (ID3v2.4+ only)
    1384. 

  1384.                     // Indexed data start (S)         $xx xx xx xx
    1385. 

  1385.                     // Indexed data length (L)        $xx xx xx xx
    1386. 

  1386.                     // Number of index points (N)     $xx xx
    1387. 

  1387.                     // Bits per index point (b)       $xx
    1388. 

  1388.                     //   Then for every index point the following data is included:
    1389. 

  1389.                     // Fraction at index (Fi)          $xx (xx)
    1390. 

  1390.                     if (! $this->IsWithinBitRange($source_data_array['datastart'], 32, false))

    1391. 

  1391.                     {

    1392. 

  1392.                         $this->errors[] = 'Invalid Indexed Data Start in ' . $frame_name . ' (' . $source_data_array['datastart'] . ') (range = 0 to 4294967295)';

    1393. 

  1393.                     }

    1394. 

  1394.                     elseif (! $this->IsWithinBitRange($source_data_array['datalength'], 32, false))

    1395. 

  1395.                     {

    1396. 

  1396.                         $this->errors[] = 'Invalid Indexed Data Length in ' . $frame_name . ' (' . $source_data_array['datalength'] . ') (range = 0 to 4294967295)';

    1397. 

  1397.                     }

    1398. 

  1398.                     elseif (! $this->IsWithinBitRange($source_data_array['indexpoints'], 16, false))

    1399. 

  1399.                     {

    1400. 

  1400.                         $this->errors[] = 'Invalid Number Of Index Points in ' . $frame_name . ' (' . $source_data_array['indexpoints'] . ') (range = 0 to 65535)';

    1401. 

  1401.                     }

    1402. 

  1402.                     elseif (! $this->IsWithinBitRange($source_data_array['bitsperpoint'], 8, false))

    1403. 

  1403.                     {

    1404. 

  1404.                         $this->errors[] = 'Invalid Bits Per Index Point in ' . $frame_name . ' (' . $source_data_array['bitsperpoint'] . ') (range = 0 to 255)';

    1405. 

  1405.                     }

    1406. 

  1406.                     elseif ($source_data_array['indexpoints'] != count($source_data_array['indexes']))

    1407. 

  1407.                     {

    1408. 

  1408.                         $this->errors[] = 'Number Of Index Points does not match actual supplied data in ' . $frame_name;

    1409. 

  1409.                     }

    1410. 

  1410.                     else

    1411. 

  1411.                     {

    1412. 

  1412.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['datastart'], 4, false);

    1413. 

  1413.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['datalength'], 4, false);

    1414. 

  1414.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['indexpoints'], 2, false);

    1415. 

  1415.                         $framedata .= getid3_lib :: BigEndian2String($source_data_array['bitsperpoint'], 1, false);

    1416. 

  1416.                         foreach ($source_data_array['indexes'] as $key => $val)

    1417. 

  1417.                         {

    1418. 

  1418.                             $framedata .= getid3_lib :: BigEndian2String($val, ceil($source_data_array['bitsperpoint'] / 8), false);

    1419. 

  1419.                         }

    1420. 

  1420.                     }

    1421. 

  1421.                     break;

    1422. 

  1422.                 

    1423. 

  1423.                 case 'RGAD' :

    1424. 

  1424.                     //   RGAD Replay Gain Adjustment
    1425. 

  1425.                     //   http://privatewww.essex.ac.uk/~djmrob/replaygain/
    1426. 

  1426.                     // Peak Amplitude                     $xx $xx $xx $xx
    1427. 

  1427.                     // Radio Replay Gain Adjustment        %aaabbbcd %dddddddd
    1428. 

  1428.                     // Audiophile Replay Gain Adjustment   %aaabbbcd %dddddddd
    1429. 

  1429.                     //   a - name code
    1430. 

  1430.                     //   b - originator code
    1431. 

  1431.                     //   c - sign bit
    1432. 

  1432.                     //   d - replay gain adjustment
    1433. 

  1433.                     

    1434. 

  1434. 

    1435. 

  1435.                     if (($source_data_array['track_adjustment'] > 51) || ($source_data_array['track_adjustment'] < - 51))

    1436. 

  1436.                     {

    1437. 

  1437.                         $this->errors[] = 'Invalid Track Adjustment in ' . $frame_name . ' (' . $source_data_array['track_adjustment'] . ') (range = -51.0 to +51.0)';

    1438. 

  1438.                     }

    1439. 

  1439.                     elseif (($source_data_array['album_adjustment'] > 51) || ($source_data_array['album_adjustment'] < - 51))

    1440. 

  1440.                     {

    1441. 

  1441.                         $this->errors[] = 'Invalid Album Adjustment in ' . $frame_name . ' (' . $source_data_array['album_adjustment'] . ') (range = -51.0 to +51.0)';

    1442. 

  1442.                     }

    1443. 

  1443.                     elseif (! $this->ID3v2IsValidRGADname($source_data_array['raw']['track_name']))

    1444. 

  1444.                     {

    1445. 

  1445.                         $this->errors[] = 'Invalid Track Name Code in ' . $frame_name . ' (' . $source_data_array['raw']['track_name'] . ') (range = 0 to 2)';

    1446. 

  1446.                     }

    1447. 

  1447.                     elseif (! $this->ID3v2IsValidRGADname($source_data_array['raw']['album_name']))

    1448. 

  1448.                     {

    1449. 

  1449.                         $this->errors[] = 'Invalid Album Name Code in ' . $frame_name . ' (' . $source_data_array['raw']['album_name'] . ') (range = 0 to 2)';

    1450. 

  1450.                     }

    1451. 

  1451.                     elseif (! $this->ID3v2IsValidRGADoriginator($source_data_array['raw']['track_originator']))

    1452. 

  1452.                     {

    1453. 

  1453.                         $this->errors[] = 'Invalid Track Originator Code in ' . $frame_name . ' (' . $source_data_array['raw']['track_originator'] . ') (range = 0 to 3)';

    1454. 

  1454.                     }

    1455. 

  1455.                     elseif (! $this->ID3v2IsValidRGADoriginator($source_data_array['raw']['album_originator']))

    1456. 

  1456.                     {

    1457. 

  1457.                         $this->errors[] = 'Invalid Album Originator Code in ' . $frame_name . ' (' . $source_data_array['raw']['album_originator'] . ') (range = 0 to 3)';

    1458. 

  1458.                     }

    1459. 

  1459.                     else

    1460. 

  1460.                     {

    1461. 

  1461.                         $framedata .= getid3_lib :: Float2String($source_data_array['peakamplitude'], 32);

    1462. 

  1462.                         $framedata .= getid3_lib :: RGADgainString($source_data_array['raw']['track_name'], $source_data_array['raw']['track_originator'], $source_data_array['track_adjustment']);

    1463. 

  1463.                         $framedata .= getid3_lib :: RGADgainString($source_data_array['raw']['album_name'], $source_data_array['raw']['album_originator'], $source_data_array['album_adjustment']);

    1464. 

  1464.                     }

    1465. 

  1465.                     break;

    1466. 

  1466.                 

    1467. 

  1467.                 default :

    1468. 

  1468.                     if ($frame_name{0} == 'T')

    1469. 

  1469.                     {

    1470. 

  1470.                         // 4.2. T???  Text information frames
    1471. 

  1471.                         // Text encoding                $xx
    1472. 

  1472.                         // Information                  <text string(s) according to encoding>
    1473. 

  1473.                         $source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);

    1474. 

  1474.                         if (! $this->ID3v2IsValidTextEncoding($source_data_array['encodingid']))

    1475. 

  1475.                         {

    1476. 

  1476.                             $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion;

    1477. 

  1477.                         }

    1478. 

  1478.                         else

    1479. 

  1479.                         {

    1480. 

  1480.                             $framedata .= chr($source_data_array['encodingid']);

    1481. 

  1481.                             $framedata .= $source_data_array['data'];

    1482. 

  1482.                         }

    1483. 

  1483.                     }

    1484. 

  1484.                     elseif ($frame_name{0} == 'W')

    1485. 

  1485.                     {

    1486. 

  1486.                         // 4.3. W???  URL link frames
    1487. 

  1487.                         // URL              <text string>
    1488. 

  1488.                         if (! $this->IsValidURL($source_data_array['data'], false, false))

    1489. 

  1489.                         {

    1490. 

  1490.                             //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
    1491. 

  1491.                             // probably should be an error, need to rewrite IsValidURL() to handle other encodings
    1492. 

  1492.                             $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')';

    1493. 

  1493.                         }

    1494. 

  1494.                         else

    1495. 

  1495.                         {

    1496. 

  1496.                             $framedata .= $source_data_array['data'];

    1497. 

  1497.                         }

    1498. 

  1498.                     }

    1499. 

  1499.                     else

    1500. 

  1500.                     {

    1501. 

  1501.                         $this->errors[] = $frame_name . ' not yet supported in $this->GenerateID3v2FrameData()';

    1502. 

  1502.                     }

    1503. 

  1503.                     break;

    1504. 

  1504.             }

    1505. 

  1505.         }

    1506. 

  1506.         if (! empty($this->errors))

    1507. 

  1507.         {

    1508. 

  1508.             return false;

    1509. 

  1509.         }

    1510. 

  1510.         return $framedata;

    1511. 

  1511.     }

    1512. 

  1512. 

    1513. 

  1513.     function ID3v2FrameIsAllowed($frame_name, $source_data_array)

    1514. 

  1514.     {

    1515. 

  1515.         static $PreviousFrames = array();

    1516. 

  1516.         

    1517. 

  1517.         if ($frame_name === null)

    1518. 

  1518.         {

    1519. 

  1519.             // if the writing functions are called multiple times, the static array needs to be
    1520. 

  1520.             // cleared - this can be done by calling $this->ID3v2FrameIsAllowed(null, '')
    1521. 

  1521.             $PreviousFrames = array();

    1522. 

  1522.             return true;

    1523. 

  1523.         }

    1524. 

  1524.         

    1525. 

  1525.         if ($this->majorversion == 4)

    1526. 

  1526.         {

    1527. 

  1527.             switch ($frame_name)

    1528. 

  1528.             {

    1529. 

  1529.                 case 'UFID' :

    1530. 

  1530.                 case 'AENC' :

    1531. 

  1531.                 case 'ENCR' :

    1532. 

  1532.                 case 'GRID' :

    1533. 

  1533.                     if (! isset($source_data_array['ownerid']))

    1534. 

  1534.                     {

    1535. 

  1535.                         $this->errors[] = '[ownerid] not specified for ' . $frame_name;

    1536. 

  1536.                     }

    1537. 

  1537.                     elseif (in_array($frame_name . $source_data_array['ownerid'], $PreviousFrames))

    1538. 

  1538.                     {

    1539. 

  1539.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array['ownerid'] . ')';

    1540. 

  1540.                     }

    1541. 

  1541.                     else

    1542. 

  1542.                     {

    1543. 

  1543.                         $PreviousFrames[] = $frame_name . $source_data_array['ownerid'];

    1544. 

  1544.                     }

    1545. 

  1545.                     break;

    1546. 

  1546.                 

    1547. 

  1547.                 case 'TXXX' :

    1548. 

  1548.                 case 'WXXX' :

    1549. 

  1549.                 case 'RVA2' :

    1550. 

  1550.                 case 'EQU2' :

    1551. 

  1551.                 case 'APIC' :

    1552. 

  1552.                 case 'GEOB' :

    1553. 

  1553.                     if (! isset($source_data_array['description']))

    1554. 

  1554.                     {

    1555. 

  1555.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1556. 

  1556.                     }

    1557. 

  1557.                     elseif (in_array($frame_name . $source_data_array['description'], $PreviousFrames))

    1558. 

  1558.                     {

    1559. 

  1559.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array['description'] . ')';

    1560. 

  1560.                     }

    1561. 

  1561.                     else

    1562. 

  1562.                     {

    1563. 

  1563.                         $PreviousFrames[] = $frame_name . $source_data_array['description'];

    1564. 

  1564.                     }

    1565. 

  1565.                     break;

    1566. 

  1566.                 

    1567. 

  1567.                 case 'USER' :

    1568. 

  1568.                     if (! isset($source_data_array['language']))

    1569. 

  1569.                     {

    1570. 

  1570.                         $this->errors[] = '[language] not specified for ' . $frame_name;

    1571. 

  1571.                     }

    1572. 

  1572.                     elseif (in_array($frame_name . $source_data_array['language'], $PreviousFrames))

    1573. 

  1573.                     {

    1574. 

  1574.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Language (' . $source_data_array['language'] . ')';

    1575. 

  1575.                     }

    1576. 

  1576.                     else

    1577. 

  1577.                     {

    1578. 

  1578.                         $PreviousFrames[] = $frame_name . $source_data_array['language'];

    1579. 

  1579.                     }

    1580. 

  1580.                     break;

    1581. 

  1581.                 

    1582. 

  1582.                 case 'USLT' :

    1583. 

  1583.                 case 'SYLT' :

    1584. 

  1584.                 case 'COMM' :

    1585. 

  1585.                     if (! isset($source_data_array['language']))

    1586. 

  1586.                     {

    1587. 

  1587.                         $this->errors[] = '[language] not specified for ' . $frame_name;

    1588. 

  1588.                     }

    1589. 

  1589.                     elseif (! isset($source_data_array['description']))

    1590. 

  1590.                     {

    1591. 

  1591.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1592. 

  1592.                     }

    1593. 

  1593.                     elseif (in_array($frame_name . $source_data_array['language'] . $source_data_array['description'], $PreviousFrames))

    1594. 

  1594.                     {

    1595. 

  1595.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array['language'] . ' + ' . $source_data_array['description'] . ')';

    1596. 

  1596.                     }

    1597. 

  1597.                     else

    1598. 

  1598.                     {

    1599. 

  1599.                         $PreviousFrames[] = $frame_name . $source_data_array['language'] . $source_data_array['description'];

    1600. 

  1600.                     }

    1601. 

  1601.                     break;

    1602. 

  1602.                 

    1603. 

  1603.                 case 'POPM' :

    1604. 

  1604.                     if (! isset($source_data_array['email']))

    1605. 

  1605.                     {

    1606. 

  1606.                         $this->errors[] = '[email] not specified for ' . $frame_name;

    1607. 

  1607.                     }

    1608. 

  1608.                     elseif (in_array($frame_name . $source_data_array['email'], $PreviousFrames))

    1609. 

  1609.                     {

    1610. 

  1610.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array['email'] . ')';

    1611. 

  1611.                     }

    1612. 

  1612.                     else

    1613. 

  1613.                     {

    1614. 

  1614.                         $PreviousFrames[] = $frame_name . $source_data_array['email'];

    1615. 

  1615.                     }

    1616. 

  1616.                     break;

    1617. 

  1617.                 

    1618. 

  1618.                 case 'IPLS' :

    1619. 

  1619.                 case 'MCDI' :

    1620. 

  1620.                 case 'ETCO' :

    1621. 

  1621.                 case 'MLLT' :

    1622. 

  1622.                 case 'SYTC' :

    1623. 

  1623.                 case 'RVRB' :

    1624. 

  1624.                 case 'PCNT' :

    1625. 

  1625.                 case 'RBUF' :

    1626. 

  1626.                 case 'POSS' :

    1627. 

  1627.                 case 'OWNE' :

    1628. 

  1628.                 case 'SEEK' :

    1629. 

  1629.                 case 'ASPI' :

    1630. 

  1630.                 case 'RGAD' :

    1631. 

  1631.                     if (in_array($frame_name, $PreviousFrames))

    1632. 

  1632.                     {

    1633. 

  1633.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed';

    1634. 

  1634.                     }

    1635. 

  1635.                     else

    1636. 

  1636.                     {

    1637. 

  1637.                         $PreviousFrames[] = $frame_name;

    1638. 

  1638.                     }

    1639. 

  1639.                     break;

    1640. 

  1640.                 

    1641. 

  1641.                 case 'LINK' :

    1642. 

  1642.                     // this isn't implemented quite right (yet) - it should check the target frame data for compliance
    1643. 

  1643.                     // but right now it just allows one linked frame of each type, to be safe.
    1644. 

  1644.                     if (! isset($source_data_array['frameid']))

    1645. 

  1645.                     {

    1646. 

  1646.                         $this->errors[] = '[frameid] not specified for ' . $frame_name;

    1647. 

  1647.                     }

    1648. 

  1648.                     elseif (in_array($frame_name . $source_data_array['frameid'], $PreviousFrames))

    1649. 

  1649.                     {

    1650. 

  1650.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array['frameid'] . ')';

    1651. 

  1651.                     }

    1652. 

  1652.                     elseif (in_array($source_data_array['frameid'], $PreviousFrames))

    1653. 

  1653.                     {

    1654. 

  1654.                         // no links to singleton tags
    1655. 

  1655.                         $this->errors[] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array['frameid'] . ')';

    1656. 

  1656.                     }

    1657. 

  1657.                     else

    1658. 

  1658.                     {

    1659. 

  1659.                         $PreviousFrames[] = $frame_name . $source_data_array['frameid']; // only one linked tag of this type
    1660. 

  1660.                         $PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
    1661. 

  1661.                     }

    1662. 

  1662.                     break;

    1663. 

  1663.                 

    1664. 

  1664.                 case 'COMR' :

    1665. 

  1665.                     //   There may be more than one 'commercial frame' in a tag, but no two may be identical
    1666. 

  1666.                     // Checking isn't implemented at all (yet) - just assumes that it's OK.
    1667. 

  1667.                     break;

    1668. 

  1668.                 

    1669. 

  1669.                 case 'PRIV' :

    1670. 

  1670.                 case 'SIGN' :

    1671. 

  1671.                     if (! isset($source_data_array['ownerid']))

    1672. 

  1672.                     {

    1673. 

  1673.                         $this->errors[] = '[ownerid] not specified for ' . $frame_name;

    1674. 

  1674.                     }

    1675. 

  1675.                     elseif (! isset($source_data_array['data']))

    1676. 

  1676.                     {

    1677. 

  1677.                         $this->errors[] = '[data] not specified for ' . $frame_name;

    1678. 

  1678.                     }

    1679. 

  1679.                     elseif (in_array($frame_name . $source_data_array['ownerid'] . $source_data_array['data'], $PreviousFrames))

    1680. 

  1680.                     {

    1681. 

  1681.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID + Data (' . $source_data_array['ownerid'] . ' + ' . $source_data_array['data'] . ')';

    1682. 

  1682.                     }

    1683. 

  1683.                     else

    1684. 

  1684.                     {

    1685. 

  1685.                         $PreviousFrames[] = $frame_name . $source_data_array['ownerid'] . $source_data_array['data'];

    1686. 

  1686.                     }

    1687. 

  1687.                     break;

    1688. 

  1688.                 

    1689. 

  1689.                 default :

    1690. 

  1690.                     if (($frame_name{0} != 'T') && ($frame_name{0} != 'W'))

    1691. 

  1691.                     {

    1692. 

  1692.                         $this->errors[] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;

    1693. 

  1693.                     }

    1694. 

  1694.                     break;

    1695. 

  1695.             }

    1696. 

  1696.         

    1697. 

  1697.         }

    1698. 

  1698.         elseif ($this->majorversion == 3)

    1699. 

  1699.         {

    1700. 

  1700.             

    1701. 

  1701.             switch ($frame_name)

    1702. 

  1702.             {

    1703. 

  1703.                 case 'UFID' :

    1704. 

  1704.                 case 'AENC' :

    1705. 

  1705.                 case 'ENCR' :

    1706. 

  1706.                 case 'GRID' :

    1707. 

  1707.                     if (! isset($source_data_array['ownerid']))

    1708. 

  1708.                     {

    1709. 

  1709.                         $this->errors[] = '[ownerid] not specified for ' . $frame_name;

    1710. 

  1710.                     }

    1711. 

  1711.                     elseif (in_array($frame_name . $source_data_array['ownerid'], $PreviousFrames))

    1712. 

  1712.                     {

    1713. 

  1713.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array['ownerid'] . ')';

    1714. 

  1714.                     }

    1715. 

  1715.                     else

    1716. 

  1716.                     {

    1717. 

  1717.                         $PreviousFrames[] = $frame_name . $source_data_array['ownerid'];

    1718. 

  1718.                     }

    1719. 

  1719.                     break;

    1720. 

  1720.                 

    1721. 

  1721.                 case 'TXXX' :

    1722. 

  1722.                 case 'WXXX' :

    1723. 

  1723.                 case 'APIC' :

    1724. 

  1724.                 case 'GEOB' :

    1725. 

  1725.                     if (! isset($source_data_array['description']))

    1726. 

  1726.                     {

    1727. 

  1727.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1728. 

  1728.                     }

    1729. 

  1729.                     elseif (in_array($frame_name . $source_data_array['description'], $PreviousFrames))

    1730. 

  1730.                     {

    1731. 

  1731.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array['description'] . ')';

    1732. 

  1732.                     }

    1733. 

  1733.                     else

    1734. 

  1734.                     {

    1735. 

  1735.                         $PreviousFrames[] = $frame_name . $source_data_array['description'];

    1736. 

  1736.                     }

    1737. 

  1737.                     break;

    1738. 

  1738.                 

    1739. 

  1739.                 case 'USER' :

    1740. 

  1740.                     if (! isset($source_data_array['language']))

    1741. 

  1741.                     {

    1742. 

  1742.                         $this->errors[] = '[language] not specified for ' . $frame_name;

    1743. 

  1743.                     }

    1744. 

  1744.                     elseif (in_array($frame_name . $source_data_array['language'], $PreviousFrames))

    1745. 

  1745.                     {

    1746. 

  1746.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Language (' . $source_data_array['language'] . ')';

    1747. 

  1747.                     }

    1748. 

  1748.                     else

    1749. 

  1749.                     {

    1750. 

  1750.                         $PreviousFrames[] = $frame_name . $source_data_array['language'];

    1751. 

  1751.                     }

    1752. 

  1752.                     break;

    1753. 

  1753.                 

    1754. 

  1754.                 case 'USLT' :

    1755. 

  1755.                 case 'SYLT' :

    1756. 

  1756.                 case 'COMM' :

    1757. 

  1757.                     if (! isset($source_data_array['language']))

    1758. 

  1758.                     {

    1759. 

  1759.                         $this->errors[] = '[language] not specified for ' . $frame_name;

    1760. 

  1760.                     }

    1761. 

  1761.                     elseif (! isset($source_data_array['description']))

    1762. 

  1762.                     {

    1763. 

  1763.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1764. 

  1764.                     }

    1765. 

  1765.                     elseif (in_array($frame_name . $source_data_array['language'] . $source_data_array['description'], $PreviousFrames))

    1766. 

  1766.                     {

    1767. 

  1767.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array['language'] . ' + ' . $source_data_array['description'] . ')';

    1768. 

  1768.                     }

    1769. 

  1769.                     else

    1770. 

  1770.                     {

    1771. 

  1771.                         $PreviousFrames[] = $frame_name . $source_data_array['language'] . $source_data_array['description'];

    1772. 

  1772.                     }

    1773. 

  1773.                     break;

    1774. 

  1774.                 

    1775. 

  1775.                 case 'POPM' :

    1776. 

  1776.                     if (! isset($source_data_array['email']))

    1777. 

  1777.                     {

    1778. 

  1778.                         $this->errors[] = '[email] not specified for ' . $frame_name;

    1779. 

  1779.                     }

    1780. 

  1780.                     elseif (in_array($frame_name . $source_data_array['email'], $PreviousFrames))

    1781. 

  1781.                     {

    1782. 

  1782.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array['email'] . ')';

    1783. 

  1783.                     }

    1784. 

  1784.                     else

    1785. 

  1785.                     {

    1786. 

  1786.                         $PreviousFrames[] = $frame_name . $source_data_array['email'];

    1787. 

  1787.                     }

    1788. 

  1788.                     break;

    1789. 

  1789.                 

    1790. 

  1790.                 case 'IPLS' :

    1791. 

  1791.                 case 'MCDI' :

    1792. 

  1792.                 case 'ETCO' :

    1793. 

  1793.                 case 'MLLT' :

    1794. 

  1794.                 case 'SYTC' :

    1795. 

  1795.                 case 'RVAD' :

    1796. 

  1796.                 case 'EQUA' :

    1797. 

  1797.                 case 'RVRB' :

    1798. 

  1798.                 case 'PCNT' :

    1799. 

  1799.                 case 'RBUF' :

    1800. 

  1800.                 case 'POSS' :

    1801. 

  1801.                 case 'OWNE' :

    1802. 

  1802.                 case 'RGAD' :

    1803. 

  1803.                     if (in_array($frame_name, $PreviousFrames))

    1804. 

  1804.                     {

    1805. 

  1805.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed';

    1806. 

  1806.                     }

    1807. 

  1807.                     else

    1808. 

  1808.                     {

    1809. 

  1809.                         $PreviousFrames[] = $frame_name;

    1810. 

  1810.                     }

    1811. 

  1811.                     break;

    1812. 

  1812.                 

    1813. 

  1813.                 case 'LINK' :

    1814. 

  1814.                     // this isn't implemented quite right (yet) - it should check the target frame data for compliance
    1815. 

  1815.                     // but right now it just allows one linked frame of each type, to be safe.
    1816. 

  1816.                     if (! isset($source_data_array['frameid']))

    1817. 

  1817.                     {

    1818. 

  1818.                         $this->errors[] = '[frameid] not specified for ' . $frame_name;

    1819. 

  1819.                     }

    1820. 

  1820.                     elseif (in_array($frame_name . $source_data_array['frameid'], $PreviousFrames))

    1821. 

  1821.                     {

    1822. 

  1822.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array['frameid'] . ')';

    1823. 

  1823.                     }

    1824. 

  1824.                     elseif (in_array($source_data_array['frameid'], $PreviousFrames))

    1825. 

  1825.                     {

    1826. 

  1826.                         // no links to singleton tags
    1827. 

  1827.                         $this->errors[] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array['frameid'] . ')';

    1828. 

  1828.                     }

    1829. 

  1829.                     else

    1830. 

  1830.                     {

    1831. 

  1831.                         $PreviousFrames[] = $frame_name . $source_data_array['frameid']; // only one linked tag of this type
    1832. 

  1832.                         $PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
    1833. 

  1833.                     }

    1834. 

  1834.                     break;

    1835. 

  1835.                 

    1836. 

  1836.                 case 'COMR' :

    1837. 

  1837.                     //   There may be more than one 'commercial frame' in a tag, but no two may be identical
    1838. 

  1838.                     // Checking isn't implemented at all (yet) - just assumes that it's OK.
    1839. 

  1839.                     break;

    1840. 

  1840.                 

    1841. 

  1841.                 case 'PRIV' :

    1842. 

  1842.                     if (! isset($source_data_array['ownerid']))

    1843. 

  1843.                     {

    1844. 

  1844.                         $this->errors[] = '[ownerid] not specified for ' . $frame_name;

    1845. 

  1845.                     }

    1846. 

  1846.                     elseif (! isset($source_data_array['data']))

    1847. 

  1847.                     {

    1848. 

  1848.                         $this->errors[] = '[data] not specified for ' . $frame_name;

    1849. 

  1849.                     }

    1850. 

  1850.                     elseif (in_array($frame_name . $source_data_array['ownerid'] . $source_data_array['data'], $PreviousFrames))

    1851. 

  1851.                     {

    1852. 

  1852.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID + Data (' . $source_data_array['ownerid'] . ' + ' . $source_data_array['data'] . ')';

    1853. 

  1853.                     }

    1854. 

  1854.                     else

    1855. 

  1855.                     {

    1856. 

  1856.                         $PreviousFrames[] = $frame_name . $source_data_array['ownerid'] . $source_data_array['data'];

    1857. 

  1857.                     }

    1858. 

  1858.                     break;

    1859. 

  1859.                 

    1860. 

  1860.                 default :

    1861. 

  1861.                     if (($frame_name{0} != 'T') && ($frame_name{0} != 'W'))

    1862. 

  1862.                     {

    1863. 

  1863.                         $this->errors[] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;

    1864. 

  1864.                     }

    1865. 

  1865.                     break;

    1866. 

  1866.             }

    1867. 

  1867.         

    1868. 

  1868.         }

    1869. 

  1869.         elseif ($this->majorversion == 2)

    1870. 

  1870.         {

    1871. 

  1871.             

    1872. 

  1872.             switch ($frame_name)

    1873. 

  1873.             {

    1874. 

  1874.                 case 'UFI' :

    1875. 

  1875.                 case 'CRM' :

    1876. 

  1876.                 case 'CRA' :

    1877. 

  1877.                     if (! isset($source_data_array['ownerid']))

    1878. 

  1878.                     {

    1879. 

  1879.                         $this->errors[] = '[ownerid] not specified for ' . $frame_name;

    1880. 

  1880.                     }

    1881. 

  1881.                     elseif (in_array($frame_name . $source_data_array['ownerid'], $PreviousFrames))

    1882. 

  1882.                     {

    1883. 

  1883.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array['ownerid'] . ')';

    1884. 

  1884.                     }

    1885. 

  1885.                     else

    1886. 

  1886.                     {

    1887. 

  1887.                         $PreviousFrames[] = $frame_name . $source_data_array['ownerid'];

    1888. 

  1888.                     }

    1889. 

  1889.                     break;

    1890. 

  1890.                 

    1891. 

  1891.                 case 'TXX' :

    1892. 

  1892.                 case 'WXX' :

    1893. 

  1893.                 case 'PIC' :

    1894. 

  1894.                 case 'GEO' :

    1895. 

  1895.                     if (! isset($source_data_array['description']))

    1896. 

  1896.                     {

    1897. 

  1897.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1898. 

  1898.                     }

    1899. 

  1899.                     elseif (in_array($frame_name . $source_data_array['description'], $PreviousFrames))

    1900. 

  1900.                     {

    1901. 

  1901.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array['description'] . ')';

    1902. 

  1902.                     }

    1903. 

  1903.                     else

    1904. 

  1904.                     {

    1905. 

  1905.                         $PreviousFrames[] = $frame_name . $source_data_array['description'];

    1906. 

  1906.                     }

    1907. 

  1907.                     break;

    1908. 

  1908.                 

    1909. 

  1909.                 case 'ULT' :

    1910. 

  1910.                 case 'SLT' :

    1911. 

  1911.                 case 'COM' :

    1912. 

  1912.                     if (! isset($source_data_array['language']))

    1913. 

  1913.                     {

    1914. 

  1914.                         $this->errors[] = '[language] not specified for ' . $frame_name;

    1915. 

  1915.                     }

    1916. 

  1916.                     elseif (! isset($source_data_array['description']))

    1917. 

  1917.                     {

    1918. 

  1918.                         $this->errors[] = '[description] not specified for ' . $frame_name;

    1919. 

  1919.                     }

    1920. 

  1920.                     elseif (in_array($frame_name . $source_data_array['language'] . $source_data_array['description'], $PreviousFrames))

    1921. 

  1921.                     {

    1922. 

  1922.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array['language'] . ' + ' . $source_data_array['description'] . ')';

    1923. 

  1923.                     }

    1924. 

  1924.                     else

    1925. 

  1925.                     {

    1926. 

  1926.                         $PreviousFrames[] = $frame_name . $source_data_array['language'] . $source_data_array['description'];

    1927. 

  1927.                     }

    1928. 

  1928.                     break;

    1929. 

  1929.                 

    1930. 

  1930.                 case 'POP' :

    1931. 

  1931.                     if (! isset($source_data_array['email']))

    1932. 

  1932.                     {

    1933. 

  1933.                         $this->errors[] = '[email] not specified for ' . $frame_name;

    1934. 

  1934.                     }

    1935. 

  1935.                     elseif (in_array($frame_name . $source_data_array['email'], $PreviousFrames))

    1936. 

  1936.                     {

    1937. 

  1937.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array['email'] . ')';

    1938. 

  1938.                     }

    1939. 

  1939.                     else

    1940. 

  1940.                     {

    1941. 

  1941.                         $PreviousFrames[] = $frame_name . $source_data_array['email'];

    1942. 

  1942.                     }

    1943. 

  1943.                     break;

    1944. 

  1944.                 

    1945. 

  1945.                 case 'IPL' :

    1946. 

  1946.                 case 'MCI' :

    1947. 

  1947.                 case 'ETC' :

    1948. 

  1948.                 case 'MLL' :

    1949. 

  1949.                 case 'STC' :

    1950. 

  1950.                 case 'RVA' :

    1951. 

  1951.                 case 'EQU' :

    1952. 

  1952.                 case 'REV' :

    1953. 

  1953.                 case 'CNT' :

    1954. 

  1954.                 case 'BUF' :

    1955. 

  1955.                     if (in_array($frame_name, $PreviousFrames))

    1956. 

  1956.                     {

    1957. 

  1957.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed';

    1958. 

  1958.                     }

    1959. 

  1959.                     else

    1960. 

  1960.                     {

    1961. 

  1961.                         $PreviousFrames[] = $frame_name;

    1962. 

  1962.                     }

    1963. 

  1963.                     break;

    1964. 

  1964.                 

    1965. 

  1965.                 case 'LNK' :

    1966. 

  1966.                     // this isn't implemented quite right (yet) - it should check the target frame data for compliance
    1967. 

  1967.                     // but right now it just allows one linked frame of each type, to be safe.
    1968. 

  1968.                     if (! isset($source_data_array['frameid']))

    1969. 

  1969.                     {

    1970. 

  1970.                         $this->errors[] = '[frameid] not specified for ' . $frame_name;

    1971. 

  1971.                     }

    1972. 

  1972.                     elseif (in_array($frame_name . $source_data_array['frameid'], $PreviousFrames))

    1973. 

  1973.                     {

    1974. 

  1974.                         $this->errors[] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array['frameid'] . ')';

    1975. 

  1975.                     }

    1976. 

  1976.                     elseif (in_array($source_data_array['frameid'], $PreviousFrames))

    1977. 

  1977.                     {

    1978. 

  1978.                         // no links to singleton tags
    1979. 

  1979.                         $this->errors[] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array['frameid'] . ')';

    1980. 

  1980.                     }

    1981. 

  1981.                     else

    1982. 

  1982.                     {

    1983. 

  1983.                         $PreviousFrames[] = $frame_name . $source_data_array['frameid']; // only one linked tag of this type
    1984. 

  1984.                         $PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
    1985. 

  1985.                     }

    1986. 

  1986.                     break;

    1987. 

  1987.                 

    1988. 

  1988.                 default :

    1989. 

  1989.                     if (($frame_name{0} != 'T') && ($frame_name{0} != 'W'))

    1990. 

  1990.                     {

    1991. 

  1991.                         $this->errors[] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;

    1992. 

  1992.                     }

    1993. 

  1993.                     break;

    1994. 

  1994.             }

    1995. 

  1995.         }

    1996. 

  1996.         

    1997. 

  1997.         if (! empty($this->errors))

    1998. 

  1998.         {

    1999. 

  1999.             return false;

    2000. 

  2000.         }

    2001. 

  2001.         return true;

    2002. 

  2002.     }

    2003. 

  2003. 

    2004. 

  2004.     function GenerateID3v2Tag($noerrorsonly = true)

    2005. 

  2005.     {

    2006. 

  2006.         $this->ID3v2FrameIsAllowed(null, ''); // clear static array in case this isn't the first call to $this->GenerateID3v2Tag()
    2007. 

  2007.         

    2008. 

  2008. 

    2009. 

  2009.         $tagstring = '';

    2010. 

  2010.         if (is_array($this->tag_data))

    2011. 

  2011.         {

    2012. 

  2012.             foreach ($this->tag_data as $frame_name => $frame_rawinputdata)

    2013. 

  2013.             {

    2014. 

  2014.                 foreach ($frame_rawinputdata as $irrelevantindex => $source_data_array)

    2015. 

  2015.                 {

    2016. 

  2016.                     if (getid3_id3v2 :: IsValidID3v2FrameName($frame_name, $this->majorversion))

    2017. 

  2017.                     {

    2018. 

  2018.                         unset($frame_length);

    2019. 

  2019.                         unset($frame_flags);

    2020. 

  2020.                         $frame_data = false;

    2021. 

  2021.                         if ($this->ID3v2FrameIsAllowed($frame_name, $source_data_array))

    2022. 

  2022.                         {

    2023. 

  2023.                             if ($frame_data = $this->GenerateID3v2FrameData($frame_name, $source_data_array))

    2024. 

  2024.                             {

    2025. 

  2025.                                 $FrameUnsynchronisation = false;

    2026. 

  2026.                                 if ($this->majorversion >= 4)

    2027. 

  2027.                                 {

    2028. 

  2028.                                     // frame-level unsynchronisation
    2029. 

  2029.                                     $unsynchdata = $frame_data;

    2030. 

  2030.                                     if ($this->id3v2_use_unsynchronisation)

    2031. 

  2031.                                     {

    2032. 

  2032.                                         $unsynchdata = $this->Unsynchronise($frame_data);

    2033. 

  2033.                                     }

    2034. 

  2034.                                     if (strlen($unsynchdata) != strlen($frame_data))

    2035. 

  2035.                                     {

    2036. 

  2036.                                         // unsynchronisation needed
    2037. 

  2037.                                         $FrameUnsynchronisation = true;

    2038. 

  2038.                                         $frame_data = $unsynchdata;

    2039. 

  2039.                                         if (isset($TagUnsynchronisation) && $TagUnsynchronisation === false)

    2040. 

  2040.                                         {

    2041. 

  2041.                                             // only set to true if ALL frames are unsynchronised
    2042. 

  2042.                                         }

    2043. 

  2043.                                         else

    2044. 

  2044.                                         {

    2045. 

  2045.                                             $TagUnsynchronisation = true;

    2046. 

  2046.                                         }

    2047. 

  2047.                                     }

    2048. 

  2048.                                     else

    2049. 

  2049.                                     {

    2050. 

  2050.                                         if (isset($TagUnsynchronisation))

    2051. 

  2051.                                         {

    2052. 

  2052.                                             $TagUnsynchronisation = false;

    2053. 

  2053.                                         }

    2054. 

  2054.                                     }

    2055. 

  2055.                                     unset($unsynchdata);

    2056. 

  2056.                                     

    2057. 

  2057.                                     $frame_length = getid3_lib :: BigEndian2String(strlen($frame_data), 4, true);

    2058. 

  2058.                                 }

    2059. 

  2059.                                 else

    2060. 

  2060.                                 {

    2061. 

  2061.                                     $frame_length = getid3_lib :: BigEndian2String(strlen($frame_data), 4, false);

    2062. 

  2062.                                 }

    2063. 

  2063.                                 $frame_flags = $this->GenerateID3v2FrameFlags($this->ID3v2FrameFlagsLookupTagAlter($frame_name), $this->ID3v2FrameFlagsLookupFileAlter($frame_name), false, false, false, false, $FrameUnsynchronisation, false);

    2064. 

  2064.                             }

    2065. 

  2065.                         }

    2066. 

  2066.                         else

    2067. 

  2067.                         {

    2068. 

  2068.                             $this->errors[] = 'Frame "' . $frame_name . '" is NOT allowed';

    2069. 

  2069.                         }

    2070. 

  2070.                         if ($frame_data === false)

    2071. 

  2071.                         {

    2072. 

  2072.                             $this->errors[] = '$this->GenerateID3v2FrameData() failed for "' . $frame_name . '"';

    2073. 

  2073.                             if ($noerrorsonly)

    2074. 

  2074.                             {

    2075. 

  2075.                                 return false;

    2076. 

  2076.                             }

    2077. 

  2077.                             else

    2078. 

  2078.                             {

    2079. 

  2079.                                 unset($frame_name);

    2080. 

  2080.                             }

    2081. 

  2081.                         }

    2082. 

  2082.                     }

    2083. 

  2083.                     else

    2084. 

  2084.                     {

    2085. 

  2085.                         // ignore any invalid frame names, including 'title', 'header', etc
    2086. 

  2086.                         $this->warnings[] = 'Ignoring invalid ID3v2 frame type: "' . $frame_name . '"';

    2087. 

  2087.                         unset($frame_name);

    2088. 

  2088.                         unset($frame_length);

    2089. 

  2089.                         unset($frame_flags);

    2090. 

  2090.                         unset($frame_data);

    2091. 

  2091.                     }

    2092. 

  2092.                     if (isset($frame_name) && isset($frame_length) && isset($frame_flags) && isset($frame_data))

    2093. 

  2093.                     {

    2094. 

  2094.                         $tagstring .= $frame_name . $frame_length . $frame_flags . $frame_data;

    2095. 

  2095.                     }

    2096. 

  2096.                 }

    2097. 

  2097.             }

    2098. 

  2098.             

    2099. 

  2099.             if (! isset($TagUnsynchronisation))

    2100. 

  2100.             {

    2101. 

  2101.                 $TagUnsynchronisation = false;

    2102. 

  2102.             }

    2103. 

  2103.             if (($this->majorversion <= 3) && $this->id3v2_use_unsynchronisation)

    2104. 

  2104.             {

    2105. 

  2105.                 // tag-level unsynchronisation
    2106. 

  2106.                 $unsynchdata = $this->Unsynchronise($tagstring);

    2107. 

  2107.                 if (strlen($unsynchdata) != strlen($tagstring))

    2108. 

  2108.                 {

    2109. 

  2109.                     // unsynchronisation needed
    2110. 

  2110.                     $TagUnsynchronisation = true;

    2111. 

  2111.                     $tagstring = $unsynchdata;

    2112. 

  2112.                 }

    2113. 

  2113.             }

    2114. 

  2114.             

    2115. 

  2115.             while ($this->paddedlength < (strlen($tagstring) + getid3_id3v2 :: ID3v2HeaderLength($this->majorversion)))

    2116. 

  2116.             {

    2117. 

  2117.                 $this->paddedlength += 1024;

    2118. 

  2118.             }

    2119. 

  2119.             

    2120. 

  2120.             $footer = false; // ID3v2 footers not yet supported in getID3()
    2121. 

  2121.             if (! $footer && ($this->paddedlength > (strlen($tagstring) + getid3_id3v2 :: ID3v2HeaderLength($this->majorversion))))

    2122. 

  2122.             {

    2123. 

  2123.                 // pad up to $paddedlength bytes if unpadded tag is shorter than $paddedlength
    2124. 

  2124.                 // "Furthermore it MUST NOT have any padding when a tag footer is added to the tag."
    2125. 

  2125.                 $tagstring .= @str_repeat("\x00", $this->paddedlength - strlen($tagstring) - getid3_id3v2 :: ID3v2HeaderLength($this->majorversion));

    2126. 

  2126.             }

    2127. 

  2127.             if ($this->id3v2_use_unsynchronisation && (substr($tagstring, strlen($tagstring) - 1, 1) == "\xFF"))

    2128. 

  2128.             {

    2129. 

  2129.                 // special unsynchronisation case:
    2130. 

  2130.                 // if last byte == $FF then appended a $00
    2131. 

  2131.                 $TagUnsynchronisation = true;

    2132. 

  2132.                 $tagstring .= "\x00";

    2133. 

  2133.             }

    2134. 

  2134.             

    2135. 

  2135.             $tagheader = 'ID3';

    2136. 

  2136.             $tagheader .= chr($this->majorversion);

    2137. 

  2137.             $tagheader .= chr($this->minorversion);

    2138. 

  2138.             $tagheader .= $this->GenerateID3v2TagFlags(array('unsynchronisation' => $TagUnsynchronisation));

    2139. 

  2139.             $tagheader .= getid3_lib :: BigEndian2String(strlen($tagstring), 4, true);

    2140. 

  2140.             

    2141. 

  2141.             return $tagheader . $tagstring;

    2142. 

  2142.         }

    2143. 

  2143.         $this->errors[] = 'tag_data is not an array in GenerateID3v2Tag()';

    2144. 

  2144.         return false;

    2145. 

  2145.     }

    2146. 

  2146. 

    2147. 

  2147.     function ID3v2IsValidPriceString($pricestring)

    2148. 

  2148.     {

    2149. 

  2149.         if (getid3_id3v2 :: LanguageLookup(substr($pricestring, 0, 3), true) == '')

    2150. 

  2150.         {

    2151. 

  2151.             return false;

    2152. 

  2152.         }

    2153. 

  2153.         elseif (! $this->IsANumber(substr($pricestring, 3), true))

    2154. 

  2154.         {

    2155. 

  2155.             return false;

    2156. 

  2156.         }

    2157. 

  2157.         return true;

    2158. 

  2158.     }

    2159. 

  2159. 

    2160. 

  2160.     function ID3v2FrameFlagsLookupTagAlter($framename)

    2161. 

  2161.     {

    2162. 

  2162.         // unfinished
    2163. 

  2163.         switch ($framename)

    2164. 

  2164.         {

    2165. 

  2165.             case 'RGAD' :

    2166. 

  2166.                 $allow = true;

    2167. 

  2167.             default :

    2168. 

  2168.                 $allow = false;

    2169. 

  2169.                 break;

    2170. 

  2170.         }

    2171. 

  2171.         return $allow;

    2172. 

  2172.     }

    2173. 

  2173. 

    2174. 

  2174.     function ID3v2FrameFlagsLookupFileAlter($framename)

    2175. 

  2175.     {

    2176. 

  2176.         // unfinished
    2177. 

  2177.         switch ($framename)

    2178. 

  2178.         {

    2179. 

  2179.             case 'RGAD' :

    2180. 

  2180.                 return false;

    2181. 

  2181.                 break;

    2182. 

  2182.             

    2183. 

  2183.             default :

    2184. 

  2184.                 return false;

    2185. 

  2185.                 break;

    2186. 

  2186.         }

    2187. 

  2187.     }

    2188. 

  2188. 

    2189. 

  2189.     function ID3v2IsValidETCOevent($eventid)

    2190. 

  2190.     {

    2191. 

  2191.         if (($eventid < 0) || ($eventid > 0xFF))

    2192. 

  2192.         {

    2193. 

  2193.             // outside range of 1 byte
    2194. 

  2194.             return false;

    2195. 

  2195.         }

    2196. 

  2196.         elseif (($eventid >= 0xF0) && ($eventid <= 0xFC))

    2197. 

  2197.         {

    2198. 

  2198.             // reserved for future use
    2199. 

  2199.             return false;

    2200. 

  2200.         }

    2201. 

  2201.         elseif (($eventid >= 0x17) && ($eventid <= 0xDF))

    2202. 

  2202.         {

    2203. 

  2203.             // reserved for future use
    2204. 

  2204.             return false;

    2205. 

  2205.         }

    2206. 

  2206.         elseif (($eventid >= 0x0E) && ($eventid <= 0x16) && ($this->majorversion == 2))

    2207. 

  2207.         {

    2208. 

  2208.             // not defined in ID3v2.2
    2209. 

  2209.             return false;

    2210. 

  2210.         }

    2211. 

  2211.         elseif (($eventid >= 0x15) && ($eventid <= 0x16) && ($this->majorversion == 3))

    2212. 

  2212.         {

    2213. 

  2213.             // not defined in ID3v2.3
    2214. 

  2214.             return false;

    2215. 

  2215.         }

    2216. 

  2216.         return true;

    2217. 

  2217.     }

    2218. 

  2218. 

    2219. 

  2219.     function ID3v2IsValidSYLTtype($contenttype)

    2220. 

  2220.     {

    2221. 

  2221.         if (($contenttype >= 0) && ($contenttype <= 8) && ($this->majorversion == 4))

    2222. 

  2222.         {

    2223. 

  2223.             return true;

    2224. 

  2224.         }

    2225. 

  2225.         elseif (($contenttype >= 0) && ($contenttype <= 6) && ($this->majorversion == 3))

    2226. 

  2226.         {

    2227. 

  2227.             return true;

    2228. 

  2228.         }

    2229. 

  2229.         return false;

    2230. 

  2230.     }

    2231. 

  2231. 

    2232. 

  2232.     function ID3v2IsValidRVA2channeltype($channeltype)

    2233. 

  2233.     {

    2234. 

  2234.         if (($channeltype >= 0) && ($channeltype <= 8) && ($this->majorversion == 4))

    2235. 

  2235.         {

    2236. 

  2236.             return true;

    2237. 

  2237.         }

    2238. 

  2238.         return false;

    2239. 

  2239.     }

    2240. 

  2240. 

    2241. 

  2241.     function ID3v2IsValidAPICpicturetype($picturetype)

    2242. 

  2242.     {

    2243. 

  2243.         if (($picturetype >= 0) && ($picturetype <= 0x14) && ($this->majorversion >= 2) && ($this->majorversion <= 4))

    2244. 

  2244.         {

    2245. 

  2245.             return true;

    2246. 

  2246.         }

    2247. 

  2247.         return false;

    2248. 

  2248.     }

    2249. 

  2249. 

    2250. 

  2250.     function ID3v2IsValidAPICimageformat($imageformat)

    2251. 

  2251.     {

    2252. 

  2252.         if ($imageformat == '-->')

    2253. 

  2253.         {

    2254. 

  2254.             return true;

    2255. 

  2255.         }

    2256. 

  2256.         elseif ($this->majorversion == 2)

    2257. 

  2257.         {

    2258. 

  2258.             if ((strlen($imageformat) == 3) && ($imageformat == strtoupper($imageformat)))

    2259. 

  2259.             {

    2260. 

  2260.                 return true;

    2261. 

  2261.             }

    2262. 

  2262.         }

    2263. 

  2263.         elseif (($this->majorversion == 3) || ($this->majorversion == 4))

    2264. 

  2264.         {

    2265. 

  2265.             if ($this->IsValidMIMEstring($imageformat))

    2266. 

  2266.             {

    2267. 

  2267.                 return true;

    2268. 

  2268.             }

    2269. 

  2269.         }

    2270. 

  2270.         return false;

    2271. 

  2271.     }

    2272. 

  2272. 

    2273. 

  2273.     function ID3v2IsValidCOMRreceivedAs($receivedas)

    2274. 

  2274.     {

    2275. 

  2275.         if (($this->majorversion >= 3) && ($receivedas >= 0) && ($receivedas <= 8))

    2276. 

  2276.         {

    2277. 

  2277.             return true;

    2278. 

  2278.         }

    2279. 

  2279.         return false;

    2280. 

  2280.     }

    2281. 

  2281. 

    2282. 

  2282.     function ID3v2IsValidRGADname($RGADname)

    2283. 

  2283.     {

    2284. 

  2284.         if (($RGADname >= 0) && ($RGADname <= 2))

    2285. 

  2285.         {

    2286. 

  2286.             return true;

    2287. 

  2287.         }

    2288. 

  2288.         return false;

    2289. 

  2289.     }

    2290. 

  2290. 

    2291. 

  2291.     function ID3v2IsValidRGADoriginator($RGADoriginator)

    2292. 

  2292.     {

    2293. 

  2293.         if (($RGADoriginator >= 0) && ($RGADoriginator <= 3))

    2294. 

  2294.         {

    2295. 

  2295.             return true;

    2296. 

  2296.         }

    2297. 

  2297.         return false;

    2298. 

  2298.     }

    2299. 

  2299. 

    2300. 

  2300.     function ID3v2IsValidTextEncoding($textencodingbyte)

    2301. 

  2301.     {

    2302. 

  2302.         static $ID3v2IsValidTextEncoding_cache = array(2 => array(true, true), 3 => array(true, true), 

    2303. 

  2303.                 4 => array(true, true, true, true));

    2304. 

  2304.         return isset($ID3v2IsValidTextEncoding_cache[$this->majorversion][$textencodingbyte]);

    2305. 

  2305.     }

    2306. 

  2306. 

    2307. 

  2307.     function Unsynchronise($data)

    2308. 

  2308.     {

    2309. 

  2309.         // Whenever a false synchronisation is found within the tag, one zeroed
    2310. 

  2310.         // byte is inserted after the first false synchronisation byte. The
    2311. 

  2311.         // format of a correct sync that should be altered by ID3 encoders is as
    2312. 

  2312.         // follows:
    2313. 

  2313.         //      %11111111 111xxxxx
    2314. 

  2314.         // And should be replaced with:
    2315. 

  2315.         //      %11111111 00000000 111xxxxx
    2316. 

  2316.         // This has the side effect that all $FF 00 combinations have to be
    2317. 

  2317.         // altered, so they won't be affected by the decoding process. Therefore
    2318. 

  2318.         // all the $FF 00 combinations have to be replaced with the $FF 00 00
    2319. 

  2319.         // combination during the unsynchronisation.
    2320. 

  2320.         

    2321. 

  2321. 

    2322. 

  2322.         $data = str_replace("\xFF\x00", "\xFF\x00\x00", $data);

    2323. 

  2323.         $unsyncheddata = '';

    2324. 

  2324.         $datalength = strlen($data);

    2325. 

  2325.         for($i = 0; $i < $datalength; $i ++)

    2326. 

  2326.         {

    2327. 

  2327.             $thischar = $data{$i};

    2328. 

  2328.             $unsyncheddata .= $thischar;

    2329. 

  2329.             if ($thischar == "\xFF")

    2330. 

  2330.             {

    2331. 

  2331.                 $nextchar = ord($data{$i + 1});

    2332. 

  2332.                 if (($nextchar & 0xE0) == 0xE0)

    2333. 

  2333.                 {

    2334. 

  2334.                     // previous byte = 11111111, this byte = 111?????
    2335. 

  2335.                     $unsyncheddata .= "\x00";

    2336. 

  2336.                 }

    2337. 

  2337.             }

    2338. 

  2338.         }

    2339. 

  2339.         return $unsyncheddata;

    2340. 

  2340.     }

    2341. 

  2341. 

    2342. 

  2342.     function is_hash($var)

    2343. 

  2343.     {

    2344. 

  2344.         // written by dev-null�christophe*vg
    2345. 

  2345.         // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
    2346. 

  2346.         if (is_array($var))

    2347. 

  2347.         {

    2348. 

  2348.             $keys = array_keys($var);

    2349. 

  2349.             $all_num = true;

    2350. 

  2350.             for($i = 0; $i < count($keys); $i ++)

    2351. 

  2351.             {

    2352. 

  2352.                 if (is_string($keys[$i]))

    2353. 

  2353.                 {

    2354. 

  2354.                     return true;

    2355. 

  2355.                 }

    2356. 

  2356.             }

    2357. 

  2357.         }

    2358. 

  2358.         return false;

    2359. 

  2359.     }

    2360. 

  2360. 

    2361. 

  2361.     function array_join_merge($arr1, $arr2)

    2362. 

  2362.     {

    2363. 

  2363.         // written by dev-null�christophe*vg
    2364. 

  2364.         // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
    2365. 

  2365.         if (is_array($arr1) && is_array($arr2))

    2366. 

  2366.         {

    2367. 

  2367.             // the same -> merge
    2368. 

  2368.             $new_array = array();

    2369. 

  2369.             

    2370. 

  2370.             if ($this->is_hash($arr1) && $this->is_hash($arr2))

    2371. 

  2371.             {

    2372. 

  2372.                 // hashes -> merge based on keys
    2373. 

  2373.                 $keys = array_merge(array_keys($arr1), array_keys($arr2));

    2374. 

  2374.                 foreach ($keys as $key)

    2375. 

  2375.                 {

    2376. 

  2376.                     $new_array[$key] = $this->array_join_merge(@$arr1[$key], @$arr2[$key]);

    2377. 

  2377.                 }

    2378. 

  2378.             }

    2379. 

  2379.             else

    2380. 

  2380.             {

    2381. 

  2381.                 // two real arrays -> merge
    2382. 

  2382.                 $new_array = array_reverse(array_unique(array_reverse(array_merge($arr1, $arr2))));

    2383. 

  2383.             }

    2384. 

  2384.             return $new_array;

    2385. 

  2385.         }

    2386. 

  2386.         else

    2387. 

  2387.         {

    2388. 

  2388.             // not the same ... take new one if defined, else the old one stays
    2389. 

  2389.             return $arr2 ? $arr2 : $arr1;

    2390. 

  2390.         }

    2391. 

  2391.     }

    2392. 

  2392. 

    2393. 

  2393.     function IsValidMIMEstring($mimestring)

    2394. 

  2394.     {

    2395. 

  2395.         if ((strlen($mimestring) >= 3) && (strpos($mimestring, '/') > 0) && (strpos($mimestring, '/') < (strlen($mimestring) - 1)))

    2396. 

  2396.         {

    2397. 

  2397.             return true;

    2398. 

  2398.         }

    2399. 

  2399.         return false;

    2400. 

  2400.     }

    2401. 

  2401. 

    2402. 

  2402.     function IsWithinBitRange($number, $maxbits, $signed = false)

    2403. 

  2403.     {

    2404. 

  2404.         if ($signed)

    2405. 

  2405.         {

    2406. 

  2406.             if (($number > (0 - pow(2, $maxbits - 1))) && ($number <= pow(2, $maxbits - 1)))

    2407. 

  2407.             {

    2408. 

  2408.                 return true;

    2409. 

  2409.             }

    2410. 

  2410.         }

    2411. 

  2411.         else

    2412. 

  2412.         {

    2413. 

  2413.             if (($number >= 0) && ($number <= pow(2, $maxbits)))

    2414. 

  2414.             {

    2415. 

  2415.                 return true;

    2416. 

  2416.             }

    2417. 

  2417.         }

    2418. 

  2418.         return false;

    2419. 

  2419.     }

    2420. 

  2420. 

    2421. 

  2421.     function safe_parse_url($url)

    2422. 

  2422.     {

    2423. 

  2423.         $parts = @parse_url($url);

    2424. 

  2424.         $parts['scheme'] = (isset($parts['scheme']) ? $parts['scheme'] : '');

    2425. 

  2425.         $parts['host'] = (isset($parts['host']) ? $parts['host'] : '');

    2426. 

  2426.         $parts['user'] = (isset($parts['user']) ? $parts['user'] : '');

    2427. 

  2427.         $parts['pass'] = (isset($parts['pass']) ? $parts['pass'] : '');

    2428. 

  2428.         $parts['path'] = (isset($parts['path']) ? $parts['path'] : '');

    2429. 

  2429.         $parts['query'] = (isset($parts['query']) ? $parts['query'] : '');

    2430. 

  2430.         return $parts;

    2431. 

  2431.     }

    2432. 

  2432. 

    2433. 

  2433.     function IsValidURL($url, $allowUserPass = false)

    2434. 

  2434.     {

    2435. 

  2435.         if ($url == '')

    2436. 

  2436.         {

    2437. 

  2437.             return false;

    2438. 

  2438.         }

    2439. 

  2439.         if ($allowUserPass !== true)

    2440. 

  2440.         {

    2441. 

  2441.             if (strstr($url, '@'))

    2442. 

  2442.             {

    2443. 

  2443.                 // in the format http://user:pass@example.com  or http://user@example.com
    2444. 

  2444.                 // but could easily be somebody incorrectly entering an email address in place of a URL
    2445. 

  2445.                 return false;

    2446. 

  2446.             }

    2447. 

  2447.         }

    2448. 

  2448.         if ($parts = $this->safe_parse_url($url))

    2449. 

  2449.         {

    2450. 

  2450.             if (($parts['scheme'] != 'http') && ($parts['scheme'] != 'https') && ($parts['scheme'] != 'ftp') && ($parts['scheme'] != 'gopher'))

    2451. 

  2451.             {

    2452. 

  2452.                 return false;

    2453. 

  2453.             }

    2454. 

  2454.             elseif (! eregi("^[[:alnum:]]([-.]?[0-9a-z])*\.[a-z]{2,3}$", $parts['host'], $regs) && ! IsValidDottedIP($parts['host']))

    2455. 

  2455.             {

    2456. 

  2456.                 return false;

    2457. 

  2457.             }

    2458. 

  2458.             elseif (! eregi("^([[:alnum:]-]|[\_])*$", $parts['user'], $regs))

    2459. 

  2459.             {

    2460. 

  2460.                 return false;

    2461. 

  2461.             }

    2462. 

  2462.             elseif (! eregi("^([[:alnum:]-]|[\_])*$", $parts['pass'], $regs))

    2463. 

  2463.             {

    2464. 

  2464.                 return false;

    2465. 

  2465.             }

    2466. 

  2466.             elseif (! eregi("^[[:alnum:]/_\.@~-]*$", $parts['path'], $regs))

    2467. 

  2467.             {

    2468. 

  2468.                 return false;

    2469. 

  2469.             }

    2470. 

  2470.             elseif (! eregi("^[[:alnum:]?&=+:;_()%#/,\.-]*$", $parts['query'], $regs))

    2471. 

  2471.             {

    2472. 

  2472.                 return false;

    2473. 

  2473.             }

    2474. 

  2474.             else

    2475. 

  2475.             {

    2476. 

  2476.                 return true;

    2477. 

  2477.             }

    2478. 

  2478.         }

    2479. 

  2479.         return false;

    2480. 

  2480.     }

    2481. 

  2481. 

    2482. 

  2482.     function ID3v2ShortFrameNameLookup($majorversion, $long_description)

    2483. 

  2483.     {

    2484. 

  2484.         $long_description = str_replace(' ', '_', strtolower(trim($long_description)));

    2485. 

  2485.         static $ID3v2ShortFrameNameLookup = array();

    2486. 

  2486.         if (empty($ID3v2ShortFrameNameLookup))

    2487. 

  2487.         {

    2488. 

  2488.             

    2489. 

  2489.             // The following are unique to ID3v2.2
    2490. 

  2490.             $ID3v2ShortFrameNameLookup[2]['comment'] = 'COM';

    2491. 

  2491.             $ID3v2ShortFrameNameLookup[2]['album'] = 'TAL';

    2492. 

  2492.             $ID3v2ShortFrameNameLookup[2]['beats_per_minute'] = 'TBP';

    2493. 

  2493.             $ID3v2ShortFrameNameLookup[2]['composer'] = 'TCM';

    2494. 

  2494.             $ID3v2ShortFrameNameLookup[2]['genre'] = 'TCO';

    2495. 

  2495.             $ID3v2ShortFrameNameLookup[2]['itunescompilation'] = 'TCP';

    2496. 

  2496.             $ID3v2ShortFrameNameLookup[2]['copyright'] = 'TCR';

    2497. 

  2497.             $ID3v2ShortFrameNameLookup[2]['encoded_by'] = 'TEN';

    2498. 

  2498.             $ID3v2ShortFrameNameLookup[2]['language'] = 'TLA';

    2499. 

  2499.             $ID3v2ShortFrameNameLookup[2]['length'] = 'TLE';

    2500. 

  2500.             $ID3v2ShortFrameNameLookup[2]['original_artist'] = 'TOA';

    2501. 

  2501.             $ID3v2ShortFrameNameLookup[2]['original_filename'] = 'TOF';

    2502. 

  2502.             $ID3v2ShortFrameNameLookup[2]['original_lyricist'] = 'TOL';

    2503. 

  2503.             $ID3v2ShortFrameNameLookup[2]['original_album_title'] = 'TOT';

    2504. 

  2504.             $ID3v2ShortFrameNameLookup[2]['artist'] = 'TP1';

    2505. 

  2505.             $ID3v2ShortFrameNameLookup[2]['band'] = 'TP2';

    2506. 

  2506.             $ID3v2ShortFrameNameLookup[2]['conductor'] = 'TP3';

    2507. 

  2507.             $ID3v2ShortFrameNameLookup[2]['remixer'] = 'TP4';

    2508. 

  2508.             $ID3v2ShortFrameNameLookup[2]['publisher'] = 'TPB';

    2509. 

  2509.             $ID3v2ShortFrameNameLookup[2]['isrc'] = 'TRC';

    2510. 

  2510.             $ID3v2ShortFrameNameLookup[2]['tracknumber'] = 'TRK';

    2511. 

  2511.             $ID3v2ShortFrameNameLookup[2]['size'] = 'TSI';

    2512. 

  2512.             $ID3v2ShortFrameNameLookup[2]['encoder_settings'] = 'TSS';

    2513. 

  2513.             $ID3v2ShortFrameNameLookup[2]['description'] = 'TT1';

    2514. 

  2514.             $ID3v2ShortFrameNameLookup[2]['title'] = 'TT2';

    2515. 

  2515.             $ID3v2ShortFrameNameLookup[2]['subtitle'] = 'TT3';

    2516. 

  2516.             $ID3v2ShortFrameNameLookup[2]['lyricist'] = 'TXT';

    2517. 

  2517.             $ID3v2ShortFrameNameLookup[2]['user_text'] = 'TXX';

    2518. 

  2518.             $ID3v2ShortFrameNameLookup[2]['year'] = 'TYE';

    2519. 

  2519.             $ID3v2ShortFrameNameLookup[2]['unique_file_identifier'] = 'UFI';

    2520. 

  2520.             $ID3v2ShortFrameNameLookup[2]['unsynchronised_lyrics'] = 'ULT';

    2521. 

  2521.             $ID3v2ShortFrameNameLookup[2]['url_file'] = 'WAF';

    2522. 

  2522.             $ID3v2ShortFrameNameLookup[2]['url_artist'] = 'WAR';

    2523. 

  2523.             $ID3v2ShortFrameNameLookup[2]['url_source'] = 'WAS';

    2524. 

  2524.             $ID3v2ShortFrameNameLookup[2]['copyright_information'] = 'WCP';

    2525. 

  2525.             $ID3v2ShortFrameNameLookup[2]['url_publisher'] = 'WPB';

    2526. 

  2526.             $ID3v2ShortFrameNameLookup[2]['url_user'] = 'WXX';

    2527. 

  2527.             

    2528. 

  2528.             // The following are common to ID3v2.3 and ID3v2.4
    2529. 

  2529.             $ID3v2ShortFrameNameLookup[3]['audio_encryption'] = 'AENC';

    2530. 

  2530.             $ID3v2ShortFrameNameLookup[3]['attached_picture'] = 'APIC';

    2531. 

  2531.             $ID3v2ShortFrameNameLookup[3]['comment'] = 'COMM';

    2532. 

  2532.             $ID3v2ShortFrameNameLookup[3]['commercial'] = 'COMR';

    2533. 

  2533.             $ID3v2ShortFrameNameLookup[3]['encryption_method_registration'] = 'ENCR';

    2534. 

  2534.             $ID3v2ShortFrameNameLookup[3]['event_timing_codes'] = 'ETCO';

    2535. 

  2535.             $ID3v2ShortFrameNameLookup[3]['general_encapsulated_object'] = 'GEOB';

    2536. 

  2536.             $ID3v2ShortFrameNameLookup[3]['group_identification_registration'] = 'GRID';

    2537. 

  2537.             $ID3v2ShortFrameNameLookup[3]['linked_information'] = 'LINK';

    2538. 

  2538.             $ID3v2ShortFrameNameLookup[3]['music_cd_identifier'] = 'MCDI';

    2539. 

  2539.             $ID3v2ShortFrameNameLookup[3]['mpeg_location_lookup_table'] = 'MLLT';

    2540. 

  2540.             $ID3v2ShortFrameNameLookup[3]['ownership'] = 'OWNE';

    2541. 

  2541.             $ID3v2ShortFrameNameLookup[3]['play_counter'] = 'PCNT';

    2542. 

  2542.             $ID3v2ShortFrameNameLookup[3]['popularimeter'] = 'POPM';

    2543. 

  2543.             $ID3v2ShortFrameNameLookup[3]['position_synchronisation'] = 'POSS';

    2544. 

  2544.             $ID3v2ShortFrameNameLookup[3]['private'] = 'PRIV';

    2545. 

  2545.             $ID3v2ShortFrameNameLookup[3]['recommended_buffer_size'] = 'RBUF';

    2546. 

  2546.             $ID3v2ShortFrameNameLookup[3]['reverb'] = 'RVRB';

    2547. 

  2547.             $ID3v2ShortFrameNameLookup[3]['synchronised_lyrics'] = 'SYLT';

    2548. 

  2548.             $ID3v2ShortFrameNameLookup[3]['synchronised_tempo_codes'] = 'SYTC';

    2549. 

  2549.             $ID3v2ShortFrameNameLookup[3]['album'] = 'TALB';

    2550. 

  2550.             $ID3v2ShortFrameNameLookup[3]['beats_per_minute'] = 'TBPM';

    2551. 

  2551.             $ID3v2ShortFrameNameLookup[3]['itunescompilation'] = 'TCMP';

    2552. 

  2552.             $ID3v2ShortFrameNameLookup[3]['composer'] = 'TCOM';

    2553. 

  2553.             $ID3v2ShortFrameNameLookup[3]['genre'] = 'TCON';

    2554. 

  2554.             $ID3v2ShortFrameNameLookup[3]['copyright'] = 'TCOP';

    2555. 

  2555.             $ID3v2ShortFrameNameLookup[3]['playlist_delay'] = 'TDLY';

    2556. 

  2556.             $ID3v2ShortFrameNameLookup[3]['encoded_by'] = 'TENC';

    2557. 

  2557.             $ID3v2ShortFrameNameLookup[3]['lyricist'] = 'TEXT';

    2558. 

  2558.             $ID3v2ShortFrameNameLookup[3]['file_type'] = 'TFLT';

    2559. 

  2559.             $ID3v2ShortFrameNameLookup[3]['content_group_description'] = 'TIT1';

    2560. 

  2560.             $ID3v2ShortFrameNameLookup[3]['title'] = 'TIT2';

    2561. 

  2561.             $ID3v2ShortFrameNameLookup[3]['subtitle'] = 'TIT3';

    2562. 

  2562.             $ID3v2ShortFrameNameLookup[3]['initial_key'] = 'TKEY';

    2563. 

  2563.             $ID3v2ShortFrameNameLookup[3]['language'] = 'TLAN';

    2564. 

  2564.             $ID3v2ShortFrameNameLookup[3]['length'] = 'TLEN';

    2565. 

  2565.             $ID3v2ShortFrameNameLookup[3]['media_type'] = 'TMED';

    2566. 

  2566.             $ID3v2ShortFrameNameLookup[3]['original_album_title'] = 'TOAL';

    2567. 

  2567.             $ID3v2ShortFrameNameLookup[3]['original_filename'] = 'TOFN';

    2568. 

  2568.             $ID3v2ShortFrameNameLookup[3]['original_lyricist'] = 'TOLY';

    2569. 

  2569.             $ID3v2ShortFrameNameLookup[3]['original_artist'] = 'TOPE';

    2570. 

  2570.             $ID3v2ShortFrameNameLookup[3]['file_owner'] = 'TOWN';

    2571. 

  2571.             $ID3v2ShortFrameNameLookup[3]['artist'] = 'TPE1';

    2572. 

  2572.             $ID3v2ShortFrameNameLookup[3]['band'] = 'TPE2';

    2573. 

  2573.             $ID3v2ShortFrameNameLookup[3]['conductor'] = 'TPE3';

    2574. 

  2574.             $ID3v2ShortFrameNameLookup[3]['remixer'] = 'TPE4';

    2575. 

  2575.             $ID3v2ShortFrameNameLookup[3]['part_of_a_set'] = 'TPOS';

    2576. 

  2576.             $ID3v2ShortFrameNameLookup[3]['publisher'] = 'TPUB';

    2577. 

  2577.             $ID3v2ShortFrameNameLookup[3]['tracknumber'] = 'TRCK';

    2578. 

  2578.             $ID3v2ShortFrameNameLookup[3]['internet_radio_station_name'] = 'TRSN';

    2579. 

  2579.             $ID3v2ShortFrameNameLookup[3]['internet_radio_station_owner'] = 'TRSO';

    2580. 

  2580.             $ID3v2ShortFrameNameLookup[3]['isrc'] = 'TSRC';

    2581. 

  2581.             $ID3v2ShortFrameNameLookup[3]['encoder_settings'] = 'TSSE';

    2582. 

  2582.             $ID3v2ShortFrameNameLookup[3]['user_text'] = 'TXXX';

    2583. 

  2583.             $ID3v2ShortFrameNameLookup[3]['unique_file_identifier'] = 'UFID';

    2584. 

  2584.             $ID3v2ShortFrameNameLookup[3]['terms_of_use'] = 'USER';

    2585. 

  2585.             $ID3v2ShortFrameNameLookup[3]['unsynchronised_lyrics'] = 'USLT';

    2586. 

  2586.             $ID3v2ShortFrameNameLookup[3]['commercial'] = 'WCOM';

    2587. 

  2587.             $ID3v2ShortFrameNameLookup[3]['copyright_information'] = 'WCOP';

    2588. 

  2588.             $ID3v2ShortFrameNameLookup[3]['url_file'] = 'WOAF';

    2589. 

  2589.             $ID3v2ShortFrameNameLookup[3]['url_artist'] = 'WOAR';

    2590. 

  2590.             $ID3v2ShortFrameNameLookup[3]['url_source'] = 'WOAS';

    2591. 

  2591.             $ID3v2ShortFrameNameLookup[3]['url_station'] = 'WORS';

    2592. 

  2592.             $ID3v2ShortFrameNameLookup[3]['payment'] = 'WPAY';

    2593. 

  2593.             $ID3v2ShortFrameNameLookup[3]['url_publisher'] = 'WPUB';

    2594. 

  2594.             $ID3v2ShortFrameNameLookup[3]['url_user'] = 'WXXX';

    2595. 

  2595.             

    2596. 

  2596.             // The above are common to ID3v2.3 and ID3v2.4
    2597. 

  2597.             // so copy them to ID3v2.4 before adding specifics for 2.3 and 2.4
    2598. 

  2598.             $ID3v2ShortFrameNameLookup[4] = $ID3v2ShortFrameNameLookup[3];

    2599. 

  2599.             

    2600. 

  2600.             // The following are unique to ID3v2.3
    2601. 

  2601.             $ID3v2ShortFrameNameLookup[3]['equalisation'] = 'EQUA';

    2602. 

  2602.             $ID3v2ShortFrameNameLookup[3]['involved_people_list'] = 'IPLS';

    2603. 

  2603.             $ID3v2ShortFrameNameLookup[3]['relative_volume_adjustment'] = 'RVAD';

    2604. 

  2604.             $ID3v2ShortFrameNameLookup[3]['date'] = 'TDAT';

    2605. 

  2605.             $ID3v2ShortFrameNameLookup[3]['time'] = 'TIME';

    2606. 

  2606.             $ID3v2ShortFrameNameLookup[3]['original_release_year'] = 'TORY';

    2607. 

  2607.             $ID3v2ShortFrameNameLookup[3]['recording_dates'] = 'TRDA';

    2608. 

  2608.             $ID3v2ShortFrameNameLookup[3]['size'] = 'TSIZ';

    2609. 

  2609.             $ID3v2ShortFrameNameLookup[3]['year'] = 'TYER';

    2610. 

  2610.             

    2611. 

  2611.             // The following are unique to ID3v2.4
    2612. 

  2612.             $ID3v2ShortFrameNameLookup[4]['audio_seek_point_index'] = 'ASPI';

    2613. 

  2613.             $ID3v2ShortFrameNameLookup[4]['equalisation'] = 'EQU2';

    2614. 

  2614.             $ID3v2ShortFrameNameLookup[4]['relative_volume_adjustment'] = 'RVA2';

    2615. 

  2615.             $ID3v2ShortFrameNameLookup[4]['seek'] = 'SEEK';

    2616. 

  2616.             $ID3v2ShortFrameNameLookup[4]['signature'] = 'SIGN';

    2617. 

  2617.             $ID3v2ShortFrameNameLookup[4]['encoding_time'] = 'TDEN';

    2618. 

  2618.             $ID3v2ShortFrameNameLookup[4]['original_release_time'] = 'TDOR';

    2619. 

  2619.             $ID3v2ShortFrameNameLookup[4]['recording_time'] = 'TDRC';

    2620. 

  2620.             $ID3v2ShortFrameNameLookup[4]['release_time'] = 'TDRL';

    2621. 

  2621.             $ID3v2ShortFrameNameLookup[4]['tagging_time'] = 'TDTG';

    2622. 

  2622.             $ID3v2ShortFrameNameLookup[4]['involved_people_list'] = 'TIPL';

    2623. 

  2623.             $ID3v2ShortFrameNameLookup[4]['musician_credits_list'] = 'TMCL';

    2624. 

  2624.             $ID3v2ShortFrameNameLookup[4]['mood'] = 'TMOO';

    2625. 

  2625.             $ID3v2ShortFrameNameLookup[4]['produced_notice'] = 'TPRO';

    2626. 

  2626.             $ID3v2ShortFrameNameLookup[4]['album_sort_order'] = 'TSOA';

    2627. 

  2627.             $ID3v2ShortFrameNameLookup[4]['performer_sort_order'] = 'TSOP';

    2628. 

  2628.             $ID3v2ShortFrameNameLookup[4]['title_sort_order'] = 'TSOT';

    2629. 

  2629.             $ID3v2ShortFrameNameLookup[4]['set_subtitle'] = 'TSST';

    2630. 

  2630.         }

    2631. 

  2631.         return @$ID3v2ShortFrameNameLookup[$majorversion][strtolower($long_description)];

    2632. 

  2632.     

    2633. 

  2633.     }

    2634. 

  2634. 

    2635. 

  2635. }

    2636. 

  2636. 

    2637. 

  2637. ?>
    2638. 

  2638.