PageRenderTime 57ms CodeModel.GetById 25ms RepoModel.GetById 0ms app.codeStats 0ms

/wordpress/plugins/post-plugin-library/common_functions.php

https://github.com/prabhu/desistartups
PHP | 511 lines | 406 code | 45 blank | 60 comment | 134 complexity | 926df4e3797d8b6d45657bfa815c8fec MD5 | raw file
    

  1. <?php

    2. 

  2. 

    3. 

  3. /*

    4. 

  4. 

    5. 

  5. 	Library for the Recent Posts, Random Posts, Recent Comments, and Similar Posts plugins

    6. 

  6. 	-- provides the routines which the plugins share

    7. 

  7. 

    8. 

  8. */

    9. 

  9. 

    10. 

  10. define('CF_LIBRARY', true);

    11. 

  11. 

    12. 

  12. function ppl_parse_args($args) {

    13. 

  13. 	// 	$args is of the form 'key1=val1&key2=val2'

    14. 

  14. 	//	The code copes with null values, e.g., 'key1=&key2=val2' 

    15. 

  15. 	//	and arguments with embedded '=', e.g. 'output_template=<li class="stuff">{...}</li>'.

    16. 

  16. 	if($args){

    17. 

  17. 		// the default separator is '&' but you may wish to include the character in a title, say,

    18. 

  18. 		// so you can specify an alternative separator by making the first character of $args

    19. 

  19. 		// '&' and the second character your new separator...

    20. 

  20. 		if (substr($args, 0, 1) === '&') {

    21. 

  21. 			$s = substr($args, 1, 1);

    22. 

  22. 			$args = substr($args, 2);

    23. 

  23. 		} else {

    24. 

  24. 			$s = '&';

    25. 

  25. 		}

    26. 

  26. 		// separate the arguments into key=value pairs

    27. 

  27. 		$arguments = explode($s, $args);

    28. 

  28. 		foreach($arguments as $arg){

    29. 

  29. 			if($arg){

    30. 

  30. 				// find the position of the first '='

    31. 

  31. 				$i = strpos($arg, '=');

    32. 

  32. 				// if not a valid format ('key=value) we ignore it

    33. 

  33. 				if ($i){

    34. 

  34. 					$key = substr($arg, 0, $i);

    35. 

  35. 					$val = substr($arg, $i+1); 

    36. 

  36. 					$result[$key]=$val;

    37. 

  37. 				}

    38. 

  38. 			}

    39. 

  39. 		}

    40. 

  40. 	}

    41. 

  41. 	return $result;

    42. 

  42. }

    43. 

  43. 

    44. 

  44. function ppl_set_options($option_key, $arg, $default_output_template) {

    45. 

  45. 	$options = get_option($option_key);

    46. 

  46. 	// deal with compound options

    47. 

  47. 	if (isset($arg['custom-key'])) {$arg['custom']['key'] = $arg['custom-key']; unset($arg['custom-key']);}

    48. 

  48. 	if (isset($arg['custom-op'])) {$arg['custom']['op'] = $arg['custom-op']; unset($arg['custom-op']);}

    49. 

  49. 	if (isset($arg['custom-value'])) {$arg['custom']['value'] = $arg['custom-value']; unset($arg['custom-value']);}

    50. 

  50. 	if (isset($arg['age-direction'])) {$arg['age']['direction'] = $arg['age-direction']; unset($arg['age-direction']);}

    51. 

  51. 	if (isset($arg['age-length'])) {$arg['age']['length'] = $arg['age-length']; unset($arg['age-length']);}

    52. 

  52. 	if (isset($arg['age-duration'])) {$arg['age']['duration'] = $arg['age-duration']; unset($arg['age-duration']);}

    53. 

  53. 	// then fill in the defaults

    54. 

  54. 	if (!isset($arg['limit'])) $arg['limit'] = stripslashes($options['limit']);

    55. 

  55. 	if (!isset($arg['skip'])) $arg['skip'] = stripslashes($options['skip']);

    56. 

  56. 	if (!isset($arg['trim_before'])) $arg['trim_before'] = stripslashes($options['trim_before']);

    57. 

  57. 	if (!isset($arg['omit_current_post'])) $arg['omit_current_post'] = $options['omit_current_post'];

    58. 

  58. 	if (!isset($arg['show_private'])) $arg['show_private'] = $options['show_private'];

    59. 

  59. 	if (!isset($arg['show_pages'])) $arg['show_pages'] = $options['show_pages'];

    60. 

  60. 	if (!isset($arg['none_text'])) $arg['none_text'] = stripslashes($options['none_text']);

    61. 

  61. 	if (!isset($arg['no_text'])) $arg['no_text'] = $options['no_text'];

    62. 

  62. 	if (!isset($arg['tag_str'])) $arg['tag_str'] = stripslashes($options['tag_str']);

    63. 

  63. 	if (!isset($arg['excluded_cats'])) $arg['excluded_cats'] = stripslashes($options['excluded_cats']);

    64. 

  64. 	if (!isset($arg['included_cats'])) $arg['included_cats'] = stripslashes($options['included_cats']);

    65. 

  65. 	if (!isset($arg['excluded_authors'])) $arg['excluded_authors'] = stripslashes($options['excluded_authors']);

    66. 

  66. 	if (!isset($arg['included_authors'])) $arg['included_authors'] = stripslashes($options['included_authors']);

    67. 

  67. 	if (!isset($arg['excluded_posts'])) $arg['excluded_posts'] = stripslashes($options['excluded_posts']);

    68. 

  68. 	if (!isset($arg['included_posts'])) $arg['included_posts'] = stripslashes($options['included_posts']);

    69. 

  69. 	if (!isset($arg['stripcodes'])) $arg['stripcodes'] = $options['stripcodes'];

    70. 

  70. 	if (!isset($arg['prefix'])) $arg['prefix'] = stripslashes($options['prefix']);

    71. 

  71. 	if (!isset($arg['suffix'])) $arg['suffix'] = stripslashes($options['suffix']);

    72. 

  72. 	if (!isset($arg['output_template'])) $arg['output_template'] = stripslashes($options['output_template']);

    73. 

  73. 	// an empty output_template makes no sense so we fall back to the default

    74. 

  74. 	if ($arg['output_template'] == '') $arg['output_template'] = $default_output_template;

    75. 

  75. 	if (!isset($arg['match_cat'])) $arg['match_cat'] = $options['match_cat'];

    76. 

  76. 	if (!isset($arg['match_tags'])) $arg['match_tags'] = $options['match_tags'];

    77. 

  77. 	if (!isset($arg['age'])) $arg['age'] = $options['age'];

    78. 

  78. 	if (!isset($arg['custom'])) $arg['custom'] = $options['custom'];

    79. 

  79. 	

    80. 

  80. 	// just for recent_comments

    81. 

  81. 	if (!isset($arg['group_by'])) $arg['group_by'] = $options['group_by'];

    82. 

  82. 	if (!isset($arg['group_template'])) $arg['group_template'] = stripslashes($options['group_template']);

    83. 

  83. 	if (!isset($arg['show_type'])) $arg['show_type'] = $options['show_type'];

    84. 

  84. 	if (!isset($arg['no_author_comments'])) $arg['no_author_comments'] = $options['no_author_comments'];

    85. 

  85. 	if (!isset($arg['no_user_comments'])) $arg['no_user_comments'] = $options['no_user_comments'];

    86. 

  86. 

    87. 

  87. 	// just for similar_posts[feed]

    88. 

  88. 	if (!isset($arg['combine'])) $arg['combine'] = $options['crossmatch'];

    89. 

  89. 	if (!isset($arg['weight_content'])) $arg['weight_content'] = $options['weight_content'];

    90. 

  90. 	if (!isset($arg['weight_title'])) $arg['weight_title'] = $options['weight_title'];

    91. 

  91. 	if (!isset($arg['weight_tags'])) $arg['weight_tags'] = $options['weight_tags'];

    92. 

  92. 	if (!isset($arg['num_terms'])) $arg['num_terms'] = stripslashes($options['num_terms']);

    93. 

  93. 	// the last options cannot be set via arguments

    94. 

  94. 	$arg['stripcodes'] = $options['stripcodes'];

    95. 

  95. 	$arg['utf8'] = $options['utf8'];

    96. 

  96. 	$arg['use_stemmer'] = $options['use_stemmer'];

    97. 

  97. 	$arg['batch'] = $options['batch'];

    98. 

  98. 	//$arg['use_freq'] = $options['use_freq'];

    99. 

  99. 	$arg['content_filter'] = $options['content_filter'];

    100. 

  100. 	

    101. 

  101. 	return $arg;

    102. 

  102. }

    103. 

  103. 

    104. 

  104. function ppl_prepare_template($template) {

    105. 

  105. 	// Now we process the output_template to find the embedded tags which are to be replaced

    106. 

  106. 	// with values taken from the database.

    107. 

  107. 	// A tag is of the form, {tag:ext}, where the tag part will be evaluated and replaced 

    108. 

  108. 	// and the optional ext part provides extra data pertinent to that tag

    109. 

  109. 	preg_match_all('/{((?:[^{}]|{[^{}]*})*)}/', $template, $matches);	

    110. 

  110. 	foreach ($matches[1] as $match) {

    111. 

  111. 		list($tag, $ext) = explode(':', $match, 2);

    112. 

  112. 		$action = output_tag_action($tag);

    113. 

  113. 		if (function_exists($action)) {

    114. 

  114. 			// store the action that instantiates the tag

    115. 

  115. 			$translations['acts'][] = $action;		

    116. 

  116. 			// add the tag in a form ready to use in translation later

    117. 

  117. 			$translations['fulltags'][] = '{'.$match.'}';

    118. 

  118. 			// the extra data if any

    119. 

  119. 			$translations['exts'][] = $ext;

    120. 

  120. 		}

    121. 

  121. 	}	

    122. 

  122. 	return $translations;

    123. 

  123. }

    124. 

  124. 		

    125. 

  125. function xppl_prepare_template($template) {

    126. 

  126. 	// Now we process the output_template to find the embedded tags which are to be replaced

    127. 

  127. 	// with values taken from the database.

    128. 

  128. 	// A tag is of the form, {tag:ext}, where the tag part will be evaluated and replaced 

    129. 

  129. 	// and the optional ext part provides extra data pertinent to that tag

    130. 

  130. 	preg_match_all('/{(.+?)}/', $template, $matches);	

    131. 

  131. 	foreach ($matches[0] as $match) {

    132. 

  132. 		list($tag, $ext) = explode(':', trim($match, '{}'), 2);

    133. 

  133. 		$action = output_tag_action($tag);

    134. 

  134. 		if (function_exists($action)) {

    135. 

  135. 			// store the action that instantiates the tag

    136. 

  136. 			$translations['acts'][] = $action;		

    137. 

  137. 			// add the tag in a form ready to use in translation later

    138. 

  138. 			$translations['fulltags'][] = $match;

    139. 

  139. 			// the extra data if any

    140. 

  140. 			$translations['exts'][] = $ext;

    141. 

  141. 		}

    142. 

  142. 	}	

    143. 

  143. 	return $translations;

    144. 

  144. }

    145. 

  145. 		

    146. 

  146. function ppl_expand_template($result, $template, $translations, $option_key) {

    147. 

  147. 	global $wpdb, $wp_version;

    148. 

  148. 	$replacements = array();

    149. 

  149. 	$numtags = count($translations['fulltags']);

    150. 

  150. 	for ($i = 0; $i < $numtags; $i++) {

    151. 

  151. 		$fulltag = $translations['fulltags'][$i];

    152. 

  152. 		$act = $translations['acts'][$i];

    153. 

  153. 		$ext = $translations['exts'][$i];

    154. 

  154. 		$replacements[$fulltag] = $act($option_key, $result, $ext);

    155. 

  155. 	}

    156. 

  156. 	// Replace every valid tag with its value

    157. 

  157. 	$tmp = strtr($template, $replacements)."\n";

    158. 

  158. 	return $tmp;

    159. 

  159. }

    160. 

  160. 

    161. 

  161. /*

    162. 

  162. 

    163. 

  163. 	Functions to fill in the WHERE part of the workhorse SQL

    164. 

  164. 	

    165. 

  165. */

    166. 

  166. 

    167. 

  167. function where_match_tags($match_tags) {

    168. 

  168. 	global $wpdb, $wp_version, $post;

    169. 

  169. 	$args = array('fields' => 'ids');

    170. 

  170. 	$tag_ids = wp_get_object_terms($post->ID, 'post_tag', $args);

    171. 

  171. 	if ( is_array($tag_ids) && count($tag_ids) > 0 )  {

    172. 

  172. 		if ($match_tags === 'any') {

    173. 

  173. 			$ids = get_objects_in_term($tag_ids, 'post_tag');

    174. 

  174. 		} else {

    175. 

  175. 			$ids = array();

    176. 

  176. 			foreach ($tag_ids as $tag_id){

    177. 

  177. 				if (count($ids) > 0) {

    178. 

  178. 					$ids = array_intersect($ids, get_objects_in_term($tag_id, 'post_tag'));

    179. 

  179. 				} else {

    180. 

  180. 					$ids = get_objects_in_term($tag_id, 'post_tag');

    181. 

  181. 				}	

    182. 

  182. 			}	

    183. 

  183. 		}

    184. 

  184. 		if ( is_array($ids) && count($ids) > 0 ) {

    185. 

  185. 			$ids = array_unique($ids);

    186. 

  186. 			$out_posts = "'" . implode("', '", $ids) . "'";

    187. 

  187. 			$sql = "$wpdb->posts.ID IN ($out_posts)";

    188. 

  188. 		} 

    189. 

  189. 	} else {

    190. 

  190. 		$sql = "1 = 2";

    191. 

  191. 	}

    192. 

  192. 	return $sql;

    193. 

  193. }

    194. 

  194. 

    195. 

  195. function where_show_pages($show_pages) {

    196. 

  196. 	global $wp_version;

    197. 

  197. 	if ($wp_version < 2.1) {

    198. 

  198. 		if ($show_pages === 'true') $sql = "post_status IN ('publish', 'static')";

    199. 

  199. 		else if ($show_pages === 'false') $sql = "post_status = 'publish'";

    200. 

  200. 		else if ($show_pages === 'but') $sql = "post_status = 'static'";

    201. 

  201. 	} else {

    202. 

  202. 		if ($show_pages === 'true') $sql = "post_status='publish' AND post_type IN ('page', 'post')";

    203. 

  203. 		else if ($show_pages === 'false') $sql = "post_status='publish' AND post_type='post'";

    204. 

  204. 		else if ($show_pages === 'but') $sql = "post_status='publish' AND post_type='page'";

    205. 

  205. 	}

    206. 

  206. 	return $sql;

    207. 

  207. }

    208. 

  208. 

    209. 

  209. // a replacement, for WP < 2.3, ONLY category children

    210. 

  210. if (!function_exists('get_term_children')) {

    211. 

  211. 	function get_term_children($term, $taxonomy) {

    212. 

  212. 		if ($taxonomies !== 'category') return array();

    213. 

  213. 		return get_categories('child_of='.$term);

    214. 

  214. 	}

    215. 

  215. }

    216. 

  216. 

    217. 

  217. 

    218. 

  218. // a replacement, for WP < 2.3, ONLY to get posts with given category IDs

    219. 

  219. if (!function_exists('get_objects_in_term')) {

    220. 

  220. 	function get_objects_in_term($terms, $taxonomies) {

    221. 

  221. 		global $wpdb;

    222. 

  222. 		if ($taxonomies !== 'category') return array();

    223. 

  223. 		$terms = "'" . implode("', '", $terms) . "'";

    224. 

  224. 		$object_ids = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE category_id IN ($terms)");

    225. 

  225. 		if (!$object_ids) return array();

    226. 

  226. 		return $object_ids;

    227. 

  227. 	}

    228. 

  228. }

    229. 

  229. 

    230. 

  230. function where_match_category() {

    231. 

  231. 	global $wpdb, $wp_version;

    232. 

  232. 	$cat_ids = '';

    233. 

  233. 	foreach(get_the_category() as $cat) {

    234. 

  234. 		if ($cat->cat_ID) $cat_ids .= $cat->cat_ID . ',';

    235. 

  235. 	}

    236. 

  236. 	$cat_ids = rtrim($cat_ids, ',');

    237. 

  237. 	$catarray = explode(',', $cat_ids);

    238. 

  238. 	foreach ( $catarray as $cat ) {

    239. 

  239. 		$catarray = array_merge($catarray, get_term_children($cat, 'category'));

    240. 

  240. 	}

    241. 

  241. 	$catarray = array_unique($catarray);

    242. 

  242. 	$ids = get_objects_in_term($catarray, 'category');

    243. 

  243. 	$ids = array_unique($ids);

    244. 

  244. 	if ( is_array($ids) && count($ids) > 0 ) {

    245. 

  245. 		$out_posts = "'" . implode("', '", $ids) . "'";

    246. 

  246. 		$sql = "$wpdb->posts.ID IN ($out_posts)";

    247. 

  247. 	} else {

    248. 

  248. 		$sql = "1 = 2";

    249. 

  249. 	}

    250. 

  250. 	return $sql;

    251. 

  251. }

    252. 

  252. 

    253. 

  253. function where_included_cats($included_cats) {

    254. 

  254. 	global $wpdb, $wp_version;

    255. 

  255. 	$catarray = explode(',', $included_cats);

    256. 

  256. 	foreach ( $catarray as $cat ) {

    257. 

  257. 		$catarray = array_merge($catarray, get_term_children($cat, 'category'));

    258. 

  258. 	}

    259. 

  259. 	$catarray = array_unique($catarray);

    260. 

  260. 	$ids = get_objects_in_term($catarray, 'category');

    261. 

  261. 	if ( is_array($ids) && count($ids) > 0 ) {

    262. 

  262. 		$ids = array_unique($ids);

    263. 

  263. 		$in_posts = "'" . implode("', '", $ids) . "'";

    264. 

  264. 		$sql = "$wpdb->posts.ID IN ($in_posts)";

    265. 

  265. 	}

    266. 

  266. 	return $sql;	

    267. 

  267. }

    268. 

  268. 

    269. 

  269. function where_excluded_cats($excluded_cats) {

    270. 

  270. 	global $wpdb, $wp_version;

    271. 

  271. 	$catarray = explode(',', $excluded_cats);

    272. 

  272. 	foreach ( $catarray as $cat ) {

    273. 

  273. 		$catarray = array_merge($catarray, get_term_children($cat, 'category'));

    274. 

  274. 	}

    275. 

  275. 	$catarray = array_unique($catarray);

    276. 

  276. 	$ids = get_objects_in_term($catarray, 'category');

    277. 

  277. 	if ( is_array($ids) && count($ids) > 0 ) {

    278. 

  278. 		$out_posts = "'" . implode("', '", $ids) . "'";

    279. 

  279. 		$sql = "$wpdb->posts.ID NOT IN ($out_posts)";

    280. 

  280. 	}

    281. 

  281. 	return $sql;

    282. 

  282. } 

    283. 

  283. 

    284. 

  284. function where_excluded_authors($excluded_authors){

    285. 

  285. 	return "post_author NOT IN ( $excluded_authors )";

    286. 

  286. }

    287. 

  287. 

    288. 

  288. function where_included_authors($included_authors){

    289. 

  289. 	return "post_author IN ( $included_authors )";

    290. 

  290. }

    291. 

  291. 

    292. 

  292. function where_excluded_posts($excluded_posts) {

    293. 

  293. 	return "ID NOT IN ( $excluded_posts )";

    294. 

  294. }

    295. 

  295. 

    296. 

  296. function where_included_posts($included_posts) {

    297. 

  297. 	return "ID IN ( $included_posts )";

    298. 

  298. }

    299. 

  299. 

    300. 

  300. function where_tag_str($tag_str) {

    301. 

  301. 	global $wpdb;

    302. 

  302. 	if ( strpos($tag_str, ',') !== false ) {

    303. 

  303. 		$intags = explode(',', $tag_str);

    304. 

  304. 		foreach ( (array) $intags as $tag ) {

    305. 

  305. 			$tags[] = sanitize_term_field('name', $tag, 0, 'post_tag', 'db');

    306. 

  306. 		}

    307. 

  307. 		$tag_type = 'any';

    308. 

  308. 	} else if ( strpos($tag_str, '+') !== false ) {

    309. 

  309. 		$intags = explode('+', $tag_str);

    310. 

  310. 		foreach ( (array) $intags as $tag ) {

    311. 

  311. 			$tags[] = sanitize_term_field('name', $tag, 0, 'post_tag', 'db');

    312. 

  312. 		}

    313. 

  313. 		$tag_type = 'all';

    314. 

  314. 	} else {

    315. 

  315. 		$tags[] = sanitize_term_field('name', $tag_str, 0, 'post_tag', 'db');

    316. 

  316. 		$tag_type = 'any';

    317. 

  317. 	}

    318. 

  318. 	$ids = array();

    319. 

  319. 	if ($tag_type == 'any') {

    320. 

  320. 		foreach ($tags as $tag){

    321. 

  321. 			if (is_term($tag, 'post_tag')) {

    322. 

  322. 				$t = get_term_by('name', $tag, 'post_tag');

    323. 

  323. 				$ids = array_merge($ids, get_objects_in_term($t->term_id, 'post_tag'));

    324. 

  324. 			}	

    325. 

  325. 		}	

    326. 

  326. 	} else {

    327. 

  327. 		foreach ($tags as $tag){

    328. 

  328. 			if (is_term($tag, 'post_tag')) {

    329. 

  329. 				$t = get_term_by('name', $tag, 'post_tag');

    330. 

  330. 				if (count($ids) > 0) {

    331. 

  331. 					$ids = array_intersect($ids, get_objects_in_term($t->term_id, 'post_tag'));

    332. 

  332. 				} else {

    333. 

  333. 					$ids = get_objects_in_term($t->term_id, 'post_tag');

    334. 

  334. 				}

    335. 

  335. 			}	

    336. 

  336. 		}	

    337. 

  337. 	}

    338. 

  338. 	if ( is_array($ids) && count($ids) > 0 ) {

    339. 

  339. 		$ids = array_unique($ids);

    340. 

  340. 		$out_posts = "'" . implode("', '", $ids) . "'";

    341. 

  341. 		$sql .= "$wpdb->posts.ID IN ($out_posts)";

    342. 

  342. 	} else $sql .= "1 = 2";

    343. 

  343. 	return $sql;

    344. 

  344. }

    345. 

  345. 

    346. 

  346. function where_omit_post() {	

    347. 

  347. 	global $post, $ID;	

    348. 

  348. 	if (isset($post) && isset($post->ID)) {

    349. 

  349. 		$postid = $post->ID;

    350. 

  350. 	} else if (isset($ID)) {

    351. 

  351. 		$postid = $ID;

    352. 

  352. 	} else {

    353. 

  353. 		$postid = -1;

    354. 

  354. 	}

    355. 

  355. 	return "ID != $postid";

    356. 

  356. }

    357. 

  357. 

    358. 

  358. function where_hide_pass() {

    359. 

  359. 	return "post_password =''";

    360. 

  360. }

    361. 

  361. 

    362. 

  362. function where_hide_future() {

    363. 

  363. 	global $wp_version;

    364. 

  364. 	if ($wp_version < 2.1) {

    365. 

  365. 		$time_difference = get_option('gmt_offset');

    366. 

  366. 		$now = gmdate("Y-m-d H:i:s",(time()+($time_difference*3600)));

    367. 

  367. 		$sql = "post_date <= '$now'";

    368. 

  368. 	} else {

    369. 

  369. 		$sql = "post_status != 'future'";

    370. 

  370. 	}

    371. 

  371. 	return $sql;

    372. 

  372. }

    373. 

  373. 

    374. 

  374. function where_fulltext_match($weight_title, $titleterms, $weight_content, $contentterms, $weight_tags, $tagterms) {

    375. 

  375. 	$wsql = array();

    376. 

  376. 	if ($weight_title) $wsql[] = "MATCH (`title`) AGAINST ( \"$titleterms\" )";

    377. 

  377. 	if ($weight_content) $wsql[] = "MATCH (`content`) AGAINST ( \"$contentterms\" )";

    378. 

  378. 	if ($weight_tags) $wsql[] = "MATCH (`tags`) AGAINST ( \"$tagterms\" )";

    379. 

  379. 	return '(' . implode(' OR ', $wsql) . ') ' ;

    380. 

  380. }

    381. 

  381. 

    382. 

  382. function xwhere_fulltext_match($weight_title, $titleterms, $weight_content, $contentterms, $weight_tags, $tagterms) {

    383. 

  383. 	$wsql = array();

    384. 

  384. 	if ($weight_title) $wsql[] = "MATCH (`title`) AGAINST ( \"$titleterms\" )";

    385. 

  385. 	$contentterms = implode(' ', array_keys($contentterms));

    386. 

  386. 	if ($weight_content) $wsql[] = "MATCH (`content`) AGAINST ( \"$contentterms\" )";

    387. 

  387. 	if ($weight_tags) $wsql[] = "MATCH (`tags`) AGAINST ( \"$tagterms\" )";

    388. 

  388. 	return '(' . implode(' OR ', $wsql) . ') ' ;

    389. 

  389. }

    390. 

  390. 

    391. 

  391. function where_author_comments() {

    392. 

  392. 	$author_email = get_the_author_email();

    393. 

  393. 	return "'$author_email' != comment_author_email";

    394. 

  394. }

    395. 

  395. 

    396. 

  396. function where_user_comments() {

    397. 

  397. 	return "user_id = 0";

    398. 

  398. }

    399. 

  399. 

    400. 

  400. function score_fulltext_match($table_name, $weight_title, $titleterms, $weight_content, $contentterms, $weight_tags, $tagterms) {

    401. 

  401. 	global $wpdb;

    402. 

  402. 	$wsql = array();

    403. 

  403. 	if ($weight_title) $wsql[] = "($weight_title * (MATCH (`title`) AGAINST ( \"$titleterms\" )))";

    404. 

  404. 	if ($weight_content) $wsql[] = "($weight_content * (MATCH (`content`) AGAINST ( \"$contentterms\" )))";

    405. 

  405. 	if ($weight_tags) $wsql[] = "($weight_tags * (MATCH (`tags`) AGAINST ( \"$tagterms\" )))";

    406. 

  406. 	return '(' . implode(' + ', $wsql) . " ) as score FROM `$table_name` LEFT JOIN `$wpdb->posts` ON `pID` = `ID` "; 

    407. 

  407. }

    408. 

  408. 

    409. 

  409. function xscore_fulltext_match($table_name, $weight_title, $titleterms, $weight_content, $contentterms, $weight_tags, $tagterms) {

    410. 

  410. 	global $wpdb;

    411. 

  411. 	$wsql = array();

    412. 

  412. 	if ($weight_title) $wsql[] = "($weight_title * (MATCH (`title`) AGAINST ( \"$titleterms\" )))";

    413. 

  413. 	if ($weight_content) {

    414. 

  414. 		foreach($contentterms as $word => $score) {

    415. 

  415. 			$weight = $weight_content * sqrt($score);

    416. 

  416. 			$wsql[] = "($weight * (MATCH (`content`) AGAINST ( \"$word\" )))";

    417. 

  417. 		}

    418. 

  418. 	}

    419. 

  419. 	if ($weight_tags) $wsql[] = "($weight_tags * (MATCH (`tags`) AGAINST ( \"$tagterms\" )))";

    420. 

  420. 	return '(' . implode(' + ', $wsql) . " ) as score FROM `$table_name` LEFT JOIN `$wpdb->posts` ON `pID` = `ID` "; 

    421. 

  421. }

    422. 

  422. 

    423. 

  423. function where_comment_type($comment_type) {

    424. 

  424. 	if ($comment_type === 'comments') $sql = "comment_type = ''";

    425. 

  425. 	elseif ($comment_type === 'trackbacks') $sql = "comment_type != ''";

    426. 

  426. 	return $sql;

    427. 

  427. }

    428. 

  428. 

    429. 

  429. function where_check_age($direction, $length, $duration) {

    430. 

  430. 	global $wp_version;

    431. 

  431. 	if ('none' === $direction) return '';

    432. 

  432. 	$age = "DATE_SUB(CURDATE(), INTERVAL $length $duration)";

    433. 

  433. 	// we only filter out posts based on age, not pages

    434. 

  434. 	if ('before' === $direction) {

    435. 

  435. 		if ($wp_version < 2.1) {

    436. 

  436. 			return "(post_date <= $age OR post_status='static')";

    437. 

  437. 		} else {

    438. 

  438. 			return "(post_date <= $age OR post_type='page')";

    439. 

  439. 		}

    440. 

  440. 	} else {

    441. 

  441. 		if ($wp_version < 2.1) {

    442. 

  442. 			return "(post_date >= $age OR post_status='static')";

    443. 

  443. 		} else {

    444. 

  444. 			return "(post_date >= $age OR post_type='page')";

    445. 

  445. 		}

    446. 

  446. 	}

    447. 

  447. }

    448. 

  448. 			//"(meta_key = '_edit_last' && meta_value = '2')";

    449. 

  449. 

    450. 

  450. function where_check_custom($key, $op, $value) {

    451. 

  451. 	if ($op === 'EXISTS') {

    452. 

  452. 		return "meta_key = '$key'";

    453. 

  453. 	} else {

    454. 

  454. 		return "(meta_key = '$key' && meta_value $op '$value')";

    455. 

  455. 	}

    456. 

  456. }

    457. 

  457. 

    458. 

  458. /*

    459. 

  459. 

    460. 

  460. 	End of SQL functions

    461. 

  461. 

    462. 

  462. */

    463. 

  463. 

    464. 

  464. function ppl_microtime() {

    465. 

  465. 	list($usec, $sec) = explode(" ", microtime());

    466. 

  466. 	return ((float)$usec + (float)$sec); 

    467. 

  467. } 

    468. 

  468. 

    469. 

  469. /*

    470. 

  470. 

    471. 

  471. 	Now some routines to handle content filtering

    472. 

  472. 

    473. 

  473. */

    474. 

  474. 

    475. 

  475. // the '|'-separated list of valid content filter tags

    476. 

  476. global $ppl_filter_tags;

    477. 

  477. 

    478. 

  478. // each plugin calls this on startup to have content scanned for its own tag

    479. 

  479. function ppl_register_content_filter($tag) {

    480. 

  480. 	global $ppl_filter_tags;

    481. 

  481. 	if (!$ppl_filter_tags) {

    482. 

  482. 		$ppl_filter_tags = $tag;

    483. 

  483. 	} else {

    484. 

  484. 		$tags = explode('|', $ppl_filter_tags);

    485. 

  485. 		$tags[] = $tag;

    486. 

  486. 		$tags = array_unique($tags);

    487. 

  487. 		$ppl_filter_tags = implode('|', $tags);

    488. 

  488. 	}

    489. 

  489. }

    490. 

  490. 

    491. 

  491. function ppl_content_filter($content) {

    492. 

  492. 	global $ppl_filter_tags;

    493. 

  493. 	// replaces every instance of "<!--RecentPosts-->", for example, with the output of the plugin

    494. 

  494. 	$content = preg_replace("/(<!\s*--\s*)($ppl_filter_tags)(\s*--\s*>)/e", "\\2::execute()", $content);

    495. 

  495. 	return $content;

    496. 

  496. }

    497. 

  497. 

    498. 

  498. function ppl_content_filter_init() {

    499. 

  499. 	global $ppl_filter_tags;

    500. 

  500. 	if (!$ppl_filter_tags) return;

    501. 

  501. 	add_filter( 'the_content',     'ppl_content_filter', 5 );

    502. 

  502. 	add_filter( 'the_content_rss', 'ppl_content_filter', 5 );

    503. 

  503. 	add_filter( 'the_excerpt',     'ppl_content_filter', 5 );

    504. 

  504. 	add_filter( 'the_excerpt_rss', 'ppl_content_filter', 5 );

    505. 

  505. 	add_filter( 'widget_text',     'ppl_content_filter', 5 );

    506. 

  506. }

    507. 

  507. 

    508. 

  508. // watch out that the registration fucntion are called earlier

    509. 

  509. add_action ('init', 'ppl_content_filter_init');

    510. 

  510. 

    511. 

  511. ?>
    512.