/libraries/phputf8/mbstring/core.php

https://github.com/shafiqissani/Jewelery-Ecommerce- · PHP · 90 lines · 38 code · 7 blank · 45 comment · 13 complexity · 1408c59025bac52b1cf185e82148ed3e MD5 · raw file 

    

  1. <?php

    2. 

  2. /**

    3. 

  3. * @version $Id: core.php 10381 2008-06-01 03:35:53Z pasamio $

    4. 

  4. * @package utf8

    5. 

  5. * @subpackage strings

    6. 

  6. */

    7. 

  7. 

    8. 

  8. /**

    9. 

  9. * Define UTF8_CORE as required

    10. 

  10. */

    11. 

  11. if ( !defined('UTF8_CORE') ) {

    12. 

  12.     define('UTF8_CORE',TRUE);

    13. 

  13. }

    14. 

  14. 

    15. 

  15. //--------------------------------------------------------------------

    16. 

  16. /**

    17. 

  17. * Assumes mbstring internal encoding is set to UTF-8

    18. 

  18. * Wrapper around mb_strpos

    19. 

  19. * Find position of first occurrence of a string

    20. 

  20. * @param string haystack

    21. 

  21. * @param string needle (you should validate this with utf8_is_valid)

    22. 

  22. * @param integer offset in characters (from left)

    23. 

  23. * @return mixed integer position or FALSE on failure

    24. 

  24. * @package utf8

    25. 

  25. * @subpackage strings

    26. 

  26. */

    27. 

  27. function utf8_strpos($str, $search, $offset = FALSE){

    28. 

  28. 	if(strlen($str) && strlen($search)) {

    29. 

  29. 	    if ( $offset === FALSE ) {

    30. 

  30. 	        return mb_strpos($str, $search);

    31. 

  31. 	    } else {

    32. 

  32. 	        return mb_strpos($str, $search, $offset);

    33. 

  33. 	    }

    34. 

  34. 	} else return FALSE;

    35. 

  35. }

    36. 

  36. 

    37. 

  37. //--------------------------------------------------------------------

    38. 

  38. /**

    39. 

  39. * Assumes mbstring internal encoding is set to UTF-8

    40. 

  40. * Wrapper around mb_strrpos

    41. 

  41. * Find position of last occurrence of a char in a string

    42. 

  42. * @param string haystack

    43. 

  43. * @param string needle (you should validate this with utf8_is_valid)

    44. 

  44. * @param integer (optional) offset (from left)

    45. 

  45. * @return mixed integer position or FALSE on failure

    46. 

  46. * @package utf8

    47. 

  47. * @subpackage strings

    48. 

  48. */

    49. 

  49. function utf8_strrpos($str, $search, $offset = FALSE){

    50. 

  50.     if ( $offset === FALSE ) {

    51. 

  51.         # Emulate behaviour of strrpos rather than raising warning

    52. 

  52.         if ( empty($str) ) {

    53. 

  53.             return FALSE;

    54. 

  54.         }

    55. 

  55.         return mb_strrpos($str, $search);

    56. 

  56.     } else {

    57. 

  57.         if ( !is_int($offset) ) {

    58. 

  58.             trigger_error('utf8_strrpos expects parameter 3 to be long',E_USER_WARNING);

    59. 

  59.             return FALSE;

    60. 

  60.         }

    61. 

  61. 

    62. 

  62.         $str = mb_substr($str, $offset);

    63. 

  63. 

    64. 

  64.         if ( FALSE !== ( $pos = mb_strrpos($str, $search) ) ) {

    65. 

  65.             return $pos + $offset;

    66. 

  66.         }

    67. 

  67. 

    68. 

  68.         return FALSE;

    69. 

  69.     }

    70. 

  70. }

    71. 

  71. 

    72. 

  72. //--------------------------------------------------------------------

    73. 

  73. /**

    74. 

  74. * Assumes mbstring internal encoding is set to UTF-8

    75. 

  75. * Wrapper around mb_substr

    76. 

  76. * Return part of a string given character offset (and optionally length)

    77. 

  77. * @param string

    78. 

  78. * @param integer number of UTF-8 characters offset (from left)

    79. 

  79. * @param integer (optional) length in UTF-8 characters from offset

    80. 

  80. * @return mixed string or FALSE if failure

    81. 

  81. * @package utf8

    82. 

  82. * @subpackage strings

    83. 

  83. */

    84. 

  84. function utf8_substr($str, $offset, $length = FALSE){

    85. 

  85.     if ( $length === FALSE ) {

    86. 

  86.         return mb_substr($str, $offset);

    87. 

  87.     } else {

    88. 

  88.         return mb_substr($str, $offset, $length);

    89. 

  89.     }

    90. 

  90. }
    91.