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/lib/contrib/utf8/stristr.php

https://github.com/matthiask/swisdk2
PHP | 36 lines | 13 code | 5 blank | 18 comment | 4 complexity | 5561bc34d8acc0785c5fba112b291a03 MD5 | raw file
Possible License(s): GPL-2.0
  1. <?php
  2. /**
  3. * @version $Id: stristr.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
  4. * @package utf8
  5. * @subpackage strings
  6. */
  7. //---------------------------------------------------------------
  8. /**
  9. * UTF-8 aware alternative to stristr
  10. * Find first occurrence of a string using case insensitive comparison
  11. * Note: requires utf8_strtolower
  12. * @param string
  13. * @param string
  14. * @return int
  15. * @see http://www.php.net/strcasecmp
  16. * @see utf8_strtolower
  17. * @package utf8
  18. * @subpackage strings
  19. */
  20. function utf8_stristr($str, $search) {
  21. if ( strlen($search) == 0 ) {
  22. return $str;
  23. }
  24. $lstr = utf8_strtolower($str);
  25. $lsearch = utf8_strtolower($search);
  26. preg_match('/^(.*)'.preg_quote($lsearch).'/Us',$lstr, $matches);
  27. if ( count($matches) == 2 ) {
  28. return substr($str, strlen($matches[1]));
  29. }
  30. return FALSE;
  31. }