utf8/strrpos.php

   1 <?php defined('SYSPATH') or die('No direct script access.');
   2 /**
   3  * UTF8::strrpos
   4  *
   5  * @package    Kohana
   6  * @author     Kohana Team
   7  * @copyright  (c) 2007-2011 Kohana Team
   8  * @copyright  (c) 2005 Harry Fuecks
   9  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
  10  */
  11 function _strrpos($str, $search, $offset = 0)
  12 {
  13         $offset = (int) $offset;
  14
  15         if (UTF8::is_ascii($str) AND UTF8::is_ascii($search))
  16                 return strrpos($str, $search, $offset);
  17
  18         if ($offset == 0)
  19         {
  20                 $array = explode($search, $str, -1);
  21                 return isset($array[0]) ? UTF8::strlen(implode($search, $array)) : FALSE;
  22         }
  23
  24         $str = UTF8::substr($str, $offset);
  25         $pos = UTF8::strrpos($str, $search);
  26         return ($pos === FALSE) ? FALSE : ($pos + $offset);
  27 }