Initial Kohana install
[speedfreak] / Server / system / core / utf8 / stristr.php
1 <?php defined('SYSPATH') OR die('No direct access allowed.');
2 /**
3  * utf8::stristr
4  *
5  * @package    Core
6  * @author     Kohana Team
7  * @copyright  (c) 2007 Kohana Team
8  * @copyright  (c) 2005 Harry Fuecks
9  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
10  */
11 function _stristr($str, $search)
12 {
13         if (utf8::is_ascii($str) AND utf8::is_ascii($search))
14                 return stristr($str, $search);
15
16         if ($search == '')
17                 return $str;
18
19         $str_lower = utf8::strtolower($str);
20         $search_lower = utf8::strtolower($search);
21
22         preg_match('/^(.*?)'.preg_quote($search, '/').'/s', $str_lower, $matches);
23
24         if (isset($matches[1]))
25                 return substr($str, strlen($matches[1]));
26
27         return FALSE;
28 }