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<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
* utf8::stristr
*
* @package Core
* @author Kohana Team
* @copyright (c) 2007 Kohana Team
* @copyright (c) 2005 Harry Fuecks
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*/
function _stristr($str, $search)
{
if (utf8::is_ascii($str) AND utf8::is_ascii($search))
return stristr($str, $search);
if ($search == '')
return $str;
$str_lower = utf8::strtolower($str);
$search_lower = utf8::strtolower($search);
preg_match('/^(.*?)'.preg_quote($search, '/').'/s', $str_lower, $matches);
if (isset($matches[1]))
return substr($str, strlen($matches[1]));
return FALSE;
}
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