--- /dev/null
+<?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;
+}
\ No newline at end of file