static function stripos($s, $needle, $offset = 0) { if (false !== strpos($needle, 'I')) { $needle = str_replace('I', 'ı', $needle); } if (false !== strpos($needle, 'İ')) { $needle = str_replace('İ', 'i', $needle); } if (false !== strpos($s, 'I')) { $s = str_replace('I', 'ı', $s); } if (false !== strpos($s, 'İ')) { $s = str_replace('İ', 'i', $s); } return parent::stripos($s, $needle, $offset); }