public static function validateRegex($path, $values)
{
$result = array($path => '');
if (empty($values[$path])) {
return $result;
}
if (function_exists('error_clear_last')) {
/* PHP 7 only code */
error_clear_last();
$last_error = null;
} else {
// As fallback we trigger another error to ensure
// that preg error will be different
@strpos();
$last_error = error_get_last();
}
$matches = array();
// in libraries/ListDatabase.php _checkHideDatabase(),
// a '/' is used as the delimiter for hide_db
@preg_match('/' . Util::requestString($values[$path]) . '/', '', $matches);
$current_error = error_get_last();
if ($current_error !== $last_error) {
$error = preg_replace('/^preg_match\\(\\): /', '', $current_error['message']);
return array($path => $error);
}
return $result;
}