protected function filtering(
        RouteInterface $route,
        RequestInterface $request
    ) {
        foreach ($route->getFilters() as $field => $filter) {
            list($grpName, $keyName) = explode('.', $field, 2);
            switch ($grpName) {
                case 'session':
                    $against = isset($_SESSION[$keyName]) ?
                        $_SESSION[$keyName] : '';
                    break;
                case 'cookie':
                    $against = isset($_COOKIE[$keyName]) ?
                        $_COOKIE[$keyName] : '';
                    break;
                case 'request':
                    $against = $request->getRequestInfo($keyName);
                    break;
                default:
                    $against = $request->getServerInfo($keyName);
                    break;
            }

            if (is_callable($filter)) {
                return $filter((string) $against);
            } elseif (!preg_match('~'.$filter.'~x', (string) $against)) {
                return false;
            }
        }
        return true;
    }
protected function filtering(
        RouteInterface $route,
        RequestInterface $request
    ) {
        foreach ($route->getFilters() as $field => $filter) {
            list($grpName, $keyName) = explode('.', $field, 2);
            switch ($grpName) {
                case 'session':
                    $against = isset($_SESSION[$keyName]) ?
                        $_SESSION[$keyName] : '';
                    break;
                case 'cookie':
                    $against = isset($_COOKIE[$keyName]) ?
                        $_COOKIE[$keyName] : '';
                    break;
                case 'request':
                    $against = $request->getRequestInfo($keyName);
                    break;
                default:
                    $against = $request->getServerInfo($keyName);
                    break;
            }

            if (is_callable($filter)) {
                return $filter((string) $against);
            } elseif (!preg_match('~'.$filter.'~x', (string) $against)) {
                return false;
            }
        }
        return true;
    }
protected function filtering ( RouteInterface $ route , RequestInterface $ request ) { foreach ( $ route -> getFilters ( ) as $ field => $ filter ) { list ( $ grpName , $ keyName ) = explode ( '.' , $ field , 2 ) ; switch ( $ grpName ) { case 'session' : $ against = isset ( $ _SESSION [ $ keyName ] ) ? $ _SESSION [ $ keyName ] : '' ; break ; case 'cookie' : $ against = isset ( $ _COOKIE [ $ keyName ] ) ? $ _COOKIE [ $ keyName ] : '' ; break ; case 'request' : $ against = $ request -> getRequestInfo ( $ keyName ) ; break ; default : $ against = $ request -> getServerInfo ( $ keyName ) ; break ; } if ( is_callable ( $ filter ) ) { return $ filter ( ( string ) $ against ) ; } elseif ( ! preg_match ( '~' . $ filter . '~x' , ( string ) $ against ) ) { return false ; } } return true ; }
Filtering in route

@param  RouteInterface $route
@param  RequestInterface $request
@return bool
@access protected
Filtering in route