Mapper::filterAction PHP Method

    public static function filterAction($action)
    {
        if (strpos($action, '_') !== false) {
            foreach (self::prefixes() as $prefix) {
                if (strpos($action, $prefix) === 0) {
                    return array('action' => substr($action, strlen($prefix) + 1), 'prefix' => $prefix);
                }
            }
        }
        return false;
    }