private function _call_all_hook($args)
    {
        reset($this->filter[ 'all' ]);
        do {
            foreach ((array)current($this->filter[ 'all' ]) as $the_) {
                if ( ! is_null($the_[ 'function' ])) {
                    call_user_func_array($the_[ 'function' ], $args);
                }
            }
        } while (next($this->filter[ 'all' ]) !== false);
    }