public function saveAsFile() { if (func_num_args() === 1) { $pathAndFilename = func_get_arg(0); } else { if ($this->filename) { $pathAndFilename = $this->filename; } else { new mb_exception(__FILE__ . ": saveAsFile(): must specify a filename!"); return false; } } //delete all entries which are more than MAX_ENTRIES from RSS! return administration::saveFile($pathAndFilename, $this->__toString()); }