| public generateMessageFileName ( ) : string | ||
| return | string | the file name for saving the message when [[useFileTransport]] is true. |
public function generateMessageFileName()
{
$time = microtime(true);
return date('Ymd-His-', $time) . sprintf('%04d', (int) (($time - (int) $time) * 10000)) . '-' . sprintf('%04d', mt_rand(0, 10000)) . '.eml';
}