src/Leevel/Protocol/Server.php
protected function messageTime(string $message, string $formatTime = ''): string
    {
        return ($formatTime ? sprintf('[%s]', date($formatTime)) : '').$message;
    }
protected function messageTime(string $message, string $formatTime = ''): string
    {
        return ($formatTime ? sprintf('[%s]', date($formatTime)) : '').$message;
    }
消息时间.

@param string $message
@param string $formatTime

@return string