FileLogger::write PHP Method

    public function write($message, $severity)
    {
        $message = date('Y-m-d H:i:s') . "\t{$severity}\t{$message}\n";
        if (!is_writable($this->file)) {
            return false;
        }
        file_put_contents($this->file, $message, FILE_APPEND | LOCK_EX);
        return true;
    }