Monolog\Formatter\WildfireFormatter::format PHP Method

    public function format(array $record)
    {
        // Retrieve the line and file if set and remove them from the formatted extra
        $file = $line = '';
        if (isset($record['extra']['file'])) {
            $file = $record['extra']['file'];
            unset($record['extra']['file']);
        }
        if (isset($record['extra']['line'])) {
            $line = $record['extra']['line'];
            unset($record['extra']['line']);
        }

        // Format record according with LineFormatter
        $message = parent::format($record);

        // Create JSON object describing the appearance of the message in the console
        $json = json_encode(array(
            array(
                'Type'  => $this->logLevels[$record['level']],
                'File'  => $file,
                'Line'  => $line,
                'Label' => $record['channel'],
            ),
            $message,
        ));

        // The message itself is a serialization of the above JSON object + it's length
        return sprintf(
            '%s|%s|',
            strlen($json),
            $json
        );
    }

 /**
  * @covers Monolog\Formatter\WildfireFormatter::format
  */
 public function testFormatWithoutContext()
 {
     $wildfire = new WildfireFormatter();
     $record = array('level' => Logger::ERROR, 'level_name' => 'ERROR', 'channel' => 'meh', 'context' => array(), 'datetime' => new \DateTime("@0"), 'extra' => array(), 'message' => 'log');
     $message = $wildfire->format($record);
     $this->assertEquals('58|[{"Type":"ERROR","File":"","Line":"","Label":"meh"},"log"]|', $message);
 }