Airbrake\Connection::send PHP Method

    public function send(Notice $notice)
    {
        $curl = curl_init();
        $xml = $notice->toXml($this->configuration);
        curl_setopt($curl, CURLOPT_URL, $this->configuration->get('apiEndPoint'));
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_TIMEOUT, $this->configuration->get('timeout'));
        curl_setopt($curl, CURLOPT_POSTFIELDS, $xml);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $this->headers);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        // HTTP proxy support
        $proxyHost = $this->configuration->get('proxyHost');
        $proxyUser = $this->configuration->get('proxyUser');
        if (null !== $proxyHost) {
            curl_setopt($curl, CURLOPT_PROXY, $proxyHost . ':' . $this->configuration->get('proxyPort'));
            if (null !== $proxyUser) {
                curl_setopt($curl, CURLOPT_PROXYUSERPWD, $proxyUser . ':' . $this->configuration->get('proxyPass'));
            }
        }
        $return = curl_exec($curl);
        curl_close($curl);
        return $return;
    }

 public function perform()
 {
     $notice = unserialize($this->args['notice']);
     $configuration = unserialize($this->args['configuration']);
     $connection = new Connection($configuration);
     echo $connection->send($notice);
 }