PayPal\Core\PayPalHttpConfig::getCurlOptions PHP Method

    public function getCurlOptions()
    {
        return $this->curlOptions;
    }

 /**
  * Executes an HTTP request
  *
  * @param string $data query string OR POST content as a string
  * @return mixed
  * @throws PayPalConnectionException
  */
 public function execute($data)
 {
     //Initialize the logger
     $this->logger->info($this->httpConfig->getMethod() . ' ' . $this->httpConfig->getUrl());
     //Initialize Curl Options
     $ch = curl_init($this->httpConfig->getUrl());
     curl_setopt_array($ch, $this->httpConfig->getCurlOptions());
     curl_setopt($ch, CURLOPT_URL, $this->httpConfig->getUrl());
     curl_setopt($ch, CURLOPT_HEADER, false);
     curl_setopt($ch, CURLOPT_HTTPHEADER, $this->getHttpHeaders());
     //Determine Curl Options based on Method
     switch ($this->httpConfig->getMethod()) {
         case 'POST':
             curl_setopt($ch, CURLOPT_POST, true);
         case 'PUT':
         case 'PATCH':
             curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
             break;
     }
     //Default Option if Method not of given types in switch case
     if ($this->httpConfig->getMethod() != NULL) {
         curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->httpConfig->getMethod());
     }
     //Logging Each Headers for debugging purposes
     foreach ($this->getHttpHeaders() as $header) {
         //TODO: Strip out credentials and other secure info when logging.
         $this->logger->fine($header);
     }
     $this->logger->fine(($data && $data != '' ? "Payload : " . $data : "No Request Payload") . "\n");
     //Execute Curl Request
     $result = curl_exec($ch);
     //Retry if Certificate Exception
     if (curl_errno($ch) == 60) {
         $this->logger->info("Invalid or no certificate authority found - Retrying using bundled CA certs file");
         curl_setopt($ch, CURLOPT_CAINFO, dirname(__FILE__) . '/cacert.pem');
         $result = curl_exec($ch);
     }
     //Retrieve Response Status
     $httpStatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
     //Retry if Failing
     $retries = 0;
     if (in_array($httpStatus, self::$retryCodes) && $this->httpConfig->getHttpRetryCount() != null) {
         $this->logger->info("Got {$httpStatus} response from server. Retrying");
         do {
             $result = curl_exec($ch);
             $httpStatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
         } while (in_array($httpStatus, self::$retryCodes) && ++$retries < $this->httpConfig->getHttpRetryCount());
     }
     //Throw Exception if Retries and Certificates doenst work
     if (curl_errno($ch)) {
         $ex = new PayPalConnectionException($this->httpConfig->getUrl(), curl_error($ch), curl_errno($ch));
         curl_close($ch);
         throw $ex;
     }
     //Close the curl request
     curl_close($ch);
     $this->logger->fine(($result && $result != '' ? "Response : " . $result : "No Response Body") . "\n\n");
     //More Exceptions based on HttpStatus Code
     if (in_array($httpStatus, self::$retryCodes)) {
         $ex = new PayPalConnectionException($this->httpConfig->getUrl(), "Got Http response code {$httpStatus} when accessing {$this->httpConfig->getUrl()}. " . "Retried {$retries} times.");
         $ex->setData($result);
         throw $ex;
     } else {
         if ($httpStatus < 200 || $httpStatus >= 300) {
             $ex = new PayPalConnectionException($this->httpConfig->getUrl(), "Got Http response code {$httpStatus} when accessing {$this->httpConfig->getUrl()}.", $httpStatus);
             $ex->setData($result);
             throw $ex;
         }
     }
     //Return result object
     return $result;
 }