Zend_Http_Client_Adapter_Socket::setConfig PHP Méthode

    public function setConfig($config = array())
    {
        if ($config instanceof Zend_Config) {
            $config = $config->toArray();
        } elseif (!is_array($config)) {
            require_once 'Zend/Http/Client/Adapter/Exception.php';
            throw new Zend_Http_Client_Adapter_Exception('Array or Zend_Config object expected, got ' . gettype($config));
        }
        foreach ($config as $k => $v) {
            $this->config[strtolower($k)] = $v;
        }
    }

 /**
  * @param Enlight_Config $config
  * @see https://github.com/paypal/sdk-core-php
  * @return Zend_Http_Client_Adapter_Curl|Zend_Http_Client_Adapter_Socket
  */
 public static function createAdapterFromConfig($config)
 {
     $curl = $config->get('paypalCurl', true);
     $sslVersion = $config->get('paypalSslVersion', 0);
     $timeout = $config->get('paypalTimeout') ?: 60;
     $userAgent = 'Shopware/' . Shopware::VERSION;
     if ($curl && extension_loaded('curl')) {
         $adapter = new Zend_Http_Client_Adapter_Curl();
         $adapter->setConfig(array('useragent' => $userAgent, 'timeout' => $timeout));
         if (!empty($config->paypalSandbox)) {
             $adapter->setCurlOption(CURLOPT_SSL_VERIFYPEER, false);
             $adapter->setCurlOption(CURLOPT_SSL_VERIFYHOST, false);
         }
         $adapter->setCurlOption(CURLOPT_TIMEOUT, $timeout);
         $adapter->setCurlOption(CURLOPT_SSLVERSION, $sslVersion);
         //$adapter->setCurlOption(CURLOPT_SSL_CIPHER_LIST, 'TLSv1');
         //$adapter->setCurlOption(CURLOPT_SSL_VERIFYPEER, 1);
         //$adapter->setCurlOption(CURLOPT_SSL_VERIFYHOST, 2);
     } else {
         $adapter = new Zend_Http_Client_Adapter_Socket();
         $adapter->setConfig(array('useragent' => $userAgent, 'timeout' => $timeout, 'ssltransport' => $sslVersion > 3 || $sslVersion == 1 ? 'tls' : 'ssl'));
     }
     return $adapter;
 }