Phalcon\Http\Client\Provider\Curl::isAvailable PHP Метод

    public static function isAvailable()
    {
        return extension_loaded('curl');
    }

 public static function getProvider()
 {
     if (Curl::isAvailable()) {
         return new Curl();
     }
     if (Stream::isAvailable()) {
         return new Stream();
     }
     throw new ProviderException("There isn't any available provider");
 }