public static function createTransport(): TransportInterface
    {
        if (class_exists(HttpClientDiscovery::class) && class_exists(MessageFactoryDiscovery::class)) {
            try {
                return new HttpClientTransport(HttpClientDiscovery::find(), MessageFactoryDiscovery::find());
            } catch (NotFoundException $e) {
                // Do nothing
            }
        }

        if (class_exists(Client::class)) {
            return new Guzzle6Transport();
        }

        if (extension_loaded('curl')) {
            return new CurlExtensionTransport();
        }

        throw new RuntimeException('Cannot create an HTTP transport object');
    }
public static function createTransport(): TransportInterface
    {
        if (class_exists(HttpClientDiscovery::class) && class_exists(MessageFactoryDiscovery::class)) {
            try {
                return new HttpClientTransport(HttpClientDiscovery::find(), MessageFactoryDiscovery::find());
            } catch (NotFoundException $e) {
                // Do nothing
            }
        }

        if (class_exists(Client::class)) {
            return new Guzzle6Transport();
        }

        if (extension_loaded('curl')) {
            return new CurlExtensionTransport();
        }

        throw new RuntimeException('Cannot create an HTTP transport object');
    }
public static function createTransport ( ) : TransportInterface { if ( class_exists ( HttpClientDiscovery :: class ) && class_exists ( MessageFactoryDiscovery :: class ) ) { try { return new HttpClientTransport ( HttpClientDiscovery :: find ( ) , MessageFactoryDiscovery :: find ( ) ) ; } catch ( NotFoundException $ e ) { // Do nothing } } if ( class_exists ( Client :: class ) ) { return new Guzzle6Transport ( ) ; } if ( extension_loaded ( 'curl' ) ) { return new CurlExtensionTransport ( ) ; } throw new RuntimeException ( 'Cannot create an HTTP transport object' ) ; }
Creates the transport based on which classes are defined.

@return TransportInterface

@throws RuntimeException
Creates the transport based on which classes are defined .