PHP Decode

<?php
use Zan\Framework\Network\Common\TcpClient;
use Zan\Framework\Network\Connection\ConnectionManager;
use Zan\Framework\Testing\TaskTest;

/**
 * Created by PhpStorm.
 * User: marsnowxiao
 * Date: 2017/3/29
 * Time: 8:19
 */
class TcpClientTest extends TaskTest
{
    public function taskTcp()
    {
        try {
            $connection = (yield ConnectionManager::getInstance()->get("tcp.echo"));
            $tcpClient = new TcpClient($connection);

            $request = "Hello TcpClientTest";
            $response = (yield $tcpClient->send($request));
            $this->assertEquals($response, $request, "tcp echo test failed");
        } catch (\Exception $e) {
            var_dump($e->getMessage());
            return;
        }
    }
} ?>