Hprose\Swoole\WebSocket\Client::setKeepAlive PHP Method

    public function setKeepAlive($keepAlive = true)
    {
        $this->keepAlive = $keepAlive;
        $this->header['Connection'] = $keepAlive ? 'keep-alive' : 'close';
        if ($keepAlive) {
            $this->header['Keep-Ailve'] = $this->keepAliveTimeout;
        } else {
            unset($this->header['Keep-Ailve']);
        }
    }