通过php自带的socket连接workerman 聊天室框架

<?php
//error_reporting(E_ALL);
$service_port = 15221;
$address = '125.67.237.106';

$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket === false) {
    echo "创建失败:" . socket_strerror(socket_last_error()) . "<br />";
}

$result = socket_connect($socket, $address, $service_port);
if($result === false) {
    echo "socket_connect() failed.\nReason: ($result) " . socket_strerror(socket_last_error($socket)) . "<br />";
}

$in = '{"type":"login","client_name":"hekun","room_id":1}';

$out = "";
socket_write($socket, $in, strlen($in));

while ($out = socket_read($socket, 8192)) {
    echo $out;

}
socket_close($socket);