php socket连接

$server_host = "127.0.0.1";

$server_port = 8891;

//socket 创建

$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);

//设置最大超时时间为6秒，usec为微秒

socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, array("sec" => 6, "usec" => 0));

//连接套接字

if((socket_connect($socket,$server_host,$server_port) == false)){

    echo '连接失败'.socket_strerror(socket_last_error());

}else{

    //把数据写入套接字

    if(socket_write($socket,$message,strlen($message)) == false){

        echo '连接失败'.socket_strerror(socket_last_error());

    }else{

        //读取套接字返回流

        while($callback = socket_read($socket,1024)){

          var_dump($callback);die();

        }

    }

}

//工作完毕，关闭套接流

socket_close($socket);