PHP+SOCKET例证

PHP+SOCKET例子

// Server// 设置错误处理error_reporting (E_ALL);// 设置运行时间set_time_limit (0);// 起用缓冲ob_implicit_flush ();$ip = "";        // IP地址$port = 1000;             // 端口号$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP);       // 创建一个SOCKETif ($socket)    echo "socket_create() successed!\n";else    echo "socket_create() failed:".socket_strerror ($socket)."\n";$bind = socket_bind ($socket, $ip, $port);              // 绑定一个SOCKETif ($bind)    echo "socket_bind() successed!\n";else    echo "socket_bind() failed:".socket_strerror ($bind)."\n";$listen = socket_listen ($socket);                 // 间听SOCKETif ($listen)    echo "socket_listen() successed!\n";else    echo "socket_listen() failed:".socket_strerror ($listen)."\n";while (true){    $msg = socket_accept ($socket);               // 接受一个SOCKET    if (!$msg)    {        echo "socket_accept() failed:".socket_strerror ($msg)."\n";        break;    }    $welcome = "服务端收到:Welcome to PHP Server!\n";    socket_write ($msg, $welcome, strlen ($welcome));    while (true)    {        $command = strtoupper (trim (socket_read ($msg, 1024)));        if (!$command)            break;        switch ($command)        {            case "HELLO":                $writer = "Hello Everybody!";                break;            case "QUIT":                $writer = "Bye-Bye";                break;            case "HELP":                $writer = "HELLO\tQUIT\tHELP";                break;            default:                $writer = "Error Command!";        }        socket_write ($msg, $writer, strlen ($writer));        if ($command == "QUIT")            break;    }    socket_close ($msg);    if ($command == "QUIT")        break;}socket_close ($socket);                   // 关闭SOCKET

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