PHP simply implements Socket communication between client and server-PHP Tutorial-php.cn

PHP simply implements Socket communication between client and server

藏色散人

Release： 2023-04-06 15:22:01

forward

3817 people have browsed it

This article will introduce you to the process of PHP simply realizing Socket communication between the client and the server.

The socket method used in this article.

PHP simply implements Socket communication between client and server

socket server implementation codeserver.php

<?php
/**
 * Created by PhpStorm.
 * User: jmsite.cn
 * Date: 2019/2/20
 * Time: 11:59
 */
set_time_limit(0);
$host = &#39;127.0.0.1&#39;;
$port = 8081;
$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP) or die("socket_create() 失败:".socket_strerror(socket_last_error())."\n");
$ret = socket_bind($socket,$host,$port) or die("socket_bind() 失败:".socket_strerror(socket_last_error())."\n");
$ret = socket_listen($socket,10) or die("socket_listen() 失败:".socket_strerror(socket_last_error())."\n");
while (true){
    $connection = socket_accept($socket) or die("socket_accept() 失败:".socket_strerror(socket_last_error())."\n");
    while (true){
        socket_getpeername($connection, $addr, $port);
        $data = socket_read($connection, 4096);
        if (!$data){
            break;
        }
        $msg = date("Y-m-d H:i:s")." {$addr} {$port} 已收到信息(".$data.")";
        echo $msg."\n";
        socket_write($connection, $msg, strlen($msg));
    }
}

Copy after login

socket client implementation codeclient.php

<?php
/**
 * Created by PhpStorm.
 * User: jmsite.cn
 * Date: 2019/2/20
 * Time: 12:22
 */
$host = &#39;127.0.0.1&#39;;
$port = 8081;
$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP) or die("socket_create() 失败:".socket_strerror(socket_last_error())."\n");
$ret = socket_connect($socket, $host, $port) or die("socket_connect() 失败:".socket_strerror(socket_last_error())."\n");
$msg = "测试发送信息,pid:".getmypid();
socket_write($socket, $msg, strlen($msg));
$data = socket_read($socket, 4096);
echo "server回复:".$data."\n";
socket_close($socket);

Copy after login

Test socket communication

Execute server code, block and wait for client connection

php server.php

Copy after login

Execute client code multiple times

php client.php
server回复:2019-02-20 10:14:33 127.0.0.1 64238 已收到信息(测试发送信息,pid:1532)
php client.php
server回复:2019-02-20 10:14:34 127.0.0.1 64242 已收到信息(测试发送信息,pid:11620)
php client.php
server回复:2019-02-20 10:14:35 127.0.0.1 64243 已收到信息(测试发送信息,pid:3676)
php client.php
server回复:2019-02-20 10:14:36 127.0.0.1 64246 已收到信息(测试发送信息,pid:19740)
php client.php
server回复:2019-02-20 10:14:37 127.0.0.1 64249 已收到信息(测试发送信息,pid:23180)
......

Copy after login

server.php output

php server.php
2019-02-20 10:14:33 127.0.0.1 64238 已收到信息(测试发送信息,pid:1532)
2019-02-20 10:14:34 127.0.0.1 64242 已收到信息(测试发送信息,pid:11620)
2019-02-20 10:14:35 127.0.0.1 64243 已收到信息(测试发送信息,pid:3676)
2019-02-20 10:14:36 127.0.0.1 64246 已收到信息(测试发送信息,pid:19740)
2019-02-20 10:14:37 127.0.0.1 64249 已收到信息(测试发送信息,pid:23180)
......

Copy after login

This is the process of PHP simply realizing Socket communication between the client and the server.

The above is the detailed content of PHP simply implements Socket communication between client and server. For more information, please follow other related articles on the PHP Chinese website!