Backend Development
PHP Tutorial
Detailed example of implementing simple chat room function in PHP
Detailed example of implementing simple chat room function in PHP
This article mainly introduces the implementation of simple chat room functions in PHP with examples. It has certain reference value. Interested friends can refer to it. I hope it will be helpful to you!
Front-end part:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>聊天室</title>
</head>
<style>
#set_name{
margin: auto;
text-align: center;
}
</style>
<body>
<h3 style="text-align: center">亮亮的聊天室</h3>
<div id="set_name">
姓名:<input name="name" id="name"><input type="button" onclick="set_name();" value="进入群聊">
</div>
<div id="chat" style="width: 600px; border: red 1px solid;margin: auto;display: none">
<div id="sayContent" style="height: 300px;border-bottom: silver 1px dashed;">
</div>
<div style="height: 75px;margin-top: 10px">
<textarea id="content" style="height: 50px;width: 480px;background-color: #00a0e9;float: left;"></textarea>
<button id="submit" style="float: right;height: 55px;width:50px;margin-right:45px;display: block;" onclick="send_msg();">发送</button>
</div>
</div>
<script>
var name = ws = '' ;
//执行websock
function chat() {
var wsserver = 'ws://47.94.11.195:443';
//调用WebSocket对象建立连接
//ws wss: // ip:port(字符串)
ws = new WebSocket(wsserver);
//获取聊天内容展示窗口
var sayContent = document.getElementById('sayContent');
//onopen监听连接打开
ws.onopen = function (v) {
var user = new Object();
user.name = name;
user.type = 1;//对用户设置姓名
var json = JSON.stringify(user);
ws.send(json);//发送数据
}
//onmessage监听服务器数据推送
ws.onmessage = function (v) {
var html = sayContent.innerHTML;
sayContent.innerHTML = html + "<br>"+v.data;
}
//监听连接关闭
ws.onclose = function (v) {
var html = sayContent.innerHTML;
sayContent.innerHTML = html + "<br>聊天室已关闭!";
}
}
//设置用户名
function set_name() {
name = document.getElementById('name').value;
if(name == ''){
alert('请输入用户名!');
return false;
}
document.getElementById('set_name').style.display='none';
document.getElementById('chat').style.display='block';
chat();
}
function send_msg() {
var content = document.getElementById('content');
if(content.value == ''){
alert('请输入聊天内容!');
return false;
}
var msg = new Object();
msg.content = content.value;
msg.type = 2;
var str = JSON.stringify(msg);
ws.send(str);
}
</script>
</body>
</html>Back-end part:
<?php
$server = new swoole_websocket_server("0.0.0.0", 443);
$server->users = [];
$server->on('open', function (swoole_websocket_server $server, $request) {
$server->users[$request->fd]['id'] = $request->fd;
});
$server->on('message', function (swoole_websocket_server $server, $frame) {
$data = json_decode($frame->data,true);
if($data['type'] == 1){
$server->users[$frame->fd]['name']=$data['name'];
$server->push($frame->fd,'欢迎您('.$data['name'].')进入聊天室!');
}else{
foreach($server->users as $v){
$server->push($v['id'], $server->users[$frame->fd]['name'].'说:'.$data['content']);
}
}
});
$server->on('close', function ($ser, $fd) {
file_put_contents('qq.txt',$server->users[$frame->fd],FILE_APPEND);
unset($server->users[$frame->fd]);
});
$server->start();For more related tutorials, please visit php programming from entry to master full set of video tutorials
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian
Dec 24, 2024 pm 04:42 PM
PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati
How To Set Up Visual Studio Code (VS Code) for PHP Development
Dec 20, 2024 am 11:31 AM
Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c
Explain JSON Web Tokens (JWT) and their use case in PHP APIs.
Apr 05, 2025 am 12:04 AM
JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,
How do you parse and process HTML/XML in PHP?
Feb 07, 2025 am 11:57 AM
This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an
Explain late static binding in PHP (static::).
Apr 03, 2025 am 12:04 AM
Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.
PHP Program to Count Vowels in a String
Feb 07, 2025 pm 12:12 PM
A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total
What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases?
Apr 03, 2025 am 12:03 AM
What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.
PHP and Python: Comparing Two Popular Programming Languages
Apr 14, 2025 am 12:13 AM
PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.
