PHP FrameworkWorkermanPractical cases and experience sharing of workerman's implementation of online chatPractical cases and experience sharing of workerman's implementation of online chat
workerman’s practical cases and experience sharing of implementing online chat
Introduction: Online chat is one of the very common functions in modern social networks. In this digital age, people want to be able to communicate with friends, family, and colleagues in real time. Workerman is a high-performance PHP asynchronous network programming framework, which provides us with a simple and reliable way to implement online chat functions. This article will introduce how to use the Workerman framework to build a basic online chat room, and share some practical experience and code examples.
1. Preparation
Before we start, we need to prepare some environments and tools:
- A server that supports PHP, such as Nginx, Apache, etc.;
- Install PHP and related extensions to ensure that the server can run PHP code normally;
- Download and install the Workerman framework.
2. Build the basic framework
- Create an empty folder on the server to store our code and resource files;
- Place Workerman Unzip the source code of the framework into this folder;
- Create a file named index.php as our entry file.
3. Write server-side code
-
Open the index.php file and introduce the Autoloader of the Workerman framework:
require_once __DIR__ . '/Workerman/Autoloader.php';
-
Create a Worker instance and set the listening port number:
use WorkermanWorker; $ws = new Worker('websocket://0.0.0.0:8000'); -
Set the running parameters of the Worker instance:
$ws->count = 4; // 设置Worker进程数量 $ws->name = 'ChatRoom'; // 设置Worker名称
-
Processing the client Connection event, when a new client connects, save it to an array:
$ws->onConnect = function($connection) { global $ws; $ws->clients[$connection->id] = $connection; }; -
Handle client disconnection event, when a client disconnects, Remove it from the array:
$ws->onClose = function($connection) { global $ws; unset($ws->clients[$connection->id]); }; -
Handle the client message event, and when a client sends a message, broadcast the message to all online users:
$ws->onMessage = function($connection, $data) { global $ws; foreach ($ws->clients as $client) { $client->send($data); } }; -
Finally, start the Worker instance:
Worker::runAll();
4. Write the client code
-
In the index.php file, Add an HTML page to display the chat room:
<!DOCTYPE html> <html> <head> <title>在线聊天室</title> </head> <body> <div id="messageContainer"> </div> <input type="text" id="messageInput"> <button onclick="sendMessage()">发送</button> <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script> var ws = new WebSocket('ws://your_server_ip:8000'); ws.onmessage = function(event) { var message = event.data; $("#messageContainer").append("<p>" + message + "</p>"); }; function sendMessage() { var message = $("#messageInput").val(); ws.send(message); } </script> </body> </html> - Replace "your_server_ip" in the code with your server IP address.
5. Test run
-
Start the server, enter the folder where the code is located, and execute the following command:
php index.php start
- In browsing Access your server IP address in the server and you will see a simple chat room interface;
- Open the page in a different browser window to chat online.
6. Practical experience and code examples
- Handling user authentication and permission control: You can add authentication logic when the user connects, such as checking the user’s login status, Permissions, etc., only users with permissions are allowed to enter the chat room.
- Private chat function: You can add the function of private chat. Users can choose the person to whom they want to send messages, and only that person can receive the message.
- Chat record storage: Chat records can be stored in the database for subsequent query and analysis.
- Chat room management: You can add administrator functions, and the administrator can manage the chat room, such as banning people, kicking out users, etc.
- Optimize performance: If the chat room is large in size, it is recommended to use distributed deployment and load balancing to improve concurrent processing capabilities and stability.
Conclusion: This article introduces the steps to build a basic online chat room using the Workerman framework, and shares some practical experience and code examples. I hope it can help interested readers, and also remind everyone to add more functions and security measures to the application to improve the user experience and protect the security of user information.
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