Can PHP Developers Utilize Native WebSockets?

WebSockets in PHP: Native Support and Implementation

WebSockets, a bidirectional communication protocol, have gained wide adoption in modern browsers. PHP developers may wonder if native support for WebSockets exists within their language.

Native PHP Support for WebSockets

PHP does not natively provide a standard WebSocket object. To implement WebSockets in PHP, third-party libraries are required.

PHP WebSockets Libraries

Several PHP libraries offer WebSocket capabilities, including:

• Apache Module: https://github.com/disconnect/apache-websocket
• Ratchet: https://github.com/cboden/Ratchet
• Wrench: https://github.com/varspool/Wrench
• PHP WebSocket: http://code.google.com/p/phpwebsocket/

Considerations for Server Execution

PHP typically runs within application servers like Apache or IIS. However, these servers are not designed for persistent connections required by WebSockets. Therefore, PHP WebSocket libraries often operate as standalone processes.

Additional Resources

• Nets.TutsPlus JavaScript example code: https://code.tutsplus.com/tutorials/html5-websockets-server-client-example--net-16223
• Websockets.org test application: https://www.websocket.org/echo.html
• Ajax push system: https://ajax.push.it/

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