There are several real-time applications that can be built with PHP, including:
1. Chat Applications: PHP can be used to build real-time chat applications using technologies like WebSockets or long-polling. These applications allow users to have real-time conversations and instant messaging.
2. Collaborative Tools: PHP can be used to create real-time collaborative tools like document editing, project management, or whiteboard applications. These applications allow multiple users to work together on the same document or project in real-time.
3. Notifications and Alerts: PHP can be used to send real-time notifications and alerts to users. For example, an e-commerce website can use PHP to send real-time order status updates to customers or an online messaging platform can use PHP to send real-time message notifications to users.
4. Real-Time Analytics: PHP can be used to build real-time analytics dashboards that display data in real-time as it is generated. This can be useful for monitoring website traffic, tracking user activity, or analyzing real-time data streams.
5. Real-Time Games: PHP can be used to build real-time multiplayer games using technologies like WebSockets or server-sent events. These games allow multiple players to interact and play together in real-time.
To build real-time applications with PHP, you can use frameworks and libraries like Laravel, Symfony, or ReactPHP, which provide tools and components for handling real-time communication and data updates. Additionally, you can use third-party services like Pusher or Socket.io that provide real-time communication infrastructure and APIs to integrate into your PHP application.