A PHP router is a component or script in a web application that directs incoming HTTP requests to the appropriate handler or controller based on predefined rules. It acts as a traffic cop for web requests, determining which code should be executed in response to a specific URL. In essence, the router maps URLs to corresponding actions or resources within the application, facilitating the organization and structure of web applications. This allows developers to create clean and user-friendly URLs while also enabling the separation of concerns in the application's code architecture. PHP routers are commonly used in web development to implement the routing logic for MVC (Model-View-Controller) or similar architectural patterns.

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