In PHP, what are the advantages of separating application logic from URL rewriting for routing purposes?

Separating application logic from URL rewriting for routing purposes allows for better organization and maintainability of the codebase. It also makes it easier to make changes to the routing logic without affecting the underlying application logic. Additionally, separating these concerns can improve code readability and make it easier to test and debug the application. 

// .htaccess file for URL rewriting
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?url=$1 [QSA,L]
```

```php
// index.php file for routing
$url = isset($_GET['url']) ? $_GET['url'] : 'home';

switch ($url) {
    case 'home':
        include 'controllers/homeController.php';
        break;
    case 'about':
        include 'controllers/aboutController.php';
        break;
    default:
        include 'controllers/errorController.php';
        break;
}

Keywords

PHP application logic URL rewriting routing advantages

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