What are some common approaches to structuring PHP files in relation to Ajax requests?

When handling Ajax requests in PHP, it's common to use a separate PHP file dedicated to processing those requests. This helps keep your code organized and makes it easier to manage the different functionalities of your application. One approach is to create a folder specifically for your Ajax files and include them only when needed in your main PHP files. 

```php
// ajax_handler.php

if(isset($_POST['ajax_request'])) {
    // Process the Ajax request here
    $data = $_POST['data'];
    
    // Return the response
    echo json_encode(['message' => 'Success', 'data' => $data]);
}
```

In your main PHP file, you can make an Ajax request to this `ajax_handler.php` file using JavaScript. This separation of concerns helps improve the maintainability and readability of your codebase.

Keywords

PHP Ajax file structure separation of concerns asynchronous requests

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