How can debugging tools like Firebug help in troubleshooting jQuery and PHP interactions?

Debugging tools like Firebug can help troubleshoot jQuery and PHP interactions by allowing developers to inspect the AJAX requests and responses, track variables and functions, and identify any errors or issues in the code. By using Firebug's console, network tab, and debugger, developers can pinpoint where the problem lies and make necessary adjustments to ensure smooth interactions between jQuery and PHP. 

// PHP code snippet to handle AJAX requests and responses
if(isset($_POST['data'])){
    $data = $_POST['data'];
    
    // Process the data and send back a response
    $response = "Data received successfully: " . $data;
    
    echo $response;
}

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