What are the potential pitfalls of combining PHP and Javascript in code, as seen in the forum thread discussion?

One potential pitfall of combining PHP and Javascript in code is that it can lead to messy and difficult-to-maintain code. To solve this issue, it is recommended to separate PHP logic from Javascript code by using AJAX to communicate between the two languages. 

// PHP code to handle AJAX request
if(isset($_POST['data'])){
    $data = $_POST['data'];
    
    // Perform necessary PHP operations
    
    echo json_encode($result);
    exit;
}

Keywords

PHP Javascript code integration security vulnerabilities cross-site scripting

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