What are the potential pitfalls of including HTML forms directly in PHP scripts?

Including HTML forms directly in PHP scripts can lead to messy and difficult-to-maintain code. It can also make it harder to separate the presentation layer from the business logic, which goes against the principles of clean code architecture. To solve this issue, it's recommended to separate the HTML forms into separate files and include them in the PHP scripts when needed. 

<?php
// Include the HTML form file
include 'form.html';

// Process the form submission
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Handle form data here
}
?>

Keywords

XSS security vulnerability data validation form submission PHP templating

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