What are some best practices for dividing tasks between HTML forms and PHP scripts?

When dividing tasks between HTML forms and PHP scripts, it is best practice to have the HTML form handle user input and validation, while the PHP script processes and interacts with the data. This separation of concerns helps maintain clean and organized code, making it easier to debug and maintain in the future. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST['username'];
    $password = $_POST['password'];

    // Process the data, such as validating user input or saving to a database
}
?>

Keywords

HTML forms PHP scripts data validation form submission server-side processing

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