What are the potential pitfalls of using self-referencing form actions in PHP scripts, and how can they be avoided for better functionality?

Potential pitfalls of using self-referencing form actions in PHP scripts include the risk of creating infinite loops if not handled properly. To avoid this issue and ensure better functionality, it is recommended to check if the form has been submitted before processing the form data. 

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

Keywords

self-referencing form actions PHP scripts potential pitfalls functionality avoidance techniques

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