How can debugging techniques, such as creating a separate PHP file to output form data, help identify the source of issues with image uploads in PHP scripts?

When troubleshooting image upload issues in PHP scripts, creating a separate PHP file to output form data can help identify the source of problems by displaying the form data being submitted. This can reveal any errors in the data being sent to the server, such as incorrect file paths or missing form fields. By isolating the form data in a separate file, you can easily pinpoint where the issue lies and make necessary adjustments to fix the problem. 

<?php
// Separate PHP file to output form data for debugging image uploads

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    var_dump($_POST);
    var_dump($_FILES);
}
?>

Keywords

debugging techniques separate PHP file form data image uploads PHP scripts

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