How can the "print_r($_GET)" function help in debugging PHP form submission issues?

When debugging PHP form submission issues, the "print_r($_GET)" function can be used to display the values of the form input fields passed through the GET method. This can help identify if the form data is being correctly submitted and received by the PHP script. By using "print_r($_GET)", developers can easily inspect the form data and troubleshoot any issues with form submission. 

<?php
if(isset($_GET['submit'])){
    print_r($_GET);
}
?>

Keywords

print_r $_GET debugging form submission PHP

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