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In the provided PHP code, what is the purpose of the variable $save and how does it relate to the form submission process?

The variable $save in the provided PHP code is used to check if the form has been submitted. It is set to true when the form is submitted, allowing the code within the if statement to execute. To ensure that the form submission process works correctly, we need to initialize the $save variable to false at the beginning of the script.

php 
<?php
$save = false;

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Form was submitted
    $save = true;
    // Process form data here
}

// Rest of the PHP code
?>

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