What role does the DIE() function play in PHP scripts like admin.php?

The DIE() function in PHP scripts like admin.php is used to immediately terminate the script and display a message to the user. It is often used for error handling or to prevent further execution of the script if certain conditions are not met. To implement the DIE() function in a PHP script, you can simply use it along with an error message like this: 

<?php
// Check if user is not logged in
if(!isset($_SESSION['user'])){
    die("You must be logged in to access this page");
}
// Rest of the code
?>

Keywords

DIE function PHP scripts admin.php error handling termination.

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