$GLOBALS in PHP

The $GLOBALS array is a superglobal that contains all global variables in PHP. It allows you to access global variables from anywhere in your script.

Example of Using $GLOBALS

<?php
$x = 10;
$y = 20;

function sum() {
    return $GLOBALS['x'] + $GLOBALS['y'];
}

echo sum(); // Outputs: 30
?>

Output:

30

Explanation: This example demonstrates how to use the $GLOBALS array to access global variables within a function.