How can one effectively overwrite the contents of the $_SESSION superglobal with an empty array in PHP?

To effectively overwrite the contents of the $_SESSION superglobal with an empty array in PHP, you can simply assign an empty array to the $_SESSION variable. This will clear out any existing session data and replace it with an empty array. 

<?php
session_start();
$_SESSION = []; // overwrite the $_SESSION superglobal with an empty array

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$_SESSION superglobal overwrite empty array PHP

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