Why is the function session_unregister() causing a fatal error in PHP?

The function session_unregister() is causing a fatal error in PHP because it has been deprecated since PHP 5.3 and removed in PHP 5.4. To solve this issue, you should use the unset() function to unset a session variable instead. 

<?php
session_start();

// Unset a session variable
unset($_SESSION['variable_name']);
?>

Keywords

session_unregister fatal error PHP deprecated function session management

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