server

Kick user from SSH server: sudo pkill -HUP -u [USERNAME]

<?php 

define('DISALLOW_FILE_EDIT', true);

echo "\n DISALLOW_FILE_EDIT is: " . constant('DISALLOW_FILE_EDIT') . "\n";

//$constants = get_defined_constants();
//var_dump($constants); // pretty large list
?>

Key words: define defined constant constants