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Bugs & Features
<?php echo SESS_ID;
Output for 7.2.0
Warning: Use of undefined constant SESS_ID - assumed 'SESS_ID' (this will throw an Error in a future version of PHP) in /in/tuD0d on line 3 SESS_ID
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant SESS_ID - assumed 'SESS_ID' in /in/tuD0d on line 3 SESS_ID