3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(md5('240610708') == md5('QNKCDZ1')); echo QNKCDZ1;
Output for 7.2.0 - 7.3.0beta1
bool(false) Warning: Use of undefined constant QNKCDZ1 - assumed 'QNKCDZ1' (this will throw an Error in a future version of PHP) in /in/JXZgO on line 3 QNKCDZ1
Output for 5.5.0 - 7.1.20
bool(false) Notice: Use of undefined constant QNKCDZ1 - assumed 'QNKCDZ1' in /in/JXZgO on line 3 QNKCDZ1
Output for 4.3.0 - 5.4.45
bool(false) QNKCDZ1