3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/kek/', "lol", nill);
based on uMCY8
Output for 7.2.0
Warning: Use of undefined constant nill - assumed 'nill' (this will throw an Error in a future version of PHP) in /in/MpVHo on line 2 nill
Output for 5.3.19 - 7.1.10
Notice: Use of undefined constant nill - assumed 'nill' in /in/MpVHo on line 2 nill