3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x=array("aaa","ttt","www","ttt","yyy","ttt"); $y=array_count_values($x); echo $y[ttt]; ?>
based on 8n9ge
Output for 7.2.0
Warning: Use of undefined constant ttt - assumed 'ttt' (this will throw an Error in a future version of PHP) in /in/9ctGN on line 4 3
Output for 5.3.21 - 7.1.10
Notice: Use of undefined constant ttt - assumed 'ttt' in /in/9ctGN on line 4 3