3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $c['asd'] = 'asd1'; echo "asd asd '".$c[asd]."'";
Output for 4.3.0 - 7.1.0
Notice: Use of undefined constant asd - assumed 'asd' in /in/PL798 on line 3 asd asd 'asd1'