3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "72"; var_dump($a["errorTable"]); if(isset($a[NULL])) echo "YES"; else echo "NO";
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'errorTable' in /in/F8uvn on line 4 string(1) "7" YES
Output for 4.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
string(1) "7" YES