3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n = count(100); $sum = 0; for ($i = 0; $i < $n; $i++) { $elem = $arr[$i]; if ($elem > 0) { $sum = $sum + $elem; } } return $sum;
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Undefined variable: arr in /in/JaiXL on line 6
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: arr in /in/JaiXL on line 6