3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(-1); // show all possible errors $arr = null; $arr['i'] = $arr['i'] + 1; // No error var_dump($arr);
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["i"]=> int(1) }