3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a{1};
Output for 5.0.4 - 5.6.30, hhvm-3.10.1 - 3.15.4, 7.0.0 - 7.2.0
Notice: Undefined variable: a in /in/Q3Ggf on line 3
Output for hhvm-3.17.3
Notice: Undefined variable: a in /in/Q3Ggf on line 3
Process exited with code 137.
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/Q3Ggf on line 3