3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( !is_array($v[0]));
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: v in /in/evplL on line 3 bool(true)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: v in /in/evplL on line 3 bool(true)