3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php foreach(array(1,2,3,4,5,6,7) as $i) { $a *= ($i + $i); }
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: a in /in/RGfKD on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/RGfKD on line 2