3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a; $b; $c; $d=5; $num=1; for($a=1;$a>$d;$a++) { for($b=0;$b>$num;$b++) { $num++; echo " "; } } echo " ";
based on EinvP
Output for 5.1.0 - 5.6.28, 7.0.0 - 7.1.0
Output for 5.0.4 - 5.0.5, hhvm-3.12.0
Notice: Undefined variable: a in /in/F5FeI on line 2 Notice: Undefined variable: b in /in/F5FeI on line 3 Notice: Undefined variable: c in /in/F5FeI on line 4
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/F5FeI on line 2 Notice: Undefined variable: b in /in/F5FeI on line 3 Notice: Undefined variable: c in /in/F5FeI on line 4