3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php while($i++<10000){ $v = strcmp("foo", "bar"); }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: i in /in/8B8qc on line 3
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: i in /in/8B8qc on line 3