3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 1; $b = 1; var_dump($a + $aa == $b + $b + $b++); ?>
Output for 5.0.4 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: aa in /in/C8W6q on line 4 bool(false)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: aa in /in/C8W6q on line 4 bool(false)