3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 10; $b &= $a; $c = $b; $b = 9; var_dump($a,$b,$c);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: b in /in/LMh1G on line 3 int(10) int(9) int(0)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: b in /in/LMh1G on line 3 int(10) int(9) int(0)