3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 2 ** 3; $y = 2; $y **= $x; echo $x; echo "\n"; echo $y; ?>
based on naSHO
Output for 5.6.8 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
8 256
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.5.35
Parse error: syntax error, unexpected '*' in /in/PRBT2 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '*' in /in/PRBT2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/PRBT2 on line 2
Process exited with code 255.