3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 2; var_dump($foo); $bar = pow(2, 63); var_dump($bar); var_dump($foo * $bar);
based on lFMn7
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
int(2) float(9.2233720368548E+18) float(1.844674407371E+19)