3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(PHP_INT_MAX, ~PHP_INT_MAX);
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3
int(9223372036854775807) int(-9223372036854775808)