3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $num = 0xffffffffffffffff; $inverted = ~$num; $plusone = $inverted + 1; var_dump($plusone);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(0)
Output for 4.3.6 - 5.2.17
float(9.2233720368548E+18)
Output for 4.3.0 - 4.3.5
int(-9223372036854775808)