3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(0x7FFFFFFFFFFFFFFF + 1);
based on upCF3
Output for 4.3.6 - 7.1.0
float(9.2233720368548E+18)
Output for 4.3.0 - 4.3.5
int(-9223372036854775808)