3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( pow( 2, 63 ) - 1 );
Output for 4.3.6 - 7.2.0
float(9.2233720368548E+18)
Output for 4.3.0 - 4.3.5
int(9223372036854775807)