3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // only works on 32 and not 64bit int $bits = 32; $N = 0xfffffffe; $result = -( bcpow(2, $bits) - $N); echo $result,"\n";
Output for 4.3.0 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 7.0.4, 7.0.6 - 7.1.0
-2
Output for 7.0.5
Fatal error: Uncaught Error: Call to undefined function bcpow() in /in/E61Km:6 Stack trace: #0 {main} thrown in /in/E61Km on line 6
Process exited with code 255.
Output for 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20
Fatal error: Call to undefined function bcpow() in /in/E61Km on line 6
Process exited with code 255.