3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $gmp = gmp_add(10, 20); echo $gmp;
Output for 5.6.8 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
30
Output for 7.0.6
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/6Wuju:3 Stack trace: #0 {main} thrown in /in/6Wuju on line 3
Process exited with code 255.
Output for 5.3.20 - 5.3.29, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_add() in /in/6Wuju on line 3
Process exited with code 255.
Output for 5.4.10 - 5.5.34
Resource id #5