3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if(function_exists("gmp_add")) { echo "yes"; }else { echo "no"; }
based on aoip4
Output for 5.4.0 - 5.5.34, 5.6.8 - 5.6.20, 5.6.28 - 7.0.5, 7.0.14 - 7.1.0
yes
Output for 4.3.0 - 5.3.29, 5.5.35, 5.6.21, 7.0.6
no