3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 200.51; $b = 200.50; print_r(abs($a-$b)); print_r(abs(gmp_sub($a, $b)));
based on CO32G
Output for 5.4.11 - 5.4.45, 5.6.0 - 7.3.0
0.0099999999999909 Warning: gmp_sub(): Unable to convert variable to GMP - wrong type in /in/UPj3W on line 7 0
Output for 5.3.21 - 5.3.29, 5.5.0 - 5.5.38
0.0099999999999909 Fatal error: Call to undefined function gmp_sub() in /in/UPj3W on line 7
Process exited with code 255.