3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php /** * @see https://community.developer.authorize.net/t5/The-Authorize-Net-Developer-Blog/Precision-Math-with-PHP/ba-p/8368 */ var_dump(floor((0.2 + 1.4) * 10)); // Should be 16. But it's 15! // Using BC Math var_dump(bcadd('0.2', '1.4', 2) * 10); // It's 16 like we would expect it to be. // Using GMP var_dump(gmp_add('0.2', '1.4') * 10);
based on 1FccM
Output for 5.6.0 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
float(15) float(16) Warning: gmp_add(): Unable to convert variable to GMP - string is not an integer in /in/KKZWP on line 13 int(0)
Output for 7.0.6 - 7.0.10
float(15) float(16) Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/KKZWP:13 Stack trace: #0 {main} thrown in /in/KKZWP on line 13
Process exited with code 255.
Output for 5.5.35 - 5.5.38, 5.6.21 - 5.6.25
float(15) float(16) Fatal error: Call to undefined function gmp_add() in /in/KKZWP on line 13
Process exited with code 255.
Output for 5.5.0 - 5.5.34
float(15) float(16) int(0)