3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function bcfact($n){ $factorial=$n; while (--$n>1) { echo $n. PHP_EOL; $factorial=bcmul($factorial,$n); } return $factorial; } echo PHP_EOL; echo PHP_EOL; echo PHP_EOL; print bcfact(5); $fact1 = gmp_fact(5); // 5 * 4 * 3 * 2 * 1 echo gmp_strval($fact1) . "\n";
based on NqSqQ
Output for 5.4.2 - 5.5.28, 5.5.31 - 5.5.33, 5.6.8 - 5.6.12, 5.6.16 - 5.6.19, 5.6.28 - 7.0.4, 7.0.20 - 7.2.0
4 3 2 120120
Output for 7.0.6
4 3 2 120 Fatal error: Uncaught Error: Call to undefined function gmp_fact() in /in/aP24V:18 Stack trace: #0 {main} thrown in /in/aP24V on line 18
Process exited with code 255.
Output for 7.0.5
4 Fatal error: Uncaught Error: Call to undefined function bcmul() in /in/aP24V:7 Stack trace: #0 /in/aP24V(16): bcfact(4) #1 {main} thrown in /in/aP24V on line 7
Process exited with code 255.
Output for 5.3.18 - 5.3.29, 5.5.35, 5.6.21
4 3 2 120 Fatal error: Call to undefined function gmp_fact() in /in/aP24V on line 18
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
4 Fatal error: Call to undefined function bcmul() in /in/aP24V on line 7
Process exited with code 255.