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run code in 150+ php & hhvm versions
Bugs & Features
<?php //Pi calculation code //From Chao Xu //At http://www.webdevlogs.com function bcpi($precision){ $num = 0;$k = 0; bcscale($precision+3); $limit = ($precision+3)/14; while($k < $limit){ $num = bcadd($num,bcdiv(bcmul(bcadd('13591409',bcmul('545140134', $k)),bcmul(bcpow(-1, $k), bcfact(6*$k))),bcmul(bcmul(bcpow('640320',3*$k+1),bcsqrt('640320')), bcmul(bcfact(3*$k), bcpow(bcfact($k),3))))); ++$k; } return bcdiv(1,(bcmul(12,($num))),$precision); } function bcfact($n){ return ($n == 0 || $n== 1) ? 1 : bcmul($n,bcfact($n-1)); } echo bcpi(15);
Output for 4.3.2 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.4, 7.0.6 - 7.1.0
3.141592653589793
Output for 7.0.5
Fatal error: Uncaught Error: Call to undefined function bcscale() in /in/7TqV2:8 Stack trace: #0 /in/7TqV2(21): bcpi(15) #1 {main} thrown in /in/7TqV2 on line 8
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
Fatal error: Call to undefined function bcscale() in /in/7TqV2 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
3.141592653589799