Online PHP editor | output for ErfsG

@ 2014-05-25T16:46:33Z

<?php

//Pi calculation code
//From Chao Xu
//At http://www.webdevlogs.com
function bcpi($precision){
    $num = "0";$k = "0";
    bcscale(bcadd($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 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.8 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: 3.141592653589793
Output for 7.0.5, 7.3.32 - 7.3.33, 7.4.33, 8.0.13: Fatal error: Uncaught Error: Call to undefined function bcscale() in /in/ErfsG:8 Stack trace: #0 /in/ErfsG(21): bcpi(15) #1 {main} thrown in /in/ErfsG 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/ErfsG on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1: 3.141592653589799

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