useful recursive PHP functions

recursively ...

(PHP 3, PHP 4 )

bcpow -- Raise an arbitrary precision number to another

string bcpow ( string x, string y [, int scale])

Raise x to the power y. The optional scale can be used to set the number of digits after the decimal place in the result.

Example 1. bcpow() example


<?php

echo bcpow(4.2, 3, 2); // 74.08

?>