gmp_powm
(PHP 4 >= 4.0.4)
gmp_powm -- Raise number into power with modulo
Description
resource gmp_powm ( resource base, resource exp, resource
mod)
Calculate (base raised into power exp) modulo mod. If exp
is negative, result is undefined.
Example 1. gmp_powm() example
<?php
$pow1 = gmp_powm("2", "31", "2147483649");
echo gmp_strval($pow1) . "\n";
?>
The printout of the above program will be:
2147483648
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