JavaScript Editor Javascript debugger     Website design 

gmp_powm

Raise number into power with modulo (PHP 4 >= 4.0.4, PHP 5)
resource gmp_powm ( resource base, resource exp, resource mod )

Calculate (base raised into power exp) modulo mod. If exp is negative, result is undefined.

Parameters

base

The base number.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

exp

The positive power to raise the base.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

mod

The modulo.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

Return Values

The new (raised) number, as a GMP number.

Examples

Example 807. gmp_powm() example

<?php
$pow1
= gmp_powm("2", "31", "2147483649");
echo
gmp_strval($pow1) . "\n";
?>

The above example will output:

2147483648