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resource gmp_powm ( resource $base , resource $exp , resource $mod )

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

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.

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

Пример #1 gmp_powm() example


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

Результат выполнения данного примера:

2147483648