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gmp_powm
Raise number into power with modulo
(PHP 4 >= 4.0.4, PHP 5)
resource gmp_powm ( resource base, resource exp, resource mod )
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.
Examples
Example 807. gmp_powm() example
<?php
$pow1 = gmp_powm("2", "31", "2147483649");
echo gmp_strval($pow1) . "\n";
?>The above example will output:
2147483648