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# gmp_mod

(PHP 4 >= 4.0.4, PHP 5)

gmp_mod -- Modulo operation

## Description

resource gmp_mod ( resource n, resource d)

Calculates n modulo d. The result is always non-negative, the sign of d is ignored.

示範 1.gmp_mod() example

`<?php $mod = gmp_mod("8", "3"); echo gmp_strval($mod) . "\n"; ?>`

The printout of the above program will be:

    2

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