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# gmp_divexact

(PHP 4 >= 4.0.4, PHP 5)

gmp_divexact -- Exact division of numbers

## Description

resource gmp_divexact ( resource n, resource d )

Divides n by d, using fast "exact division" algorithm. This function produces correct results only when it is known in advance that d divides n.

範例 1. gmp_divexact() example

`<?php $div1 = gmp_divexact("10", "2"); echo gmp_strval($div1) . "\n"; $div2 = gmp_divexact("10", "3"); // bogus result echo gmp_strval($div2) . "\n"; ?>`

The printout of the above program will be:

    5
    2863311534

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