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# gmp_add

(PHP 4 >= 4.0.4, PHP 5)

gmp_add -- Add numbers

## Description

resource gmp_add ( resource a, resource b )

Add two GMP numbers. The result will be a GMP number representing the sum of the arguments.

例子 1. gmp_add() example

`<?php $sum = gmp_add("123456789012345", "76543210987655"); echo gmp_strval($sum) . "\n"; ?>`

The printout of the above program will be:

    200000000000000

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