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gmp_neg

Contents

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_neg — Negate number

Description

gmp_neg ( GMP $a ) : GMP

Returns the negative value of a number.

PHP: gmp_neg - Manual Home of Manuel PHP  Contents Haut

Parameters

a

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

PHP: gmp_neg - Manual Home of Manuel PHP  Contents Haut

Return Values

Returns -a, as a GMP number.

PHP: gmp_neg - Manual Home of Manuel PHP  Contents Haut

Examples

Example #1 gmp_neg() example

<?php
$neg1 = gmp_neg("1");
echo gmp_strval($neg1) . "\n";
$neg2 = gmp_neg("-1");
echo gmp_strval($neg2) . "\n";
?>

The above example will output:

-1
1

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