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PHP

Subtract numbers


gmp_sub

(PHP 4 >= 4.0.4, PHP 5)

gmp_subSubtract numbers

Description

resource gmp_sub ( resource $a , resource $b )

Subtracts b from a and returns the result.

Parameters

a

The number being subtracted from.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

b

The number subtracted from a.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

Return Values

A GMP number resource.

Examples

Example #1 gmp_sub() example

<?php
$sub 
gmp_sub("281474976710656""4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>

The above example will output:

 281470681743360 



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