PhpRiot
Become Zend Certified

Prepare for the ZCE exam using our quizzes (web or iPad/iPhone). More info...


When you're ready get 7.5% off your exam voucher using voucher CJQNOV23 at the Zend Store

gmp_com

(PHP 4 >= 4.0.4, PHP 5)

gmp_comCalculates one's complement

Description

resource gmp_com ( resource $a )

Returns the one's complement of a.

Parameters

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

Returns the one's complement of a, as a GMP number.

Examples

Example #1 gmp_com() example

<?php
$com 
gmp_com("1234");
echo 
gmp_strval($com) . "\n";
?>

The above example will output:

-1235

PHP Manual