gmp_com

(PHP 4 >= 4.0.4, PHP 5)

gmp_com — Calculates one's complement

resource gmp_com ( resource $a )

Returns the one's complement of a .

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.

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

Example#1 gmp_com() example


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

上例将输出：

-1235