gmp_com

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_com — Calculates one's complement

function gmp_com(GMP|int|string $num): GMP

Returns the one's complement of num.

num: A GMP object, an int, or a string that can be interpreted as a number following the same logic as if the string was used in gmp_init() with automatic base detection (i.e. when base is equal to 0).

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

Example #1 gmp_com() example

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

The above example will output:

-1235