gmp_sub

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

gmp_sub — Subtract numbers

gmp_sub(GMP|int|string $num1, GMP|int|string $num2): GMP

Subtracts num2 from num1 and returns the result.

num1

The number being subtracted from.

A GMP object, an int or a numeric string.

num2

The number subtracted from num1.

A GMP object, an int or a numeric string.

A GMP object.

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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