GMP Functions
PHP Manual

gmp_mul

Multiply numbers

Description

resource gmp_mul ( resource $a , resource $b )

Multiplies a by b and returns the result.

Parameters

a

A number that will be multiplied by b.

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

A number that will be multiplied by 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_mul example

<?php
$mul = gmp_mul("12345678", "2000");
echo gmp_strval($mul) . "\n";
?>

The above example will output:

24691356000