gmp_mul

(PHP 4 >= 4.0.4, PHP 5)

gmp_mul — Multiply numbers

resource gmp_mul ( resource $a , resource $b )

Multiplies a by b and returns the result.

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.

A GMP number resource.

Example #1 gmp_mul() example


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

上例将输出：

24691356000