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gmp_sub

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

gmp_subSubtract numbers

说明

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

Subtracts num2 from num1 and returns the result.

参数

num1

The number being subtracted from.

GMP 对象或 int ,或数字string

num2

The number subtracted from num1.

GMP 对象或 int ,或数字string

返回值

GMP 对象。

范例

示例 #1 gmp_sub() example

<?php
$sub 
gmp_sub("281474976710656""4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>

以上例程会输出:

281470681743360

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