gmp_invert

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

gmp_invertInverse by modulo

说明

gmp_invert(GMP|int|string $num1, GMP|int|string $num2): GMP|false

Computes the inverse of num1 modulo num2.

参数

num1

GMP 对象或 int ,或数字string

num2

GMP 对象或 int ,或数字string

返回值

A GMP number on success or false if an inverse does not exist.

示例

示例 #1 gmp_invert() example

<?php
echo gmp_invert("5", "10"); // no inverse, outputs nothing, result is FALSE
$invert = gmp_invert("5", "11");
echo
gmp_strval($invert) . "\n";
?>

以上示例会输出:

9