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.

范例

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";
?>

以上例程会输出:

9

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