gmp_invert

Description

resource gmp_invert ( resource a, resource b )

Computes the inverse of a modulo b. Returns FALSE if an inverse does not exist.

例子 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";
?>

The printout of the above program will be: