gmp_invert
(PHP 4 >= 4.0.4, PHP 5)
gmp_invert -- Inverse by modulo
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";
?>
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The printout of the above program will be:
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