gmp_invert
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_invert — Inverse by modulo
Description
gmp_invert(GMP|int|string $num1, GMP|int|string $num2): GMP|false
Computes the inverse of num1 modulo num2.
Parameters
Return Values
A GMP number on success or false if an inverse does not exist.
Examples
Example #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 above example will output:
9
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https://www.php.net/manual/en/function.gmp-invert.php
