GMP_INVERT(3) 1 GMP_INVERT(3)
gmp_invert - Inverse by modulo
SYNOPSIS
GMP gmp_invert (GMP $a, GMP $b)
DESCRIPTION
Computes the inverse of $a modulo $b.
PARAMETERS
o $a
-Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is
possible to convert the latter to a number.
o $b
-Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is
possible to convert the latter to a number.
RETURN VALUES
A GMP number on success or FALSE if an inverse does not exist.
EXAMPLES
Example #1
gmp_invert(3) example
<?php
echo gmp_invert("5", "10"); // no inverse, outputs nothing, result is FALSE
$invert = gmp_invert("5", "11");
echo gmp_strval($invert) . "
";
?>
The above example will output:
9
PHP Documentation Group GMP_INVERT(3)
