Php/docs/function.gmp-invert
From Get docs
gmp_invert
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_invert — Inverse by modulo
Parameters
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.
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() example
<?phpecho 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
