gmp_kronecker

(PHP 7 >= 7.3.0)

gmp_kronecker — Kronecker symbol

gmp_kronecker ( mixed $a , mixed $b ) : int

This function computes the Kronecker symbol of a and b.

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.

Returns the Kronecker symbol of a and b