(PHP 7 >= 7.3.0)
gmp_kronecker — Kronecker symbol
This function computes the Kronecker symbol of a and
b.
aEither 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.
bEither 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