(PHP 7 >= 7.3.0)
gmp_kronecker — Kronecker symbol
$a
$b
This function computes the Kronecker symbol of a and b.
a
b
PHP 5.5 之前为 GMP 数值资源,PHP 5.6 之后为 GMP 对象或数字,或可以转为数字的字符串。
Returns the Kronecker symbol of a and b