(PHP 4 >= 4.0.4, PHP 5)
gmp_jacobi — Jacobi symbol
Computes » Jacobi symbol of a and p . p should be odd and must be positive.
A GMP number resource.
Example#1 gmp_jacobi() example
<?php
echo gmp_jacobi("1", "3") . "\n";
echo gmp_jacobi("2", "3") . "\n";
?>
The above example will output:
1
0