gmp_legendre

Legendre symbol (PHP 4 >= 4.0.4, PHP 5)
int gmp_legendre ( resource a, resource p )

Compute the » Legendre symbol of a and p. p should be odd and must be positive.

例 680. gmp_legendre() example

<?php
echo gmp_legendre("1", "3") . "\n";
echo
gmp_legendre("2", "3") . "\n";
?>

The printout of the above program will be:

1
0