Php/docs/function.gmp-legendre
From Get docs
gmp_legendre
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_legendre — Legendre symbol
Description
Compute the
[http://primes.utm.edu/glossary/page.php?sort=LegendreSymbol »
Legendre symbol] of a and
p. p should be odd
and must be positive.
Parameters
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.
pEither 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.
Should be odd and must be positive.
Examples
Example #1 gmp_legendre() example
<?phpecho gmp_legendre("1", "3") . "\n";echo gmp_legendre("2", "3") . "\n";?>
The above example will output:
1 0
