(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_legendre — Legendre symbol
Compute the
»
Legendre symbol of a and
p. p should be odd
and must be positive.
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.
Example #1 gmp_legendre() example
<?php
echo gmp_legendre("1", "3") . "\n";
echo gmp_legendre("2", "3") . "\n";
?>
The above example will output:
1 0