GMP_LEGENDRE(3) 1 GMP_LEGENDRE(3)
gmp_legendre - Legendre symbol
SYNOPSIS
int gmp_legendre (GMP $a, GMP $p)
DESCRIPTION
Compute the Legendre symbol of $a and $p. $p should be odd and must be positive.
PARAMETERS
o $a
-Either 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.
o $p
-Either 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.
RETURN VALUES
A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.
EXAMPLES
Example #1
gmp_legendre(3) example
<?php
echo gmp_legendre("1", "3") . "
";
echo gmp_legendre("2", "3") . "
";
?>
The above example will output:
1
0
PHP Documentation Group GMP_LEGENDRE(3)
