PHPerKaigi 2021

gmp_jacobi

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_jacobiJacobi symbol

Description

gmp_jacobi ( GMP|int|string $num1 , GMP|int|string $num2 ) : int

Computes » Jacobi symbol of num1 and num2. num2 should be odd and must be positive.

Parameters

num1

A GMP object, an int or a numeric string.

num2

A GMP object, an int or a numeric string.

Should be odd and must be positive.

Return Values

A GMP object.

Examples

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

See Also

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