gmp_binomial

(PHP 7 >= 7.3.0, PHP 8)

gmp_binomial — Calculates binomial coefficient

Description

gmp_binomial(GMP|int|string $n, int $k): GMP

Calculates the binomial coefficient C(n, k).

Parameters

n

A GMP object, an int or a numeric string.

k

Return Values

Returns the binomial coefficient C(n, k).

Errors/Exceptions

Throws ValueError if k is negative. Prior to PHP 8.0.0, E_WARNING was issued instead.

Changelog

Version Description
8.0.0 This function no longer returns false on failure.