PHP: gmp_binomial - Manual

(PHP 7 >= 7.3.0, PHP 8)

gmp_binomial — Calculates binomial coefficient

Description

Parameters

n

A GMP object, an int, or a string that can be interpreted as a number following the same logic as if the string was used in gmp_init() with automatic base detection (i.e. when base is equal to 0).

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.

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