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.

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