= 7.3.0, PHP 8)gmp_binomial — Calculates binomial coefficient說(shuō)明gmp_binomial(GMP|int|string $n, int $k): GMPCalculates the binomial">

gmp_binomial

(PHP 7 >= 7.3.0, PHP 8)

gmp_binomial — Calculates binomial coefficient

說(shuō)明

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

Calculates the binomial coefficient C(n, k).

參數(shù)

n

GMP 對(duì)象或 int ，或數(shù)字string。

k

返回值

Returns the binomial coefficient C(n, k).

錯(cuò)誤／異常

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

更新日志

版本 說(shuō)明
8.0.0 This function no longer returns false on failure.