(PHP 7 >= 7.3.0)
gmp_binomial — Calculates binomial coefficient
gmp_binomial ( GMP|int|string $n , int $k ) : GMP
Calculates the binomial coefficient C(n, k).
n
A GMP object, an int or a numeric string.
k
Returns the binomial coefficient C(n, k).
Throws ValueError if k is negative. Prior to PHP 8.0.0, E_WARNING was issued instead.
| Version | Description |
|---|---|
| 8.0.0 | This function no longer returns false on failure. |
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https://www.php.net/manual/en/function.gmp-binomial.php