function factorialRecursive($number) { if ($number == 1) { return 1; } return $number * factorialRecursive($number - 1); }
/** * Recursive function which takes an integer as parameter and returns the factorial of that number * * @param $a int * @return int */ function factorialRecursive($a) { if ($a == 1) { return 1; } return $a * factorialRecursive($a - 1); }