stats_kurtosis (PECL stats >= 1.0.0)stats_kurtosis — Computes the kurtosis of the data in the array 说明 stats_kurtosis(array $a): float Returns the kurtosis of the values in a. 参数 a The input array 返回值 Returns the kurtosis of the values in a, or false if a is empty or is not an array.