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.