PHP | stats_kurtosis() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP stats_kurtosis() Function.

The built-in PHP stats_kurtosis() function is used to compute the kurtosis of the data in the array.

Syntax

Following below is the syntax to use this function -

float stats_kurtosis( array $a )

READ: PHP | stats_harmonic_mean() Function

Parameter Details

Sr.No	Parameter	Description
1	a	The input array

Return Value

This function returns the kurtosis of values in a or false if a is empty or not an array.

Dependencies

This built-in function was first introduced in statistics extension (PHP version 4.0.0 and PEAR v1.4.0). In this tutorial guide, we used the latest release of stats-2.0.3 (PHP v7.0.0 or newer and PEAR version 1.4.0 or newer).

Example1

The following example below computes the kurtosis array -

<?php
   var_dump(sprintf("%2.9f", stats_kurtosis(array(1,3,5,7))));
   }
?>

Output

When the above code is executed, it will produce the following result -

string(12) "-1.360000000"

Example2

Following example below is an error case, in the below example, we passed an empty array. A warning is shown in logs -

<?php
   // error cases
   var_dump(stats_kurtosis(array()));
?>

Output

The above code will produce the following result and a warning in logs PHP Warning: stats_kurtosis(): The array has 0 elements

bool(false)

READ: PHP | stats_dens_weibull() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the stats_rand_gen_beta() Function.

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