PHP | natcasesort() Function

PHP natcasesort() Function

Hello dear readers! welcome back to another section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP natcasesort() Function.

The PHP natcasesort() function executes a sort algorithm that orders alphanumeric strings in the manner that a human being would while maintaining the key/value associations. This is described as a "natural ordering".


Following below is the syntax to use this function -

natcasesort ( $array );

Parameter Details

Sr.NoParameter & Description


Specifies an array

Return Value

This built-in function returns TRUE on success, or False on failure.


Try out the below example -

   $array1 = array('click0.txt', 'click12.txt', 'click10.txt', 'click2.txt', 'click1.txt', 'click3.txt');
   $array2 = $array1;
   echo " \n Natural order sorting (case-insensitive) \n";


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

Natural order sorting (case-insensitive)
Array ( [0] => click0.txt [4] => click1.txt [3] => click2.txt [5] => click3.txt [2] => click10.txt [1] => click12.txt )

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

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