PHP | natsort() Function

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

The built-in PHP natsort() function is used to implement 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".

Syntax

Following below is the syntax to use this function -

natsort ( $array );

READ: PHP | list() Function

Parameter Details

Sr.No	Parameter & Description
1	array(Required) It specifies an array

Return Value

This function returns TRUE on success, or False on failure.

Example

Try out the below example -

<?php
   $input1 = array('click.txt', 'img12.txt', 'img10.txt', 'img2.txt', 'img1.txt', 'IMG3.txt');
   $input2 = $input1;  
   natsort($input2);
   echo " \n Natural order sorting \n";
   print_r($input2);
?> 

Output

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

Natural order sorting
Array ( [0] => click.txt [5] => IMG3.txt [4] => img1.txt [3] => img2.txt [2] => img10.txt [1] => img12.txt )

READ: PHP each() 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 PHP next() Function.

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