PHP natcasesort() Function Usage and Example

PHP Array Function Manual

The natcasesort() function sorts an array with the 'natural sorting' algorithm, case insensitive for letters

Syntax

natcasesort　(　$array　);

Definition and Usage

This function implements a sorting algorithm that sorts alphanumeric strings in a way similar to humans, while keeping the keys/Value association. This is called 'natural sorting'.

Parameter

Return value

This function returns TRUE on success and FALSE on failure.

Online example

<?php
　　　$array1　=　array('click0.txt',　'click12.txt',　'click10.txt',　'click2.txt',　'click1.txt',　'click3.txt');
　　　$array2　=　$array1;
　　　natcasesort($array2);
　　　echo　"　\n　Natural order sorting (case insensitive)　\n";
　　　print_r($array2);
?>

Output 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　)

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