PHP natsort() Function

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Example

Sort an array:

<?php
$temp_files = array("temp15.txt","temp10.txt",
"temp1.txt","temp22.txt","temp2.txt");

sort($temp_files);
echo "Standard sorting: ";
print_r($temp_files);
echo "<br>";

natsort($temp_files);
echo "Natural order: ";
print_r($temp_files);
?>

Run example »

Definition and Usage

The natsort() function sorts an array by using a "natural order" algorithm. The values keep their original keys.

In a natural algorithm, the number 2 is less than the number 10. In computer sorting, 10 is less than 2, because the first number in "10" is less than 2.


Syntax

natsort(array)

Parameter Description
array Required. Specifies the array to sort

Technical Details

Return Value: Returns TRUE on success, or FALSE on failure.
PHP Version: 4+
Changelog: As of PHP 5.2.10, Zero padded numeric strings (e.g., '00006') now ignore the 0 padding

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