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PHP shuffle() Function

Complete PHP Array Reference

Definition and Usage

The shuffle() function randomizes the order of the elements in the array.

This function assigns new keys for the elements in the array. Existing keys will be removed.

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

Syntax

shuffle(array)

Example

<?php
$my_array = array("a" => "Dog", "b" => "Cat", "c" => "Horse");

shuffle($my_array);
print_r($my_array);
?>

The output of the code above could be:

Array ( [0] => Cat [1] => Horse [2] => Dog ) 

Complete PHP Array Reference

From http://www.w3schools.com (Copyright Refsnes Data)