How can I mix up the order of values in an array?

A simple way to achieve the result of mixing up the values in an array is to use the shuffle function, which takes the name of the array you want to randomise. Here is a code snippet to demonstrate the shuffle function in action:


<?php

$values = range("A","Z");

shuffle($values);

print_r($values);

?>

This will print something like the below, shuffling up the letters of the alphabet:

Array
(
[0] => J
[1] => R
[2] => C
[3] => W
[4] => Y
[5] => L
[6] => B
[7] => A
[8] => P
[9] => O
[10] => M
[11] => V
[12] => D
[13] => X
[14] => F
[15] => S
[16] => Q
[17] => G
[18] => I
[19] => H
[20] => N
[21] => Z
[22] => U
[23] => E
[24] => K
[25] => T
)

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