array of arrays accessed randomly

arrays.php

<?php

$arrangements = array(
	array(1,2),
	array(1,3),
	array(2,3),
	array(3,1),
	array(3,2)
);

$max = count($arrangements) - 1;

foreach ($arrangements[mt_rand(0,$max)] as $quote)
{
	echo "<img src=\"quote" . $quote . ".png\" alt=\"\" style=\"display: none;\" />";
}