Composed arrays

Example 1

$MeubelsEnLiving['Meubels']['Tafels'] = 2
$MeubelsEnLiving['Living']['Salontafels'] = 3
* Meubels--- Aantal stuks:11
* Living--- Aantal stuks:12

Example2

$zoogdieren=array("paard","koe","varken")
$vogels=array("mus","merel")
$insecten=array("vlieg","mug")

$dieren=array("zoogdier"=>$zoogdieren,"vogel"=>$vogels,"insect"=>$insecten)
zoogdier
-->paard
-->koe
-->varken
vogel
-->mus
-->merel
insect
-->vlieg
-->mug
Array
(
    [zoogdier] => Array
        (
            [0] => paard
            [1] => koe
            [2] => varken
        )

    [vogel] => Array
        (
            [0] => mus
            [1] => merel
        )

    [insect] => Array
        (
            [0] => vlieg
            [1] => mug
        )

)