Arrays:

Car makes:

Array ( [0] => Audi [1] => BMW [2] => Mercedes )

Car makes: Element one

Audi

Shopping Basket:

Array ( [a] => bread [b] => milk [c] => eggs )
array(3) { ["a"]=> string(5) "bread" ["b"]=> string(4) "milk" ["c"]=> string(4) "eggs" }

shoppingBasket1 == shoppingBasket2

bool(true)

shoppingBasket1 === shoppingBasket2

bool(false)

Basket 3

Array ( [d] => yogurt [e] => orange [f] => apple )

shoppingBasket1<> shoppingBasket3

bool(true)

shoppingBasket1 + shoppingBasket3

Array ( [a] => bread [b] => milk [c] => eggs [d] => yogurt [e] => orange [f] => apple )