exercice boucle

Array
(
    [pomme] => 3
    [banane] => 2
    [orange] => 3
    [kiwi] => 4
    [fraise] => 1
)

0=>pomme

1=>fraise

2=>banane

3=>kiwi

Array
(
    [0] => pomme
    [1] => fraise
    [2] => banane
    [3] => kiwi
)