<?php
$notes = [];
$on = true;
while ($on) {

    $note_entree = readline("Entrée une note : ");
    if ($note_entree == 'fin'){
        $on = FALSE;
        echo 'vos notes son :\n';
    }
    $notes[] = $note_entree;
}
foreach ($notes as $note){

    echo "- $note\n";
}