[OC] Card deck (modulo 3 sur le résultat d'une requête)

x.md

https://openclassrooms.com/forum/sujet/sortie-de-boucle

x.php

<div class="card-deck">
<?php
$i = 0;
while($product = mysqli_fetch_assoc($result)):
    if ($i && ($i % 3) == 0):
?>
        </div>
        <div class="card-deck">
    <?php endif ?>
    <div class="card">
        <form>
            <img src="<?= htmlspecialchars($product['photo']) ?>" class="card-img-top" alt="...">
            <div class="card-body">
                <h5 class="card-title"><?= htmlspecialchars($product['product'], ENT_NOQUOTES) ?>|<?= htmlspecialchars($product['brand'], ENT_NOQUOTES) ?></h5>
                <p class="card-text"><?= htmlspecialchars($product['descript'], ENT_NOQUOTES) ?></p>
            </div>
            <div class="card-footer">
                <?php if(isset($_SESSION['auth'])): ?>
                <small class="text-muted"><button type="submit" class="btn btn-outline-info btn-sm"><?= $product['price'] ?> €</button></small>
                <?php if($_SESSION['auth']->username == "admin"): ?>
                <small class="text-muted">
                    <a href="edit.php?id=<?= $product['id'] ?>">Modifier </a>
                    <a href="delete.php?id=<?= $product['id'] ?>"> Supprimer</a></small>
                <?php endif ?>
                <?php else: ?>
                <small class="text-muted">A partir de <?= $product['price'] ?> €<br><a href="login.php">Connectez-vous pour plus d'informations</a></small>
                <?php endif ?>
            </div>
        </form>
    </div>
<?php
    $i++;
endwhile
?>
</div>