<div id="accordion">
<div class="card">
<div class="card-header" id="heading<?php echo $item["id"]; ?>">
<h5 class="mb-0">
<button class="btn btn-link" data-toggle="collapse" data-target="#collapse<?php echo $item["id"]; ?>" aria-expanded="true" aria-controls="collapse<?php echo $item["id"]; ?>">
<?php echo $item["id"]; ?> - <?php echo $item["deneme"]; ?> - <?php echo $item["deneme2"]; ?> - AAA:<?php echo $item["deneme3"]; ?>
</button>
</h5>
</div>

<div id="collapse<?php echo $item["id"]; ?>" class="collapse" aria-labelledby="heading<?php echo $item["id"]; ?>" data-parent="#accordion">
<div class="card-body">
<?php echo $item["deneme4"]; ?>
</div>
</div>
</div>
<?php } ?>
</div>