When i click on one accordion button they all expand. i want to expand one accordion's data at a time when i click on it and all other collapsed at the same time.
here is my code
<?php
$i = 1;
$user = $_SESSION['auth_user']['user_id'];
$query = "SELECT * FROM task WHERE user_id = '$user' ORDER BY datetime DESC";
$query_run = mysqli_query($con, $query);
while ($res = mysqli_fetch_array($query_run))
{
?>
<div class="accordion" id="accordionExample">
<div class="card">
<div class="card-header" id="headingOne">
<h4 class="mb-0">
<button class="btn btn-link btn-block text-left" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
<div class="container">
<div class="row">
<div class="col">
<?php echo $i++ ?>. <?php echo $res['domain']; ?> (<?php echo $res['datetime']; ?>)
</div>
</div>
</div>
</button>
</h4>
</div>
<div id="collapseOne" class="collapse" aria-labelledby="headingOne" data-parent="#accordionExample">
<div class="card-body">
</div>
</div>
</div>
</div>
<?php
}
?>