<div class="col-sm-12">
    <?php foreach ($data as $value) : ?>
        <div class="col-sm-offset-<?= $data['discussion_depth'] ?> ">
            <h2><?= $data['discussion_title'] ?></h2>
            <p><?= $data['discussion_content'] ?></p>
            <div class="alert alert-danger">
                in <a href="category/id/<?= $data['category_id'] ?>"><?= $data['category_name'] ?> </a>
                by <a href="user/id/<?= $data['user_id'] ?>"><?= $data['user_name'] ?> </a>
                at <?= date("Y ..", $data['time']) ?>
            </div>
        </div>
    <?php endforeach; ?>
</div>