<?php require '../php_library/class_frontend.php'; $id = 1; if (isset($_GET['id'])) { $id = $_GET['id']; } $obj = new Frontend(); $posts = $obj->select_post_from_post_table_by_folder_id($id); $folder_name = $obj->folder_name_by_folder_id($id); include 'header.php'; ?> <div class="container"> <div class="row"> <div class="col-sm-8 blog-main"> <?php if ($posts->num_rows == 0) { echo "<h2>No post found in this folder"; } else { echo "<h1>Showing posts from {$folder_name} </h1> <hr><br>"; } while ($post = $posts->fetch_assoc()) { ?> <div class="blog-post"> <h2 class="blog-post-title"> <a href= "post.php?id=<?php echo $post['id']; ?> "><?php