<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="#">Project JSON-RPC</a> </div> </div> </div> <div class="panel-group" id="accordion"> <?php //if there's any user action $action = isset($_POST['action']) ? $_POST['action'] : ""; if ($action == 'create') { $nama = $myExample->nama('name'); $pesan = "" . $nama . "" . $_POST['pesan']; $myExample->writeSomething($pesan); $action = null; } ?> <form action="#" method="POST" role="form"> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"> <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">Communication</a> </h4> </div> <div id="collapseOne" class="panel-collapse collapse in"> <div class="panel-body"> <div class="row">