begini mas

<div class="container">
  <div class="row">
<?php
$qbarang = "SELECT * FROM barang WHERE ispublish = 'y' ORDER BY tanggalbarang DESC";
$rbarang = mysqli_query($mysqli,$qbarang);
while ($dbarang=mysqli_fetch_assoc($rbarang)) {
  $namabarang = $dbarang['namabarang'];
  $merkbarang = $dbarang['merkbarang'];
  $ketbarang = $dbarang['keteranganbarang'];
  $fotobarang = $dbarang['fotobarang'];
?>
    <div class="col-sm-4">
      <div class="panel panel-primary">
        <div class="panel-heading"><?php echo $namabarang ." " . $merkbarang ;?></div>
        <div class="panel-body"><img src="images/<?php echo $fotobarang; ?>" class="img-responsive" style="width:100%" alt="Image"></div>
        <div class="panel-footer"><?php echo $ketbarang; ?></div>
      </div>
    </div>
<?php  } ?>
   </div>
</div><br><br>