Bootstrap carousel not working(php+wordpress+bootstrap) -

i wrote bit php bootstrap carousel

    <?php if( magic_get_attachment() ):          $attachments = magic_get_attachment(7);         //var_dump($attachments);     ?>          <div id="post-gallery-<?php the_id(); ?>" class="carousel slide" data-ride="carousel">                        <div class="carousel-inner" role="listbox">                  <?php                      $i = 0;                     foreach($attachments $attachment):                      $active = ($i == 0 ? ' active' : '');                 ?>                      <div class="item<?php echo $active; ?> background-image standard-featured" style="background-image: url(<?php echo wp_get_attachment_url( $attachment->id ); ?>);"></div>                  <?php $i++; endforeach; ?>               </div><!-- .carousel-inner -->          </div><!-- .carousel -->      <?php endif; ?> 

when inspect in chrome, can see images have been stored

but seems carousel not sliding. wrong code? thx.

problem solved.

bootstrap carousel cannot along jquery version higher 3.