Slider Codeigniter

<div id="home" class="intro route bg-image">
    <div class="overlay-mf"></div>

      <div class="row">
         <?php foreach($artikel as $a){ ?>
        <div class="col-md-12">
          <div id="testimonial-mf" class="owl-carousel owl-theme">
            <div class="testimonial-box">
              <a href="<?php echo base_url().$a->artikel_slug ?>">
                                <?php if($a->artikel_sampul != ""){ ?>
                                  <img src="<?php echo base_url(); ?>gambar/artikel/<?php echo $a->artikel_sampul ?>" alt="" class="img-fluid">
                                <?php } ?>
                              </a>

 <div class="content-test">
                <span class="comit"><i class="fa fa-quote-right"></i></span>
</div>
            </div>
          <?php } ?>
          </div>
        </div>

    </div>