if(have_rows('post_carousel_item')):
                $carousel_counter = 0; ?>
                <div id="carouselExampleSlidesOnly" class="carousel slide" data-ride="carousel">
                    <div class="carousel-inner" role="listbox">
                    <?php while ( have_rows('post_carousel_item') ) : the_row();?>
                            <div class="carousel-item<?php if($carousel_counter ===0):?> active<?php endif;?>">
                                <img src="<?php the_sub_field('post_carousel_image');?>"/>
                                <div class="carousel-caption d-none d-md-block">
                                    <?php the_sub_field('post_carousel_caption');?>
                                </div>
                            </div>
                        <?php $carousel_counter++;?>
                    <?php endwhile;?>
                    </div>
                    <a class="carousel-control-prev" href="#carouselExampleControls" role="button" data-slide="prev">
                        <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                        <span class="sr-only">Previous</span>
                    </a>
                    <a class="carousel-control-next" href="#carouselExampleControls" role="button" data-slide="next">
                        <span class="carousel-control-next-icon" aria-hidden="true"></span>
                        <span class="sr-only">Next</span>
                    </a>
                </div>
            <?php endif;?>
       <?php  endif;
    endwhile;