<ul class="slick-slider">
<?php if( have_rows('slider') ): ?>
<?php while( have_rows('slider') ): the_row(); ?>
<li>
<?php $image = get_sub_field('image'); ?>
<img src="<?php echo $image['sizes']['post']; ?>" alt="<?php echo $image['title']; ?>">
<h2 class="campaign"><?php the_sub_field('campaign_message'); ?></h2>
<?php if (get_sub_field('button_text')): ?>
<a href="<?php the_sub_field('button_link'); ?>" class="cta btn">
<?php the_sub_field('button_text'); ?></a>
<?php endif; ?>
</li>
<?php endwhile; ?>
<?php endif; ?>
</ul>
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