<div class="swiper-container swiper-resize" data-ratio="<?php echo isset($ratio) ? $ratio : '4:3'; ?>">
    <div class="swiper-wrapper">

        <?php foreach($images as $image): ?>
            <div class="swiper-slide">
                <img src="<?php echo $image; ?>" alt="Van de Coevering Matrijzen" class="preload fill"/>
            </div>
        <?php endforeach; ?>
    </div>
</div>