Repeater ACF 2

<?php if( get_field('repeater_name') ): while( has_sub_field('repeater_name') ): ?>
    <li><?php the_sub_field('repeater_subfield'); ?></li>
<?php endwhile; endif; ?>

<?php while(the_repeater_field('gallery_images','option')): ?>
    <img src="<?php the_sub_field('image'); ?>" alt="<?php the_sub_field('alt'); ?>" />
<?php endwhile; ?>