CODE EXAMPLE FOR PHP

ACF Photo Gallery Output

<?php 
$images = get_field('gallery');

if( $images ): ?>
    <ul>
        <?php foreach( $images as $image ): ?>
            <li>
                <img src="<?php echo esc_url ( $image['full_image_url'] ); ?>" alt="<?php echo esc_attr( $image['alt'] ); ?>" />
                <p><?php echo esc_html( $image['caption'] ); ?></p>
            </li>
        <?php endforeach; ?>
    </ul>
<?php endif; ?>