GeneratePress - WOO Stacked Image Gallery for Single Product

NicheWooGalleryStack.php

<div class="woo-sumamry-wrap"><!-- open wrap -->
	<div class="woo-gallery-stack hide-on-mobile">
		<?php 
			global $product;

			// Get post product thumbnail
			if ( has_post_thumbnail( $product->get_id() ) ) {
				$attachment_ids[0] = get_post_thumbnail_id( $product->get_id() );
				$attachment = wp_get_attachment_image_src( $attachment_ids[0], 'full' ); 
				$attachment_alt = get_post_meta( $attachment_ids[0], '_wp_attachment_image_alt', TRUE);
				$attachmnent_title = get_the_title( $attachment_ids[0] );
			?>    
				<img src="<?php echo $attachment[0] ; ?>" alt="<?php echo $attachment_alt; ?>" title="<?php echo $attachmnent_title; ?>" />
			<?php 
			}

			// Get Product Gallery Images
			if ( method_exists( $product, 'get_gallery_image_ids' ) ) {
				$product_image_ids = $product->get_gallery_image_ids();

				foreach( $product_image_ids as $product_image_id ) {
					$image_url = wp_get_attachment_url( $product_image_id, 'full' );
					$image_alt = get_post_meta( $product_image_id, '_wp_attachment_image_alt', TRUE);
					$image_title = get_the_title( $product_image_id );
					echo '<img src="' . $image_url . '" alt="' . $image_alt . '" title="' . $image_title . '">';
				}
			}
        // Closing div found in Close Summary Wrap element
		?>
</div>