single product image flip

code-snippets.php

// Remove zoom and slider from single product
add_action("after_setup_theme", "lit_remove_woo_theme_support");
function lit_remove_woo_theme_support() {
	remove_theme_support( 'wc-product-gallery-zoom' );
	remove_theme_support( 'wc-product-gallery-slider' );
}

// Remove product thumbnails
remove_action( 'woocommerce_product_thumbnails', 'woocommerce_show_product_thumbnails', 20 );

// Add secondary image below first image on single product page
add_action( 'wp_head', 'lit_woo_single_image_flipping' );
function lit_woo_single_image_flipping() {

      // check if WooCommerce active
	if (!class_exists( 'WooCommerce' ) ) {
	  return;
	}

  	/* Abort if we're not on a single product */
	if ( !is_product() ) {
		return;
	}

  	/* Add Second Thumbnail below first thumbnail */
	add_action( 'woocommerce_product_thumbnails', 'lit_second_single_product_thumbnail' );

}

//* Function to get second product thumbnail from product gallery
function lit_second_single_product_thumbnail() {
  
  global $product;

  $attachment_ids = $product->get_gallery_image_ids();

  if ( $attachment_ids ) {
	$attachment_ids     = array_values( $attachment_ids );
	$secondary_image_id = $attachment_ids['0'];

	$secondary_image_alt = get_post_meta( $secondary_image_id, '_wp_attachment_image_alt', true );
	$secondary_image_title = get_the_title($secondary_image_id);

	echo wp_get_attachment_image(
	  $secondary_image_id,
	  'shop_catalog',
	  '',
	  array(
		'class' => 'secondary-image attachment-woocommerce_thumbnail',
		'alt' => $secondary_image_alt,
		'title' => $secondary_image_title
	  )
	);
  }
}