/**
* Get the images for a product or product variation
*
* @since 2.1
* @param WC_Product|WC_Product_Variation $product
* @return array
*/
private function get_images($product)
{
$images = $attachment_ids = array();
$product_image = $product->get_image_id();
// Add featured image.
if (!empty($product_image)) {
$attachment_ids[] = $product_image;
}
// add gallery images.
$attachment_ids = array_merge($attachment_ids, $product->get_gallery_image_ids());
// Build image data.
foreach ($attachment_ids as $position => $attachment_id) {
$attachment_post = get_post($attachment_id);
if (is_null($attachment_post)) {
continue;
}
$attachment = wp_get_attachment_image_src($attachment_id, 'full');
if (!is_array($attachment)) {
continue;
}
$images[] = array('id' => (int) $attachment_id, 'created_at' => $this->server->format_datetime($attachment_post->post_date_gmt), 'updated_at' => $this->server->format_datetime($attachment_post->post_modified_gmt), 'src' => current($attachment), 'title' => get_the_title($attachment_id), 'alt' => get_post_meta($attachment_id, '_wp_attachment_image_alt', true), 'position' => $position);
}
// Set a placeholder image if the product has no images set.
if (empty($images)) {
$images[] = array('id' => 0, 'created_at' => $this->server->format_datetime(time()), 'updated_at' => $this->server->format_datetime(time()), 'src' => wc_placeholder_img_src(), 'title' => __('Placeholder', 'woocommerce'), 'alt' => __('Placeholder', 'woocommerce'), 'position' => 0);
}
return $images;
}