%s', esc_url( $props['url'] ), esc_attr( $image_class ), esc_attr( $props['caption'] ), wp_get_attachment_image( $attachment_id, apply_filters( 'single_product_small_thumbnail_size', 'shop_thumbnail' ), 0, $props ) ), $attachment_id, $post->ID, esc_attr( $image_class ) ); $loop++; } ?>