ID, '_product_image_gallery' ) ) {
$product_image_gallery = get_post_meta( $post->ID, '_product_image_gallery', true );
} else {
// Backwards compat
$attachment_ids = get_posts( 'post_parent=' . $post->ID . '&numberposts=-1&post_type=attachment&orderby=menu_order&order=ASC&post_mime_type=image&fields=ids&meta_key=_woocommerce_exclude_image&meta_value=0' );
$attachment_ids = array_diff( $attachment_ids, array( get_post_thumbnail_id() ) );
$product_image_gallery = implode( ',', $attachment_ids );
}
$attachments = array_filter( explode( ',', $product_image_gallery ) );
$update_meta = false;
$updated_gallery_ids = array();
if ( ! empty( $attachments ) ) {
foreach ( $attachments as $attachment_id ) {
$attachment = wp_get_attachment_image( $attachment_id, 'thumbnail' );
// if attachment is empty skip
if ( empty( $attachment ) ) {
$update_meta = true;
continue;
}
echo '
' . $attachment . '
';
// rebuild ids to be saved
$updated_gallery_ids[] = $attachment_id;
}
// need to update product meta to set new gallery ids
if ( $update_meta ) {
update_post_meta( $post->ID, '_product_image_gallery', implode( ',', $updated_gallery_ids ) );
}
}
?>