- foreach ( array_keys($wp_meta_boxes[$screen->id]) as $context ) {
- foreach ( array_keys($wp_meta_boxes[$screen->id][$context]) as $priority ) {
- foreach ( $wp_meta_boxes[$screen->id][$context][$priority] as $box ) {
+ foreach ( array_keys( $wp_meta_boxes[ $screen->id ] ) as $context ) {
+ foreach ( array( 'high', 'core', 'default', 'low' ) as $priority ) {
+ if ( ! isset( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] ) ) {
+ continue;
+ }
+ foreach ( $wp_meta_boxes[ $screen->id ][ $context ][ $priority ] as $box ) {