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Source View: postbox_classes_{$page}_{$id}

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Source View

Line Code
960           if ( !is_array( $closed ) ) {
961                $classes = array( '' );
962           } else {
963                $classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
964           }
965      } else {
966           $classes = array( '' );
967      }
968
969      $classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
970      return implode( ' ', $classes );
971 }
972
973 /**
974  * {@internal Missing Short Description}}
975  *
976  * @since 2.5.0
977  *
978  * @param int|object $id    Post ID or post object.