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Source View: screen_layout_columns

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Source View

Line Code
931            * This hook provides back-compat for plugins using the back-compat
932            * Filters instead of add_screen_option().
933            *
934            * @since 2.8.0
935            *
936            * @param array     $empty_columns Empty array.
937            * @param string    $screen_id     Screen ID.
938            * @param WP_Screen $screen        Current WP_Screen instance.
939            */
940           $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
941
942           if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) {
943                $this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) );
944           }
945
946           if ( $this->get_option( 'layout_columns' ) ) {
947                $this->columns = (int) get_user_option( "screen_layout_$this->id" );
948
949                if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) {