'col-md-12 col-xs-12', 2 => 'col-md-6 col-sm-12', 3 => 'col-md-4 col-sm-12', 4 => 'col-md-3 col-sm-6 col-xs-12' ); if ( ! empty( $active_sidebars ) ) { $class = $columns_classes[ count( $active_sidebars ) ]; ?>