twentyeleven_footer_sidebar_class()

711function twentyeleven_footer_sidebar_class() {712	$count = 0;713 714	if ( is_active_sidebar( 'sidebar-3' ) ) {715		++$count;716	}717 718	if ( is_active_sidebar( 'sidebar-4' ) ) {719		++$count;720	}721 722	if ( is_active_sidebar( 'sidebar-5' ) ) {723		++$count;724	}725 726	$class = '';727 728	switch ( $count ) {729		case '1':730			$class = 'one';731			break;732		case '2':733			$class = 'two';734			break;735		case '3':736			$class = 'three';737			break;738	}739 740	if ( $class ) {741		echo 'class="' . esc_attr( $class ) . '"';742	}743}