PHP WP二十世界主题宽度侧边栏页脚再次。第4部分：FUNCTIONS.PHP（再次）

Posted 2021-05-14

/**
 * Count the number of footer sidebars to enable dynamic classes for the footer
 
 Ported from twentyeleven by Martin Ochoa 2013-06-12
 */
function twentytwelve_footer_sidebar_class() {
	$count = 0;

	if ( is_active_sidebar( 'sidebar-4' ) )
		$count++;

	if ( is_active_sidebar( 'sidebar-5' ) )
		$count++;

	if ( is_active_sidebar( 'sidebar-6' ) )
		$count++;

	$class = '';

	switch ( $count ) {
		case '1':
			$class = 'one';
			break;
		case '2':
			$class = 'two';
			break;
		case '3':
			$class = 'three';
			break;
	}

	if ( $class )
		echo 'class="' . $class . '"';
}