+ if ( is_attachment() ) {
+ $mime_type = get_post_mime_type($post_id);
+ $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
+ $classes[] = 'attachmentid-' . $post_id;
+ $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type );
+ }
+ } elseif ( is_archive() ) {
+ if ( is_post_type_archive() ) {
+ $classes[] = 'post-type-archive';
+ $classes[] = 'post-type-archive-' . sanitize_html_class( get_query_var( 'post_type' ) );
+ } else if ( is_author() ) {
+ $author = $wp_query->get_queried_object();
+ $classes[] = 'author';
+ if ( isset( $author->user_nicename ) ) {
+ $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
+ $classes[] = 'author-' . $author->ID;
+ }
+ } elseif ( is_category() ) {
+ $cat = $wp_query->get_queried_object();
+ $classes[] = 'category';
+ if ( isset( $cat->term_id ) ) {
+ $classes[] = 'category-' . sanitize_html_class( $cat->slug, $cat->term_id );
+ $classes[] = 'category-' . $cat->term_id;
+ }
+ } elseif ( is_tag() ) {
+ $tags = $wp_query->get_queried_object();
+ $classes[] = 'tag';
+ if ( isset( $tags->term_id ) ) {
+ $classes[] = 'tag-' . sanitize_html_class( $tags->slug, $tags->term_id );
+ $classes[] = 'tag-' . $tags->term_id;
+ }
+ } elseif ( is_tax() ) {
+ $term = $wp_query->get_queried_object();
+ if ( isset( $term->term_id ) ) {
+ $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );
+ $classes[] = 'term-' . sanitize_html_class( $term->slug, $term->term_id );
+ $classes[] = 'term-' . $term->term_id;
+ }
+ }
+ } elseif ( is_page() ) {
+ $classes[] = 'page';
+
+ $page_id = $wp_query->get_queried_object_id();
+
+ $post = get_post($page_id);
+
+ $classes[] = 'page-id-' . $page_id;
+
+ if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' AND post_status = 'publish' LIMIT 1", $page_id) ) )
+ $classes[] = 'page-parent';
+
+ if ( $post->post_parent ) {
+ $classes[] = 'page-child';
+ $classes[] = 'parent-pageid-' . $post->post_parent;
+ }
+ if ( is_page_template() ) {
+ $classes[] = 'page-template';
+ $classes[] = 'page-template-' . sanitize_html_class( str_replace( '.', '-', get_page_template_slug( $page_id ) ) );
+ } else {
+ $classes[] = 'page-template-default';
+ }
+ }
+
+ if ( is_user_logged_in() )
+ $classes[] = 'logged-in';
+
+ if ( is_admin_bar_showing() ) {
+ $classes[] = 'admin-bar';
+ $classes[] = 'no-customize-support';
+ }
+
+ if ( get_theme_mod( 'background_color' ) || get_background_image() )
+ $classes[] = 'custom-background';
+
+ $page = $wp_query->get( 'page' );
+
+ if ( !$page || $page < 2)
+ $page = $wp_query->get( 'paged' );
+
+ if ( $page && $page > 1 ) {
+ $classes[] = 'paged-' . $page;
+
+ if ( is_single() )
+ $classes[] = 'single-paged-' . $page;
+ elseif ( is_page() )
+ $classes[] = 'page-paged-' . $page;
+ elseif ( is_category() )
+ $classes[] = 'category-paged-' . $page;
+ elseif ( is_tag() )
+ $classes[] = 'tag-paged-' . $page;
+ elseif ( is_date() )
+ $classes[] = 'date-paged-' . $page;
+ elseif ( is_author() )
+ $classes[] = 'author-paged-' . $page;
+ elseif ( is_search() )
+ $classes[] = 'search-paged-' . $page;
+ elseif ( is_post_type_archive() )
+ $classes[] = 'post-type-paged-' . $page;
+ }
+
+ if ( ! empty( $class ) ) {
+ if ( !is_array( $class ) )
+ $class = preg_split( '#\s+#', $class );
+ $classes = array_merge( $classes, $class );
+ } else {
+ // Ensure that we always coerce class to being an array.
+ $class = array();
+ }
+
+ $classes = array_map( 'esc_attr', $classes );
+
+ return apply_filters( 'body_class', $classes, $class );