get_body_class( string|string[] $css_class = '' ): string[]

Source

function get_body_class( $css_class = '' ) {	global $wp_query;	$classes = array();	if ( is_rtl() ) {	$classes[] = 'rtl';	}	if ( is_front_page() ) {	$classes[] = 'home';	}	if ( is_home() ) {	$classes[] = 'blog';	}	if ( is_privacy_policy() ) {	$classes[] = 'privacy-policy';	}	if ( is_archive() ) {	$classes[] = 'archive';	}	if ( is_date() ) {	$classes[] = 'date';	}	if ( is_search() ) {	$classes[] = 'search';	$classes[] = $wp_query->posts ? 'search-results' : 'search-no-results';	}	if ( is_paged() ) {	$classes[] = 'paged';	}	if ( is_attachment() ) {	$classes[] = 'attachment';	}	if ( is_404() ) {	$classes[] = 'error404';	}	if ( is_singular() ) {	$post = $wp_query->get_queried_object();	$post_id = $post->ID;	$post_type = $post->post_type;	$classes[] = 'wp-singular';	if ( is_page_template() ) {	$classes[] = "{$post_type}-template";	$template_slug = get_page_template_slug( $post_id );	$template_parts = explode( '/', $template_slug );	foreach ( $template_parts as $part ) {	$classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( array( '.', '/' ), '-', basename( $part, '.php' ) ) );	}	$classes[] = "{$post_type}-template-" . sanitize_html_class( str_replace( '.', '-', $template_slug ) );	} else {	$classes[] = "{$post_type}-template-default";	}	if ( is_single() ) {	$classes[] = 'single';	if ( isset( $post->post_type ) ) {	$classes[] = 'single-' . sanitize_html_class( $post->post_type, $post_id );	$classes[] = 'postid-' . $post_id;	// Post Format.	if ( post_type_supports( $post->post_type, 'post-formats' ) ) {	$post_format = get_post_format( $post->ID );	if ( $post_format && ! is_wp_error( $post_format ) ) {	$classes[] = 'single-format-' . sanitize_html_class( $post_format );	} else {	$classes[] = 'single-format-standard';	}	}	}	}	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_page() ) {	$classes[] = 'page';	$classes[] = 'page-id-' . $post_id;	if ( get_pages(	array(	'parent' => $post_id,	'number' => 1,	)	) ) {	$classes[] = 'page-parent';	}	if ( $post->post_parent ) {	$classes[] = 'page-child';	$classes[] = 'parent-pageid-' . $post->post_parent;	}	}	} elseif ( is_archive() ) {	if ( is_post_type_archive() ) {	$classes[] = 'post-type-archive';	$post_type = get_query_var( 'post_type' );	if ( is_array( $post_type ) ) {	$post_type = reset( $post_type );	}	$classes[] = 'post-type-archive-' . sanitize_html_class( $post_type );	} elseif ( 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 ) ) {	$cat_class = sanitize_html_class( $cat->slug, $cat->term_id );	if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) {	$cat_class = $cat->term_id;	}	$classes[] = 'category-' . $cat_class;	$classes[] = 'category-' . $cat->term_id;	}	} elseif ( is_tag() ) {	$tag = $wp_query->get_queried_object();	$classes[] = 'tag';	if ( isset( $tag->term_id ) ) {	$tag_class = sanitize_html_class( $tag->slug, $tag->term_id );	if ( is_numeric( $tag_class ) || ! trim( $tag_class, '-' ) ) {	$tag_class = $tag->term_id;	}	$classes[] = 'tag-' . $tag_class;	$classes[] = 'tag-' . $tag->term_id;	}	} elseif ( is_tax() ) {	$term = $wp_query->get_queried_object();	if ( isset( $term->term_id ) ) {	$term_class = sanitize_html_class( $term->slug, $term->term_id );	if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {	$term_class = $term->term_id;	}	$classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );	$classes[] = 'term-' . $term_class;	$classes[] = 'term-' . $term->term_id;	}	}	}	if ( is_user_logged_in() ) {	$classes[] = 'logged-in';	}	if ( is_admin_bar_showing() ) {	$classes[] = 'admin-bar';	$classes[] = 'no-customize-support';	}	if ( current_theme_supports( 'custom-background' )	&& ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() ) ) {	$classes[] = 'custom-background';	}	if ( has_custom_logo() ) {	$classes[] = 'wp-custom-logo';	}	if ( current_theme_supports( 'responsive-embeds' ) ) {	$classes[] = 'wp-embed-responsive';	}	$page = $wp_query->get( 'page' );	if ( ! $page || $page < 2 ) {	$page = $wp_query->get( 'paged' );	}	if ( $page && $page > 1 && ! is_404() ) {	$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;	}	}	$classes[] = 'wp-theme-' . sanitize_html_class( get_template() );	if ( is_child_theme() ) {	$classes[] = 'wp-child-theme-' . sanitize_html_class( get_stylesheet() );	}	if ( ! empty( $css_class ) ) {	if ( ! is_array( $css_class ) ) {	$css_class = preg_split( '#\s+#', $css_class );	}	$classes = array_merge( $classes, $css_class );	} else {	// Ensure that we always coerce class to being an array.	$css_class = array();	}	$classes = array_map( 'esc_attr', $classes );	/** * Filters the list of CSS body class names for the current post or page. * * @since 2.8.0 * * @param string[] $classes An array of body class names. * @param string[] $css_class An array of additional class names added to the body. */	$classes = apply_filters( 'body_class', $classes, $css_class );	return array_unique( $classes ); } 

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