get_body_class( string|array $class = '' )

Retrieve the classes for the body element as an array.


Description Description


Parameters Parameters

$class

(string|array) (Optional) One or more classes to add to the class list.

Default value: ''


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Return Return

(array) Array of classes.


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Source Source

File: wp-includes/post-template.php

function get_body_class( $class = '' ) {
	global $wp_query;

	$classes = array();

	if ( is_rtl() )
		$classes[] = 'rtl';

	if ( is_front_page() )
		$classes[] = 'home';
	if ( is_home() )
		$classes[] = 'blog';
	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_id = $wp_query->get_queried_object_id();
		$post = $wp_query->get_queried_object();
		$post_type = $post->post_type;

		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';

			$page_id = $wp_query->get_queried_object_id();

			$post = get_post($page_id);

			$classes[] = 'page-id-' . $page_id;

			if ( get_pages( array( 'parent' => $page_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 ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() )
		$classes[] = 'custom-background';

	if ( has_custom_logo() ) {
		$classes[] = 'wp-custom-logo';
	}

	$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;
	}

	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 );

	/**
	 * Filters the list of CSS body classes for the current post or page.
	 *
	 * @since 2.8.0
	 *
	 * @param array $classes An array of body classes.
	 * @param array $class   An array of additional classes added to the body.
	 */
	$classes = apply_filters( 'body_class', $classes, $class );

	return array_unique( $classes );
}

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Version Description
2.8.0 Introduced.


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