og-shawn-crigger/functions.php

## functions.php
  // Add more options to the body class on each page (Previous the Ambrosite Plugin)
	function fineideas_body_class($classes) {

	//	If you don't like the class prefixes I have chosen, you can change them here.
		$post_name_prefix = 'postname-';
		$page_name_prefix = 'pagename-';
		$single_term_prefix = 'single-';
		$single_parent_prefix = 'parent-';
		$category_parent_prefix = 'parent-category-';
		$term_parent_prefix = 'parent-term-';
		$site_prefix = 'site-';

		global $wp_query;
		if ( is_single() ) {
			$wp_query->post = $wp_query->posts[0];
			setup_postdata($wp_query->post);
			$classes[] = $post_name_prefix . $wp_query->post->post_name;

			$taxonomies = array_filter( get_post_taxonomies($wp_query->post->ID), "is_taxonomy_hierarchical" );
			foreach ( $taxonomies as $taxonomy ) {
				$tax_name = ( $taxonomy != 'category') ? $taxonomy . '-' : '';
				$terms = get_the_terms($wp_query->post->ID, $taxonomy);
				if ( $terms ) {
					foreach( $terms as $term ) {
						if ( !empty($term->slug ) )
							$classes[] = $single_term_prefix . $tax_name . sanitize_html_class($term->slug, $term->term_id);
						while ( $term->parent ) {
							$term = &get_term( (int) $term->parent, $taxonomy );
							if ( !empty( $term->slug ) )
								$classes[] = $single_parent_prefix . $tax_name . sanitize_html_class($term->slug, $term->term_id);
						}
					}
				}
			}
		} elseif ( is_archive() ) {
			if ( is_category() ) {
				$cat = $wp_query->get_queried_object();
				while ( $cat->parent ) {
					$cat = &get_category( (int) $cat->parent);
					if ( !empty( $cat->slug ) )
						$classes[] = $category_parent_prefix . sanitize_html_class($cat->slug, $cat->cat_ID);
				}
			} elseif ( is_tax() ) {
				$term = $wp_query->get_queried_object();
				while ( $term->parent ) {
					$term = &get_term( (int) $term->parent, $term->taxonomy );
					if ( !empty( $term->slug ) )
						$classes[] = $term_parent_prefix . sanitize_html_class($term->slug, $term->term_id);
				}
			}
		} elseif ( is_page() ) {
			$wp_query->post = $wp_query->posts[0];
			setup_postdata($wp_query->post);
			$classes[] = $page_name_prefix . $wp_query->post->post_name;
		}

		if ( is_multisite() ) {
			global $blog_id;
			$classes[] = $site_prefix . $blog_id;
		}

		return $classes;
	}

	add_filter('body_class', 'fineideas_body_class');

    /**
     * WordPress' missing is_blog_page() function.  Determines if the currently viewed page is
     * one of the blog pages, including the blog home page, archive, category/tag, author, or single
     * post pages.
     *
     * @return bool
     */
    function is_blog_page() {

        global $post;

        //Post type must be 'post'.
        $post_type = get_post_type($post);

        //Check all blog-related conditional tags, as well as the current post type,
        //to determine if we're viewing a blog page.
        return (
            ( is_home() || is_archive() || is_single() )
            && ($post_type == 'post')
        ) ? true : false ;

    }

    // Category ID in Body and Post class
    function category_id_class($classes) {
        global $post;
        foreach((get_the_category($post->ID)) as $category)
            $classes [] = ‘cat-' . $category->cat_ID . ‘-id';
            return $classes;
    }
    //add_filter('post_class', 'category_id_class');
    //add_filter('body_class', 'category_id_class');
	// Add more options to the body class on each page (Previous the Ambrosite Plugin)
	function fineideas_body_class($classes) {

	// If you don't like the class prefixes I have chosen, you can change them here.
	$post_name_prefix = 'postname-';
	$page_name_prefix = 'pagename-';
	$single_term_prefix = 'single-';
	$single_parent_prefix = 'parent-';
	$category_parent_prefix = 'parent-category-';
	$term_parent_prefix = 'parent-term-';
	$site_prefix = 'site-';

	global $wp_query;
	if ( is_single() ) {
	$wp_query->post = $wp_query->posts[0];
	setup_postdata($wp_query->post);
	$classes[] = $post_name_prefix . $wp_query->post->post_name;

	$taxonomies = array_filter( get_post_taxonomies($wp_query->post->ID), "is_taxonomy_hierarchical" );
	foreach ( $taxonomies as $taxonomy ) {
	$tax_name = ( $taxonomy != 'category') ? $taxonomy . '-' : '';
	$terms = get_the_terms($wp_query->post->ID, $taxonomy);
	if ( $terms ) {
	foreach( $terms as $term ) {
	if ( !empty($term->slug ) )
	$classes[] = $single_term_prefix . $tax_name . sanitize_html_class($term->slug, $term->term_id);
	while ( $term->parent ) {
	$term = &get_term( (int) $term->parent, $taxonomy );
	if ( !empty( $term->slug ) )
	$classes[] = $single_parent_prefix . $tax_name . sanitize_html_class($term->slug, $term->term_id);
	}
	}
	}
	}
	} elseif ( is_archive() ) {
	if ( is_category() ) {
	$cat = $wp_query->get_queried_object();
	while ( $cat->parent ) {
	$cat = &get_category( (int) $cat->parent);
	if ( !empty( $cat->slug ) )
	$classes[] = $category_parent_prefix . sanitize_html_class($cat->slug, $cat->cat_ID);
	}
	} elseif ( is_tax() ) {
	$term = $wp_query->get_queried_object();
	while ( $term->parent ) {
	$term = &get_term( (int) $term->parent, $term->taxonomy );
	if ( !empty( $term->slug ) )
	$classes[] = $term_parent_prefix . sanitize_html_class($term->slug, $term->term_id);
	}
	}
	} elseif ( is_page() ) {
	$wp_query->post = $wp_query->posts[0];
	setup_postdata($wp_query->post);
	$classes[] = $page_name_prefix . $wp_query->post->post_name;
	}

	if ( is_multisite() ) {
	global $blog_id;
	$classes[] = $site_prefix . $blog_id;
	}

	return $classes;
	}

	add_filter('body_class', 'fineideas_body_class');

	/**
	* WordPress' missing is_blog_page() function. Determines if the currently viewed page is
	* one of the blog pages, including the blog home page, archive, category/tag, author, or single
	* post pages.
	*
	* @return bool
	*/
	function is_blog_page() {

	global $post;

	//Post type must be 'post'.
	$post_type = get_post_type($post);

	//Check all blog-related conditional tags, as well as the current post type,
	//to determine if we're viewing a blog page.
	return (
	( is_home() \|\| is_archive() \|\| is_single() )
	&& ($post_type == 'post')
	) ? true : false ;

	}

	// Category ID in Body and Post class
	function category_id_class($classes) {
	global $post;
	foreach((get_the_category($post->ID)) as $category)
	$classes [] = ‘cat-' . $category->cat_ID . ‘-id';
	return $classes;
	}
	//add_filter('post_class', 'category_id_class');
	//add_filter('body_class', 'category_id_class');