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Re: How to get a section identifier in the body tag?


peterverkooijen
Participant

@peterverkooijen

The default templates have body_class() in the body tag. The function body_class() is in post-template.php in the wp-includes folder:

function body_class( $class = '' ) {
// Separates classes with a single space, collates classes for body element
echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
}

Function get_body_class() is in the same file:

/**
* Retrieve the classes for the body element as an array.
*
* @since 2.8.0
*
* @param string|array $class One or more classes to add to the class list.
* @return array Array of classes.
*/
function get_body_class( $class = '' ) {
global $wp_query, $wpdb, $current_user;

$classes = array();

if ( 'rtl' == get_bloginfo('text_direction') )
$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';
if ( is_paged() )
$classes[] = 'paged';
if ( is_attachment() )
$classes[] = 'attachment';
if ( is_404() )
$classes[] = 'error404';

if ( is_single() ) {
$wp_query->post = $wp_query->posts[0];
setup_postdata($wp_query->post);

$postID = $wp_query->post->ID;
$classes[] = 'single postid-' . $postID;

if ( is_attachment() ) {
$mime_type = get_post_mime_type();
$mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' );
$classes[] = 'attachmentid-' . $postID;
$classes[] = 'attachment-' . str_replace($mime_prefix, '', $mime_type);
}
} elseif ( is_archive() ) {
if ( is_author() ) {
$author = $wp_query->get_queried_object();
$classes[] = 'author';
$classes[] = 'author-' . sanitize_html_class($author->user_nicename , $author->user_id);
} elseif ( is_category() ) {
$cat = $wp_query->get_queried_object();
$classes[] = 'category';
$classes[] = 'category-' . sanitize_html_class($cat->slug, $cat->cat_ID);
} elseif ( is_tag() ) {
$tags = $wp_query->get_queried_object();
$classes[] = 'tag';
$classes[] = 'tag-' . sanitize_html_class($tags->slug, $tags->term_id);
}
} elseif ( is_page() ) {
$classes[] = 'page';

$wp_query->post = $wp_query->posts[0];
setup_postdata($wp_query->post);

$pageID = $wp_query->post->ID;

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

if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' LIMIT 1", $pageID) ) )
$classes[] = 'page-parent';

if ( $wp_query->post->post_parent ) {
$classes[] = 'page-child';
$classes[] = 'parent-pageid-' . $wp_query->post->post_parent;
}
if ( is_page_template() ) {
$classes[] = 'page-template';
$classes[] = 'page-template-' . str_replace( '.php', '-php', get_post_meta( $pageID, '_wp_page_template', true ) );
}
} elseif ( is_search() ) {
if ( !empty($wp_query->posts) )
$classes[] = 'search-results';
else
$classes[] = 'search-no-results';
}

if ( is_user_logged_in() )
$classes[] = 'logged-in';

$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;
}

if ( !empty($class) ) {
if ( !is_array( $class ) )
$class = preg_split('#s+#', $class);
$classes = array_merge($classes, $class);
}

return apply_filters('body_class', $classes, $class);
}

So I guess I could just add this to the code:

if ( bp_is_page( BP_MEMBERS_SLUG ) )
$classes[] = 'members';

Etc.

Should I copy this function to functions.php in the template, perhaps rename it, and add the lines for ‘members’ and ‘groups’ etc.?

Or should I aim for a shorter function that only adds something to what this code generates? Would that be possible?

Trying the blunt approach first…

Edit: I’ve tried with that BP_MEMBERS_SLUG line added directly to post-template.php, with $bp in global, but nothing shows up in the body tag. :-(

What am I missing? Is Buddypress bypassing post-template.php anyway? The only class is “directory”.

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