Adding parent page slug to body classes

When you need to add  <body class=”parent-SLUGNAME”> class please add the following code to your functions.php file:

`

add_filter(‘body_class’,’body_class_section’);

function body_class_section($classes) {
global $wpdb, $post;
if (is_page()) {
if ($post->post_parent) {
$parent = end(get_post_ancestors($current_page_id));
} else {
$parent = $post->ID;
}
$post_data = get_post($parent, ARRAY_A);
$classes[] = ‘parent-‘ . $post_data[‘post_name’];
}
return $classes;
}

`

WordPress 4.9 – What’s new

Below you’ll find me newest presentation of what’s new in WordPress 4.9

How to remove comments rss feed link

To remove comments rss feed link (and clear othe unnecessary options) just add the following to functions.php file of your theme:

remove_action( 'wp_head', 'feed_links' );
remove_action( 'wp_head', 'rsd_link');
remove_action( 'wp_head', 'wlwmanifest_link');
remove_action( 'wp_head', 'index_rel_link');
remove_action( 'wp_head', 'parent_post_rel_link');
remove_action( 'wp_head', 'start_post_rel_link');
remove_action( 'wp_head', 'adjacent_posts_rel_link');
remove_action( 'wp_head', 'wp_generator');