How do I filter the excerpt metabox description in admin?

This description is generated by post_excerpt_meta_box() function and is not passed through any explicit filters. It is however echoed by translation-related _e() function and so passes through gettext filter (which from your question you are already familiar with). As for limiting it to your CPT, I think current post type in admin is held in … Read more

What is the best way to load the WP environment in a subdomain of my multisite WordPress install?

Use the defines to make it pick the site you want it to pick. You can define these four to setup the $current_site values properly: DOMAIN_CURRENT_SITE, PATH_CURRENT_SITE, SITE_ID_CURRENT_SITE, BLOG_ID_CURRENT_SITE. If you check the wpmu_current_site() function in ms-load.php, you’ll see that it uses those to create the $current_site global. You may or may not have to … Read more

Editing Complex Pages in Visual Mode

One thing you could do is create page templates for complex pages and simply add the content through the editor, leave as little mark-up as possible in the editor. Another thing that might help is using the editor style (activated with add_editor_style() in functions.php) and defined in editor-style.css so the client has a better sense … Read more

Custom permalink structure only for default posts

The solution is to reregister the default post type just after WordPress, and to add a rewrite slug. Also, the _builtin param needs to be set to false. add_action( ‘init’, ‘my_new_default_post_type’, 1 ); function my_new_default_post_type() { register_post_type( ‘post’, array( ‘labels’ => array( ‘name_admin_bar’ => _x( ‘Post’, ‘add new on admin bar’ ), ), ‘public’ => … Read more

Why do folders have Empty Index.php Pages?

As a security measure, WordPress includes these index.php files to account for hosts that by default enable directory browsing. Including them makes sure that no one can see the list of files in that directory, which could let them know what plugins or versions you are running and thus give them some things to try … Read more

How to change admin bar color scheme in MP6 / WP 3.8 front end?

At the moment (3.8) color schemes do not apply to admin bar at front end at all, even if user is logged in and has non-default scheme selected. The shortest way would probably be to force enqueue color scheme at front end: add_action( ‘wp_enqueue_scripts’, function () { wp_enqueue_style( ‘color-admin-bar’, admin_url( ‘/css/colors/coffee/colors.min.css’ ), array( ‘admin-bar’ ) … Read more