Helper Functions In vip-helper.php

Enable Co-Authors-Plus overriding oembed endpoints

Returns the HTTP_HOST for the current site’s home_url()

Give themes the opportunity to disable WPCOM-specific smilies.

Get the URL of theme files relative to the home_url

Use secure URLs in rel_canonical

Checks if the current site_url() matches from a specified list.

Helper function to disable the WordPress.com wide Zemanta Tools for all users.

A version of wp_oembed_get() that provides caching.

Helper function to enable bulk user management on a per-user basis

Check if a URL is in a specified whitelist

Checks to see if a given e-mail address has a Gravatar or not.

Returns profile information for a WordPress.com/Gravatar user

Helper function for disable_right_now_comment_count()

Helper function for disable_right_now_comment_count()

Disable comment counts in “Right Now” Dashboard widget as it can take a while to query the data.

This is a sophisticated extended version of wp_remote_get().

Helper function for vip_get_random_posts()

Get random posts; a simple, more efficient approach.

Filter this function to change the meta description value set by wpcom_vip_meta_desc().

Automatically insert meta description tag into posts/pages.

Send comment moderation emails to multiple addresses

Helper function for vip_doubleclick_dartiframe_redirect(); serves up /vip/your_theme/DARTIframe.html

Responds to a blog.wordpress.com/DARTIframe.html request with the contents of a DARTIframe.html file located in the root of your theme.

Helper function for vip_crossdomain_redirect(); serves up /vip/your_theme/crossdomain.xml

Responds to a blog.wordpress.com/crossdomain.xml request with the contents of a crossdomain.xml file located in the root of your theme.

Returns if the current visitor has a feed service user agent

Returns if any of the formats of the main feed are requested

Redirect http://blog.wordpress.com/feed/ to $target URL

Helper function for disable_autosave(); disables autosave on the post screen.