_jetpack_og_get_image_validate_size() – Validate the width and height against required width and height
Abstract_Jetpack_Site::after_render_options() – Extends the Jetpack options array with details including site constraints, WordPress and Jetpack versions, and plugins using the Jetpack connection.
Abstract_Jetpack_Site::after_render() – If a user has manage options permissions and the site is the main site of the network, make updates visible.
Abstract_Jetpack_Site::before_render() – This function is implemented on WPCom sites, where a filter is removed which forces the URL to http.
Abstract_Jetpack_Site::featured_images_enabled() – If the site’s current theme supports post thumbnails, return true (otherwise return false).
Abstract_Jetpack_Site::get_connection_active_plugins() – Fetch a list of active plugins that are using Jetpack Connection.
Abstract_Jetpack_Site::get_jetpack_modules() – This function returns the values of any active Jetpack modules.
Abstract_Jetpack_Site::is_module_active() – This function returns true if a specified Jetpack module is active, false otherwise.
Abstract_Jetpack_Site::is_vip() – This function returns false for a check as to whether a site is a VIP site or not.
Actions::jetpack_cron_schedule() – Adds a cron schedule for regular syncing via cron, unless the schedule already exists.
