Abstract_Jetpack_Site::is_vip() – This function returns false for a check as to whether a site is a VIP site or not.
Abtest::request_variation() – Perform the request for a variation of a provided A/B test from WP.com.
Blocks::is_gutenberg_version_available() – Check to see if a minimum version of Gutenberg is available. Because a Gutenberg version is not available in php if the Gutenberg plugin is not installed, if we know which minimum WP release has the required version we can optionally fall back to that.
Classic_Search::has_vip_index() – Does this site have a VIP index Get the version number to use when loading the file. Allows us to bypass cache when developing.
Client::validate_args_for_wpcom_json_api_request() – Validate and build arguments for a WordPress.com REST API request.
Connections_Post_Field::is_valid_for_context() – Ensure that our request matches its expected context.
current_visitor_can_access() – Determines if the current user can view the protected content of the given block.
Data_Settings::is_valid_filter_setting() – Determines whether the filter setting is valid. The setting array is in the correct format (associative or indexed).
Endpoints::validate_non_neg_int() – Validates that the parameter is a non-negative integer (includes 0).
enrich_video_meta() – Enrich video information with extra data we can retrieve from the media library.
Error_Handler::verify_xml_rpc_error() – Handles verification that a xml rpc error is legit and came from WordPres.com
get_css_vars() – It generates a string with CSS variables according to the block colors, prefixing each one with `–jetpack-podcast-player’.
