Abtest::request_variation() – Perform the request for a variation of a provided A/B test from WP.com.
get_css_vars() – It generates a string with CSS variables according to the block colors, prefixing each one with `–jetpack-podcast-player’.
Helper_Script_Manager::verify_file_header() – Checks that a file exists, is readable, and has the expected header.
Jetpack_Calypsoify::filter_views() – Remove the parentheses from list table view counts when Calypsofied.
Jetpack_Carousel::asset_version() – Allow third-party plugins or themes to enable Carousel for single images linking to ‘Media File’ (full size image).
Jetpack_Gallery_Widget::allowed_values() – Return a multi-dimensional array of allowed values (and their labels) for all widget form elements
Jetpack_Gutenberg::blocks_variation() – Determine whether a site should use the default set of blocks, or a custom set.
Jetpack_Gutenberg::get_asset_version() – Get the version number to use when loading the file. Allows us to bypass cache when developing.
Jetpack_Gutenberg::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.
Jetpack_JSON_API_Endpoint::validate_call() – Switches to the blog and checks current user capabilities.
Jetpack_Likes::is_likes_visible() – Stub for is_likes_visible, since some themes were calling it directly from this class
jetpack_post_likes_update_value() – Callback to set switch_like_status post_meta when jetpack_likes_enabled is updated.
jetpack_post_sharing_update_value() – Callback to set sharing_disabled post_meta when the jetpack_sharing_enabled field is updated.
Jetpack_ReCaptcha::verify() – Calls the reCAPTCHA siteverify API to verify whether the user passes CAPTCHA test.
jetpack_responsive_videos_maybe_wrap_oembed() – Check if oEmbed is a `$video_patterns` provider video before wrapping.
jetpack_responsive_videos_remove_wrap_oembed() – Remove the Jetpack Responsive video wrapper in embed blocks.
Jetpack_Search::get_asset_version() – Get the version number to use when loading the file. Allows us to bypass cache when developing.
Jetpack_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.
Jetpack_SEO_Titles::are_valid_title_formats() – Checks if a given format conforms to predefined SEO title templates.
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