_jetpack_og_get_image_validate_size() – Validate the width and height against required width and height
Actions::jetpack_cron_schedule() – Adds a cron schedule for regular syncing via cron, unless the schedule already exists.
Health::on_jetpack_activated() – When the Jetpack plugin is activated, set status to disabled if sync is not enabled, or to unknown.
Health::on_jetpack_upgraded() – When the Jetpack plugin is upgraded, set status to disabled if sync is not enabled, or to unknown, if the status has never been set before.
init_jetpack_search_debug_bar() – Checks if the search module is active, and if so, will initialize the singleton instance of Jetpack_Search_Debug_Bar and add it to the array of debug bar panels.
Jetpack_3rd_Party_Domain_Mapping::attempt_to_hook_domain_mapping_plugins() – This function is called on the plugins_loaded action and will loop through the $test_methods to try and hook a domain mapping plugin to the Jetpack sync filters for the home_url and site_url callables.
Jetpack a2z