Abstract_Main::is_development() – Returns whether or not we’re in an environment for Yoast development.
Category_Term_Description::add_shortcode_support() – Adds shortcode support to category and term descriptions.
ctype_digit() – Emulate PHP native ctype_digit() function for when the ctype extension would be disabled *sigh*.
Current_Page_Helper::get_date_archive_permalink() – Returns the permalink of the currently opened date archive.
Date_Helper::current_time() – Returns the current time measured in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).
Date_Helper::format_translated() – Formats a given date in UTC TimeZone format and translate it to the set language.
