Abstract_Main::is_development() – Returns whether or not we’re in an environment for Yoast development.
Adapter::is_sql_method_call() – Detect whether or not the string represents a function call and if so do not wrap it in single-quotes, otherwise do wrap in single quotes.
Admin_Columns_Cache_Integration::maybe_fill_cache() – Makes sure we calculate all values in one query by filling our cache beforehand.
