do_action( 'before_signup_header' ) Fires before the Site Sign-up page is loaded. ContentsSource Changelog User Contributed Notes Source File: wp-signup.php. View all references do_action( 'before_signup_header' ); View on Trac View on GitHub Top ↑Changelog Changelog Version Description 4.4.0 Introduced. Top ↑User Contributed Notes You must log in before being able to contribute a note or feedback.