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