WordPress at a glance
function is not described

do_signup_header() WP 3.0.0

Prints signup_header via wp_head

Hooks from the function
Return

Null. Nothing.

Usage

do_signup_header();

Changelog

Since 3.0.0 Introduced.

Code of do_signup_header() WP 5.5.1

<?php
function do_signup_header() {
	/**
	 * Fires within the head section of the site sign-up screen.
	 *
	 * @since 3.0.0
	 */
	do_action( 'signup_header' );
}