do_action( 'preprocess_signup_form' )

1013			$user_email = $_POST['user_email'] ?? '';1014			/**1015			 * Fires when the site sign-up form is sent.1016			 *1017			 * @since 3.0.01018			 */1019			do_action( 'preprocess_signup_form' );1020			if ( is_user_logged_in() && ( 'all' === $active_signup || 'blog' === $active_signup ) ) {1021				signup_another_blog( $newblogname );1022			} elseif ( ! is_user_logged_in() && ( 'all' === $active_signup || 'user' === $active_signup ) ) {1023				signup_user( $newblogname, $user_email );1024			} elseif ( ! is_user_logged_in() && ( 'blog' === $active_signup ) ) {1025				_e( 'Sorry, new registrations are not allowed at this time.' );