WP_Customize_Manager::is_cross_domain()

Determines whether the admin and the frontend are on different domains.

Return

(bool) Whether cross-domain.

Source

File: wp-includes/class-wp-customize-manager.php

public function is_cross_domain() {
		$admin_origin = wp_parse_url( admin_url() );
		$home_origin  = wp_parse_url( home_url() );
		$cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) );
		return $cross_domain;
	}

Changelog

Version Description
4.7.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_customize_manager/is_cross_domain