WP_Customize_Manager::is_cross_domain() WordPress Method

The WP_Customize_Manager::is_cross_domain() method is used to check if the current customizer request is for a cross-domain site. This is useful for ensuring that the correct URL is used for resources when making Ajax requests.

WP_Customize_Manager::is_cross_domain() #

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

Contents

Return

(bool) Whether cross-domain.

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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;
	}

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Uses

Uses
UsesDescription
wp-includes/http.php:wp_parse_url()

A wrapper for PHP’s parse_url() function that handles consistency in the return values across PHP versions.

wp-includes/link-template.php:admin_url()

Retrieves the URL to the admin area for the current site.

wp-includes/link-template.php:home_url()

Retrieves the URL for the current site where the front end is accessible.

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Changelog

Changelog
VersionDescription
4.7.0Introduced.
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