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WP_Customize_Manager::is_cross_domain()

WP_Customize_Manager::is_cross_domain(): bool

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

Return

bool Whether cross-domain.

Source

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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UsesDescription
wp_parse_url()wp-includes/http.php

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

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

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

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

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

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Used byDescription
WP_Customize_Manager::get_allowed_urls()wp-includes/class-wp-customize-manager.php

Gets URLs allowed to be previewed.

WP_Customize_Manager::customize_pane_settings()wp-includes/class-wp-customize-manager.php

Prints JavaScript settings for parent window.

WP_Customize_Manager::customize_preview_settings()wp-includes/class-wp-customize-manager.php

Prints JavaScript settings for preview frame.

Changelog

VersionDescription
4.7.0Introduced.

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