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_wp_customize_loader_settings()

Adds settings for the customize-loader script.

Source

File: wp-includes/theme.php 

function _wp_customize_loader_settings() {
	$admin_origin = parse_url( admin_url() );
	$home_origin  = parse_url( home_url() );
	$cross_domain = ( strtolower( $admin_origin['host'] ) != strtolower( $home_origin['host'] ) );

	$browser = array(
		'mobile' => wp_is_mobile(),
		'ios'    => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ),
	);

	$settings = array(
		'url'           => esc_url( admin_url( 'customize.php' ) ),
		'isCrossDomain' => $cross_domain,
		'browser'       => $browser,
		'l10n'          => array(
			'saveAlert'       => __( 'The changes you made will be lost if you navigate away from this page.' ),
			'mainIframeTitle' => __( 'Customizer' ),
		),
	);

	$script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';';

	$wp_scripts = wp_scripts();
	$data       = $wp_scripts->get_data( 'customize-loader', 'data' );
	if ( $data ) {
		$script = "$data\n$script";
	}

	$wp_scripts->add_data( 'customize-loader', 'data', $script );
}

Uses

Uses Description
wp-includes/functions.wp-scripts.php: wp_scripts()

Initialize $wp_scripts if it has not been set.
wp-includes/functions.php: wp_json_encode()

Encode a variable into JSON, with some sanity checks.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/formatting.php: esc_url()

Checks and cleans a URL.
wp-includes/vars.php: wp_is_mobile()

Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
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.

Changelog

Version Description
3.4.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_wp_customize_loader_settings