WP_Customize_Widgets::export_preview_data() │ public │ WP 3.9.0

Communicates the sidebars that appeared on the page at the very end of the page, and at the very end of the wp_footer,

Method of the class: WP_Customize_Widgets{}

No Hooks.

Returns

null. Nothing (null).

Usage

$WP_Customize_Widgets = new WP_Customize_Widgets();
$WP_Customize_Widgets->export_preview_data();

Notes

  • Global. Array. $wp_registered_sidebars
  • Global. Array. $wp_registered_widgets

Changelog

Since 3.9.0 Introduced.

WP_Customize_Widgets::export_preview_data() code WP 6.8.1

wp-includes/class-wp-customize-widgets.php 
public function export_preview_data() {
	global $wp_registered_sidebars, $wp_registered_widgets;

	$switched_locale = switch_to_user_locale( get_current_user_id() );

	$l10n = array(
		'widgetTooltip' => __( 'Shift-click to edit this widget.' ),
	);

	if ( $switched_locale ) {
		restore_previous_locale();
	}

	$rendered_sidebars = array_filter( $this->rendered_sidebars );
	$rendered_widgets  = array_filter( $this->rendered_widgets );

	// Prepare Customizer settings to pass to JavaScript.
	$settings = array(
		'renderedSidebars'            => array_fill_keys( array_keys( $rendered_sidebars ), true ),
		'renderedWidgets'             => array_fill_keys( array_keys( $rendered_widgets ), true ),
		'registeredSidebars'          => array_values( $wp_registered_sidebars ),
		'registeredWidgets'           => $wp_registered_widgets,
		'l10n'                        => $l10n,
		'selectiveRefreshableWidgets' => $this->get_selective_refreshable_widgets(),
	);

	foreach ( $settings['registeredWidgets'] as &$registered_widget ) {
		unset( $registered_widget['callback'] ); // May not be JSON-serializable.
	}
	wp_print_inline_script_tag(
		sprintf( 'var _wpWidgetCustomizerPreviewSettings = %s;', wp_json_encode( $settings ) )
	);
}