WordPress at a glance
function is not described

WP_Customize_Widgets::customize_controls_init() public WP 3.9.0

Ensures all widgets get loaded into the Customizer.

Note: these actions are also fired in wp_ajax_update_widget().

{} It's a method of the class: WP_Customize_Widgets{}

Return

Null. Nothing.

Usage

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

Changelog

Since 3.9.0 Introduced.

Code of WP_Customize_Widgets::customize_controls_init() WP 5.5.3

<?php
public function customize_controls_init() {
	/** This action is documented in wp-admin/includes/ajax-actions.php */
	do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

	/** This action is documented in wp-admin/includes/ajax-actions.php */
	do_action( 'widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

	/** This action is documented in wp-admin/widgets.php */
	do_action( 'sidebar_admin_setup' );
}