WordPress at a glance
action is not described

load-widgets.php action-hook . WP 2.8.0

Fires early when editing the widgets displayed in sidebars.

Usage

add_action( 'load-widgets.php', 'action_function_name_7436' );
function action_function_name_7436(){
	// action...
}

Changelog

Since 2.8.0 Introduced.

Where the hook is called

wp_ajax_save_widget()
load-widgets.php
WP_Customize_Widgets::customize_controls_init()
load-widgets.php
WP_Customize_Widgets::wp_ajax_update_widget()
load-widgets.php
wp_ajax_delete_inactive_widgets()
load-widgets.php
wp-admin/includes/ajax-actions.php 2284
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
wp-includes/class-wp-customize-widgets.php 336
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
wp-includes/class-wp-customize-widgets.php 1541
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
wp-admin/includes/ajax-actions.php 2394
do_action( 'load-widgets.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

Where in WP core the hook is used

Usage not found!