widgets.php action-hook . WP 2.8.0
Fires early when editing the widgets displayed in sidebars.
Usage
add_action( 'widgets.php', 'action_function_name_4148' );
function action_function_name_4148(){
// action...
}Where the hook is called
wp-admin/includes/ajax-actions.php 2170
do_action( 'widgets.php' );
wp-includes/class-wp-customize-widgets.php 339
do_action( 'widgets.php' );
wp-includes/class-wp-customize-widgets.php 1542
do_action( 'widgets.php' );
wp-admin/includes/ajax-actions.php 2274
do_action( 'widgets.php' );