WordPress Version: 5.9
/**
* Outputs controls for the current dashboard widget.
*
* @access private
* @since 2.7.0
*
* @param mixed $dashboard
* @param array $meta_box
*/
function _wp_dashboard_control_callback($dashboard, $meta_box)
{
echo '<form method="post" class="dashboard-widget-control-form wp-clearfix">';
wp_dashboard_trigger_widget_control($meta_box['id']);
wp_nonce_field('edit-dashboard-widget_' . $meta_box['id'], 'dashboard-widget-nonce');
echo '<input type="hidden" name="widget_id" value="' . esc_attr($meta_box['id']) . '" />';
submit_button(__('Save Changes'));
echo '</form>';
}