Returns the help associated with the active menu item.
function menu_get_active_help() {
$output = '';
$router_path = menu_tab_root_path();
// We will always have a path unless we are on a 403 or 404.
if (!$router_path) {
return '';
}
$arg = drupal_help_arg(arg(NULL));
foreach (module_implements('help') as $module) {
$function = $module . '_help';
// Lookup help for this path.
if ($help = $function($router_path, $arg)) {
$output .= $help . "\n";
}
}
return $output;
}