CUndo::Escape

static function Escape($ID)
{
	global $USER, $CACHE_MANAGER;
	if (!isset($USER) || !is_object($USER) || !$USER->IsAuthorized())
		return false;

	$arUndo = null;
	$cacheId = mb_substr($ID, 0, 3);
	if ($CACHE_MANAGER->Read(48 * 3600, $cacheId, "b_undo"))
	{
		$arUndoCache = $CACHE_MANAGER->Get($cacheId);
	}
	else
	{
		$arUndoCache = array();
		$arUndoList = CUndo::GetList(array('arFilter' => array('%ID' => $cacheId."%")));
		foreach ($arUndoList as $ar)
		{
			if (!isset($arUndoCache[$ar["ID"]]) && !isset($arUndoCache[$ar["ID"]][$ar["USER_ID"]]))
				$arUndoCache[$ar["ID"]][$ar["USER_ID"]] = $ar;
		}
		$CACHE_MANAGER->Set($cacheId, $arUndoCache);
	}
	$arUndo = $arUndoCache[$ID][$USER->GetId()] ?? false;

	if (!$arUndo)
		return false;

	// Include module
	if ($arUndo['MODULE_ID'] && $arUndo['MODULE_ID'] <> '')
	{
		if (!CModule::IncludeModule($arUndo['MODULE_ID']))
			return false;
	}

	// Get params for Escaping
	$arParams = unserialize($arUndo['CONTENT'], ['allowed_classes' => false]);

	// Check and call Undo handler
	$p = mb_strpos($arUndo['UNDO_HANDLER'], "::");
	if ($p === false)
	{
		if (function_exists($arUndo['UNDO_HANDLER'])) // function
		{
			call_user_func($arUndo['UNDO_HANDLER'], array($arParams, $arUndo['UNDO_TYPE']));
		}
	}
	else
	{
		$className = mb_substr($arUndo['UNDO_HANDLER'], 0, $p);
		if (class_exists($className)) //class
		{
			$methodName = mb_substr($arUndo['UNDO_HANDLER'], $p + 2);
			if (method_exists($className, $methodName)) //static method
			{
				call_user_func_array(array($className, $methodName), array($arParams, $arUndo['UNDO_TYPE']));
			}
		}
	}

	// Del entry
	CUndo::Delete($ID);
	return true;
}