Admin_DocumentController::copyAction PHP Метод

    public function copyAction()
    {
        $success = false;
        $sourceId = intval($this->getParam("sourceId"));
        $source = Document::getById($sourceId);
        $session = Session::get("pimcore_copy");
        $targetId = intval($this->getParam("targetId"));
        if ($this->getParam("targetParentId")) {
            $sourceParent = Document::getById($this->getParam("sourceParentId"));
            // this is because the key can get the prefix "_copy" if the target does already exists
            if ($session->{$this->getParam("transactionId")}["parentId"]) {
                $targetParent = Document::getById($session->{$this->getParam("transactionId")}["parentId"]);
            } else {
                $targetParent = Document::getById($this->getParam("targetParentId"));
            }
            $targetPath = preg_replace("@^" . $sourceParent->getRealFullPath() . "@", $targetParent . "/", $source->getRealPath());
            $target = Document::getByPath($targetPath);
        } else {
            $target = Document::getById($targetId);
        }
        if ($target instanceof Document) {
            if ($target->isAllowed("create")) {
                if ($source != null) {
                    if ($this->getParam("type") == "child") {
                        $enableInheritance = $this->getParam("enableInheritance") == "true" ? true : false;
                        $resetIndex = $this->getParam("resetIndex") == "true" ? true : false;
                        $newDocument = $this->_documentService->copyAsChild($target, $source, $enableInheritance, $resetIndex);
                        $session->{$this->getParam("transactionId")}["idMapping"][(int) $source->getId()] = (int) $newDocument->getId();
                        // this is because the key can get the prefix "_copy" if the target does already exists
                        if ($this->getParam("saveParentId")) {
                            $session->{$this->getParam("transactionId")}["parentId"] = $newDocument->getId();
                        }
                        Session::writeClose();
                    } elseif ($this->getParam("type") == "replace") {
                        $this->_documentService->copyContents($target, $source);
                    }
                    $success = true;
                } else {
                    Logger::error("prevended copy/paste because document with same path+key already exists in this location");
                }
            } else {
                Logger::error("could not execute copy/paste because of missing permissions on target [ " . $targetId . " ]");
                $this->_helper->json(["success" => false, "message" => "missing_permission"]);
            }
        }
        $this->_helper->json(["success" => $success]);
    }