old-town / workflow-zf2-toolkit

        $index = [];

        foreach ($metadata as $metadataItem) {

            if (!array_key_exists(static::WORKFLOW_MANAGER_NAME, $metadataItem)) {

                $errMsg = sprintf('there is no option %s', static::WORKFLOW_MANAGER_NAME);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

            }

            $workflowManagerName = $metadataItem[static::WORKFLOW_MANAGER_NAME];

            if (!array_key_exists(static::WORKFLOW_NAME, $metadataItem)) {

            }

            $workflowManagerName = $metadataItem[static::WORKFLOW_MANAGER_NAME];

            if (!array_key_exists(static::WORKFLOW_NAME, $metadataItem)) {

                $errMsg = sprintf('there is no option %s', static::WORKFLOW_NAME);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

            }

            $workflowName = $metadataItem[static::WORKFLOW_NAME];

            if (!array_key_exists(static::MAP, $metadataItem)) {

            }

            $workflowName = $metadataItem[static::WORKFLOW_NAME];

            if (!array_key_exists(static::MAP, $metadataItem)) {

                $errMsg = sprintf('there is no option %s', static::MAP);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

            }

            if (!is_array($metadataItem[static::MAP])) {

                $errMsg = sprintf('option %s is not array', static::MAP);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

                $errMsg = sprintf('there is no option %s', static::MAP);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

            }

            if (!is_array($metadataItem[static::MAP])) {

                $errMsg = sprintf('option %s is not array', static::MAP);

                throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

            }

            $map = $metadataItem[static::MAP];

            if (!array_key_exists($workflowManagerName, $index)) {

            }

            foreach ($map as $mapItem) {

                if (!array_key_exists(static::ENTITY_CLASS_NAME, $mapItem)) {

                    $errMsg = sprintf('there is no option %s', static::ENTITY_CLASS_NAME);

                    throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

                }

                $entityClassName = $mapItem[static::ENTITY_CLASS_NAME];

                if (array_key_exists($entityClassName, $index[$workflowManagerName][$workflowName])) {

                    throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

                }

                if (!array_key_exists(static::ROUTER_PARAM_NAME, $mapItem)) {

                    $errMsg = sprintf('there is no option %s', static::ROUTER_PARAM_NAME);

                    throw new Exception\InvalidWorkflowEntryToObjectMetadataException($errMsg);

                }

                $routerParamName = $mapItem[static::ROUTER_PARAM_NAME];

                $index[$workflowManagerName][$workflowName][$entityClassName] = $routerParamName;