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<?php |
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/** |
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* Analytics |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the LICENSE.md file. |
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* |
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* @author Marcel Scherello <[email protected]> |
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* @copyright 2020 Marcel Scherello |
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*/ |
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namespace OCA\Analytics\Service; |
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use Exception; |
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use OCA\Analytics\Activity\ActivityManager; |
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use OCA\Analytics\Controller\DatasourceController; |
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use OCA\Analytics\Controller\StorageController; |
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use OCA\Analytics\Db\DataloadMapper; |
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use OCP\AppFramework\Http\DataResponse; |
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use OCP\AppFramework\Http\NotFoundResponse; |
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use OCP\Files\NotFoundException; |
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use OCP\IL10N; |
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use OCP\ILogger; |
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class DataloadService |
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{ |
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private $logger; |
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private $StorageController; |
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private $DatasourceController; |
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private $ActivityManager; |
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private $DatasetService; |
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private $l10n; |
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private $DataloadMapper; |
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public function __construct( |
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IL10N $l10n, |
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ILogger $logger, |
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ActivityManager $ActivityManager, |
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DatasourceController $DatasourceController, |
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DatasetService $DatasetService, |
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StorageController $StorageController, |
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DataloadMapper $DataloadMapper |
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) |
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{ |
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$this->l10n = $l10n; |
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$this->logger = $logger; |
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$this->StorageController = $StorageController; |
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$this->ActivityManager = $ActivityManager; |
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$this->DatasourceController = $DatasourceController; |
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$this->DatasetService = $DatasetService; |
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$this->DataloadMapper = $DataloadMapper; |
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} |
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// Dataloads |
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// Dataloads |
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// Dataloads |
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/** |
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* create a new dataload |
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* |
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* @param int $datasetId |
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* @param int $datasourceId |
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* @return int |
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*/ |
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public function create(int $datasetId, int $datasourceId) |
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{ |
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return $this->DataloadMapper->create($datasetId, $datasourceId); |
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} |
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/** |
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* get all dataloads for a dataset |
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* |
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* @param int $datasetId |
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* @return array |
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*/ |
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public function read(int $datasetId) |
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{ |
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return $this->DataloadMapper->read($datasetId); |
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} |
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/** |
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* update dataload |
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* |
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* @param int $dataloadId |
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* @param $name |
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* @param $option |
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* @param $schedule |
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* @return bool |
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*/ |
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public function update(int $dataloadId, $name, $option, $schedule) |
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{ |
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return $this->DataloadMapper->update($dataloadId, $name, $option, $schedule); |
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} |
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/** |
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* delete a dataload |
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* |
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* @param int $dataloadId |
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* @return bool |
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*/ |
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public function delete(int $dataloadId) |
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{ |
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return $this->DataloadMapper->delete($dataloadId); |
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} |
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/** |
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* execute all dataloads depending on their schedule |
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* daily or hourly |
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* |
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* @param $schedule |
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* @return void |
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* @throws Exception |
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*/ |
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public function executeBySchedule($schedule) |
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{ |
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$schedules = $this->DataloadMapper->getDataloadBySchedule($schedule); |
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//$this->logger->debug('DataLoadController 145: execute schedule '.$schedule); |
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foreach ($schedules as $dataload) { |
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//$this->logger->debug('DataLoadController 147: execute dataload '.$dataload['id']); |
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$this->execute($dataload['id']); |
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} |
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} |
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/** |
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* execute a dataload from datasource and store into dataset |
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* |
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* @param int $dataloadId |
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* @return DataResponse |
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* @throws Exception |
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*/ |
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public function execute(int $dataloadId) |
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{ |
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$dataloadMetadata = $this->DataloadMapper->getDataloadById($dataloadId); |
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$result = $this->getDataFromDatasource($dataloadId); |
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$insert = $update = 0; |
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$datasetId = $result['datasetId']; |
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$option = json_decode($dataloadMetadata['option'], true); |
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if (isset($option['delete']) and $option['delete'] === 'true') { |
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$this->StorageController->delete($datasetId, '*', '*'); |
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} |
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if ($result['error'] === 0) { |
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foreach ($result['data'] as &$row) { |
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if (count($row) === 2) { |
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// if datasource only delivers 2 colums, the value needs to be in the last one |
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$row[2] = $row[1]; |
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$row[1] = null; |
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} |
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$action = $this->StorageController->update($datasetId, $row[0], $row[1], $row[2], $dataloadMetadata['user_id']); |
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$insert = $insert + $action['insert']; |
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$update = $update + $action['update']; |
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} |
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} |
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$result = [ |
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'insert' => $insert, |
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'update' => $update, |
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'error' => $result['error'], |
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]; |
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if ($result['error'] === 0) $this->ActivityManager->triggerEvent($datasetId, ActivityManager::OBJECT_DATA, ActivityManager::SUBJECT_DATA_ADD_DATALOAD, $dataloadMetadata['user_id']); |
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return $result; |
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} |
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/** |
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* get the data from datasource |
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* to be used in simulation or execution |
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* |
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* @param int $dataloadId |
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* @return array|NotFoundResponse |
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* @throws NotFoundResponse|NotFoundException |
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*/ |
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public function getDataFromDatasource(int $dataloadId) |
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{ |
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$dataloadMetadata = $this->DataloadMapper->getDataloadById($dataloadId); |
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$datasetMetadata = $this->DatasetService->getOwnDataset($dataloadMetadata['dataset'], $dataloadMetadata['user_id']); |
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if (!empty($datasetMetadata)) { |
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$option = json_decode($dataloadMetadata['option'], true); |
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$option['user_id'] = $dataloadMetadata['user_id']; |
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//$this->logger->debug('DataLoadController 187: ' . $dataloadMetadata['option'] . '---' . json_encode($option)); |
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$result = $this->DatasourceController->read((int)$dataloadMetadata['datasource'], $option); |
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$result['datasetId'] = $dataloadMetadata['dataset']; |
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if (isset($option['timestamp']) and $option['timestamp'] === 'true') { |
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// if datasource should be timestamped/snapshoted |
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// shift values by one dimension and stores date in second column |
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$result['data'] = array_map(function ($tag) { |
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$columns = count($tag); |
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return array($tag[$columns - 2], $tag[$columns - 2], $tag[$columns - 1]); |
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}, $result['data']); |
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$result['data'] = $this->replaceDimension($result['data'], 1, date("Y-m-d H:i:s")); |
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} |
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return $result; |
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} else { |
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return new NotFoundResponse(); |
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} |
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} |
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/** |
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* replace all values of one dimension |
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* |
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* @NoAdminRequired |
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* @param $Array |
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* @param $Find |
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* @param $Replace |
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* @return array |
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*/ |
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private function replaceDimension($Array, $Find, $Replace) |
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{ |
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if (is_array($Array)) { |
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foreach ($Array as $Key => $Val) { |
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if (is_array($Array[$Key])) { |
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$Array[$Key] = $this->replaceDimension($Array[$Key], $Find, $Replace); |
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} else { |
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if ($Key === $Find) { |
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$Array[$Key] = $Replace; |
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} |
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} |
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} |
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} |
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return $Array; |
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} |
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} |