function getAllDownloadsStats($pubObjectId, $stats = array()) { if (empty($stats)) { $stats = $this->_getDownloadStats($pubObjectId); } $allDownloadStats = array(); foreach ($stats as $dataset) { if (array_key_exists('allDownloads', $dataset)) { $allDownloadStats = $dataset['allDownloads']; } } return $allDownloadStats; }