eZ\Publish\Core\Persistence\Legacy\Content\Language\Gateway::loadAllLanguagesData PHP Method

    public abstract function loadAllLanguagesData();

 /**
  * Loads the data for all languages
  *
  * @return string[][]
  */
 public function loadAllLanguagesData()
 {
     try {
         return $this->innerGateway->loadAllLanguagesData();
     } catch (DBALException $e) {
         throw new RuntimeException('Database error', 0, $e);
     } catch (PDOException $e) {
         throw new RuntimeException('Database error', 0, $e);
     }
 }