/**
  * @param int $backupsToKeep
  * @return void
  */
 public function dbBackupCommand($backupsToKeep = 3)
 {
     $this->backupPath = PATH_site . 'backup/database/';
     $this->backupsToKeep = $backupsToKeep;
     BackupUtility::backupTable($this->backupPath);
     BackupUtility::removeOldBackups($this->backupPath, $this->backupsToKeep);
 }