Dibi\Connection::fetchSingle PHP Méthode

    public function fetchSingle($args)
    {
        $args = func_get_args();
        return $this->query($args)->fetchSingle();
    }

 /**
  * It returns number of all rows in table.
  * @return int
  */
 public function selectNumOfAllRows()
 {
     return $this->connection->fetchSingle("SELECT COUNT(*) FROM `" . $this->table->getName() . "`");
 }