function DataAccessManager($in_dbhost, $in_dbuser, $in_dbpass, $in_dbname)
 {
     $this->host = $in_dbhost;
     $this->user = $in_dbuser;
     $this->pass = $in_dbpass;
     $this->dbname = $in_dbname;
     parent::__construct($this->host, $this->user, $this->pass, $this->dbname);
     if ($this->hasError()) {
         print_r($this->getError());
     }
 }
 function __construct()
 {
     parent::__construct($this->connection);
 }