php 5 mysqli wrapper - data reader

// mysql data reader class
class MySqlDataReader{

//
// private members
//

private $Statement;
private $Results;
private $Bound;

//
// constructor
//

public function __construct($Statement = ''){

 $this->Statement = $Statement;
 $this->Bound = false;
}

//
// private methods
//

// bind output parameters
private function BindResults(){

 if(count($this->Results)){

  $this->Bound = true;
  // $this->Statement->bind_result($this->Results[0], $this->Results[1], ...);
  call_user_func_array(array($this->Statement, 'bind_result'), $this->Results);
 }
}

//
// public methods
//

// helper method for adding bound results
public function AddResult(&$result){
 $this->Results[] = &$result;
}

// read data from database
public function Read(){

 // bind result parameters on first call to read
 if(!$this->Bound)
  $this->BindResults();

 // fetch next row of data
 if(is_object($this->Statement))
  return $this->Statement->fetch();
}

// close the statement if it hasn't been closed already
public function Close(){

 if(is_object($this->Statement))
  $this->Statement->close();
}

}
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