public function fetch($key, $value)
	{
		foreach ($this->_data as $data)
		{
			if ($data->get($key) == $value)
			{
				return $data;
			}
		}
		return null;
	}
public function fetch($key, $value)
	{
		foreach ($this->_data as $data)
		{
			if ($data->get($key) == $value)
			{
				return $data;
			}
		}
		return null;
	}
public function fetch ( $ key , $ value ) { foreach ( $ this -> _data as $ data ) { if ( $ data -> get ( $ key ) == $ value ) { return $ data ; } } return null ; }
Fetch Item with key equal to value

@param   $key    Object Key
@param   $value  Object Value
@return  mixed
Fetch Item with key equal to value