public function getDataLength($index)
	{
		if (isset($this->_list[$index])) {
			return $this->_list[$index]->Size;
		}
		return 0;
	}
public function getDataLength($index)
	{
		if (isset($this->_list[$index])) {
			return $this->_list[$index]->Size;
		}
		return 0;
	}
public function getDataLength ( $ index ) { if ( isset ( $ this -> _list [ $ index ] ) ) { return $ this -> _list [ $ index ] -> Size ; } return 0 ; }
Gets the data length from a PPS
If there is no PPS for the index given, it will return 0.

@access public
@param integer $index    The index for the PPS
@return integer The amount of bytes in data the PPS has
Gets the data length from a PPS If there is no PPS for the index given it will return 0 .