public function isFile($index)
	{
		if (isset($this->_list[$index])) {
			return ($this->_list[$index]->Type == self::OLE_PPS_TYPE_FILE);
		}
		return false;
	}
public function isFile($index)
	{
		if (isset($this->_list[$index])) {
			return ($this->_list[$index]->Type == self::OLE_PPS_TYPE_FILE);
		}
		return false;
	}
public function isFile ( $ index ) { if ( isset ( $ this -> _list [ $ index ] ) ) { return ( $ this -> _list [ $ index ] -> Type == self :: OLE_PPS_TYPE_FILE ) ; } return false ; }
Checks whether a PPS is a File PPS or not.
If there is no PPS for the index given, it will return false.

@access public
@param integer $index The index for the PPS
@return bool true if it's a File PPS, false otherwise
Checks whether a PPS is a File PPS or not . If there is no PPS for the index given it will return false .