3 * Base class for patTemplate input filter
5 * $Id: InputFilter.php 2 2007-11-03 04:59:01Z fishbone $
7 * An input filter is used to modify the stream
8 * before it has been processed by patTemplate_Reader.
10 * @package patTemplate
12 * @author Stephan Schmidt <schst@php.net>
16 * Base class for patTemplate input filter
18 * $Id: InputFilter.php 2 2007-11-03 04:59:01Z fishbone $
20 * An input filter is used to modify the stream
21 * before it has been processed by patTemplate_Reader.
24 * @package patTemplate
26 * @author Stephan Schmidt <schst@php.net>
28 class patTemplate_InputFilter extends patTemplate_Module
35 * @return string filtered data
37 function apply( $data )