00001 <?php 00018 abstract class axFeedWriter extends DOMDocument { 00019 00024 protected $_feed; 00025 00030 public function __construct (axFeed $feed) { 00031 parent::__construct('1.0', 'utf-8'); 00032 $this->_feed = $feed; 00033 } 00034 00040 abstract protected function buildFeedInfo (); 00041 00046 abstract protected function buildItems (); 00047 }