php过滤html标记属性类用法实例(2)

<?php 
require('HtmlAttributeFilter.class.php'); 
 
$str = '<div class="bd clearfix" id="index_hilite_ul"><ul class="list"><li><img src="http://www.1sohu.com/sp/attachments/allimg/140925/1145261453_0.png" width="118" height="148"><div class="cover"><a class="text" href="http://www.jb51.net"><strong>yuna</strong><p>love</p></a><strong class="t g">want to know</strong><a href="/login.html" class="ppBtn"><strong class="text">YES</strong></a></div></li></ul></div>'; 
 
$obj = new HtmlAttributeFilter(); 
 
// 允许id属性 
$obj->setAllow(array('id')); 
 
$obj->setException(array( 
  'a' => array('href'),  // a 标签允许有 href属性特例 
  'ul' => array('class') // ul 标签允许有 class属性特例 
)); 
 
// img 标签忽略,不过滤任何属性 
$obj->setIgnore(array('img')); 
 
echo 'source str:<br>'; 
echo htmlspecialchars($str).'<br><br>'; 
echo 'filter str:<br>'; 
echo htmlspecialchars($obj->strip($str)); 
?>