有时候需要清除文章中一些垃圾HMTL代码，下面给出解决方法：

<?
function Text2Html($txt){
$txt = str_replace(" ","　",$txt);
$txt = str_replace("<","&lt;",$txt);


$txt = str_replace(">","&gt;",$txt);
$txt = preg_replace("/[rn]{1,}/isU","
rn",$txt);
return $txt; }

?>

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