<p>这个函数写的是什么东西呢?<br />
<!--p<br-->
function SpHtml2Text($str)<br />
{<br />
$str = preg_replace("/||<!--(.*)-->/isU","",$str);<br />
$alltext = "";<br />
$start = 1;<br />
for($i=0;$i {<br />
if($start==0 && $str[$i]==">")<br />
{<br />
$start = 1;<br />
}<br />
else if($start==1)<br />
{<br />
if($str[$i]=="<")<br />
{<br />
$start = 0;<br />
$alltext .= " ";<br />
}<br />
else if(ord($str[$i])>31)<br />
{<br />
$alltext .= $str[$i];<br />
}<br />
}<br />
}<br />
$alltext = str_replace(" "," ",$alltext);<br />
$alltext = preg_replace("/&([^;&]*)(;|&)/","",$alltext);<br />
$alltext = preg_replace("/[ ]+/s"," ",$alltext);<br />
return $alltext;<br />
}<br />
?></p>