字符串html实业转换

字符串html实体转换
原字符串：http://www.qdta.cn/xxw/xxInfo.asp?xxlx=旅游热讯&id=12939
想要转换成：http://www.qdta.cn/xxw/xxInfo.asp?xxlx=旅游热讯&id=12939
请问用什么函数？

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------解决方案--------------------

<br />function unescape($str) {<br />  $str = rawurldecode($str);<br />  preg_match_all("/(?:%u.{4})<br><font color='#FF8000'>------解决方案--------------------</font><br>&#x.{4};<br><font color='#FF8000'>------解决方案--------------------</font><br>&#\d+;<br><font color='#FF8000'>------解决方案--------------------</font><br>.+/U",$str,$r);<br />  $ar = $r[0];<br />print_r($ar);<br />  foreach($ar as $k=>$v) {<br />    if(substr($v,0,2) == "%u")<br />      $ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,-4)));<br />    elseif(substr($v,0,3) == "&#x")<br />      $ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1)));<br />    elseif(substr($v,0,2) == "&#") {<br />echo substr($v,2,-1)."<br>";<br />      $ar[$k] = iconv("UCS-2","UTF-8",pack("n",substr($v,2,-1)));<br />    }<br />  }<br />  return join("",$ar);<br />}<br />

------解决方案--------------------
有一种方法，直接用JS好了，如

<br /><script language="javascript"><br />code=26053;<br />str = String.fromCharCode(code);<br />document.write(str);<br /></script><br />