在php中，知道汉字的unicode码，如何显示成汉字啊

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function u2gbk($str){
return preg_replace("/\\\u([\da-f]{4})/ie", 'iconv("UCS-2", "gb2312", pack("H4", "\1"))', $str);
}
echo u2gbk('\u65F0');

Refer from http://i.cn.yahoo.com/tianyunzhixing/blog/p_233/

This article is posted by guoxiaod on August 4th,2007 23:08, link is https://sanmuding.com/i/199.