%u901A%u8054%u65E0%u9650ʵ|hyenpkjvlg||hyenpkjvlg|2005-03-02.11:44|hyenpkjvlg|18|hyenpkjvlg|unicodeasciiʾ<br><br>echo&nbsp;unescape('%u901A%u8054%u65E0%u9650');&nbsp;//ͨ<br>У<br>function&nbsp;unescape($str)&nbsp;{<br>&nbsp;&nbsp;$str&nbsp;=&nbsp;rawurldecode($str);<br>&nbsp;&nbsp;preg_match_all(&quot;/(?:%u.{4})|&amp;#x.{4};|&amp;#\d+;|.+/&quot;,$str,$r);<br>&nbsp;&nbsp;$ar&nbsp;=&nbsp;$r[0];<br>&nbsp;&nbsp;foreach($ar&nbsp;as&nbsp;$k=&gt;$v)&nbsp;{<br>&nbsp;&nbsp;&nbsp;&nbsp;if(substr($v,0,2)&nbsp;==&nbsp;&quot;%u&quot;&nbsp;&amp;&amp;&nbsp;strlen($v)&nbsp;==&nbsp;6)<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$ar[$k]&nbsp;=&nbsp;iconv(&quot;UCS-2&quot;,&quot;GB2312&quot;,pack(&quot;H4&quot;,substr($v,-4)));<br>&nbsp;&nbsp;}<br>&nbsp;&nbsp;return&nbsp;join(&quot;&quot;,$ar);<br>}<br>