如下所示:
<?php<BR>function unicode_<mark style="color:transparent">来4源gaodaimacom搞#代%码*网</mark><code>搞代gaodaima码</code>encode($str, $encoding='GBK', $prefix='&#', $postfix=';'){<BR> $str = iconv($encoding, 'UCS-2', $str);<BR> $arrstr = str_split($str, 2);<BR> $unistr = '';<BR> for($i=0, $len=count($arrstr); $i<$len; $i++)<BR> {<BR> $dec = hexdec(bin2hex($arrstr[$i]));<BR> $unistr .= $prefix.$dec.$postfix;<BR> }<BR> return $unistr;<BR>}<BR>$str = '<b>哈哈</b>';<BR>$unistr = unicode_encode($str);<BR>echo $unistr.'<br />'; <BR>?><BR>