function getucs($str,$charset='utf-8') {
$s=iconv($charset,"ucs-4",$str);
$rt=0;
$output='';
for($k=0;$k<strlen($s);) {
$rt=0;
for($i=0;$i<4;$i++,$k++) {
$rt=$rt<<8;
$rt+=ord($s[$k]);
}
$output.="&#$rt;";
}
return $output;
}
echo getucs('JiangMiao的Blog: http://blog.csdn.net/antter','utf-8');
/*
輸出
JiangMiao的Blog: http://blog.csdn.net/antter
*/
?>