php 将Unicode 转成汉字

时间：2014-05-08 21:06:23 收藏：0 阅读：375

<?php 
$s 
= "\u4e2d\u56fd";//中国
$s=str_replace("\\","%",$s);
function 
unescape($str) {
    $str 
= rawurldecode($str);
    preg_match_all("/(?:%u.{4})|.{4};|&#\d+;|.+/U",$str,$r);
    $ar 
= $r[0];
    foreach($ar 
as $k=>$v) {
        if(substr($v,0,2) == "%u")
            $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,-4)));
        elseif(substr($v,0,3) == "")
            $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,3,-1)));
        elseif(substr($v,0,2) == "&#") {
                $ar[$k] = iconv("UCS-2","utf-8",pack("n",substr($v,2,-1)));
            }
        }
        return 
join("",$ar);
    }
    echo 
unescape($s);
?>

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