WeChat public Platform interface reply Chinese garbled

 Valid (); $wechatObj->responsemsg (); function Youdaofanyi ($keyword) {$url = ' http://fanyi.youdao.com/openapi.do?keyfrom=coolrand&key=545706258& Type=data&doctype=json&version=1.1&q= '. $keyword; $f = new Saefetchurl (); $output = $f->fetch ($url); $ Message = Json_decode ($output, true); $errorcode = $message [' errorcode ']; $phonetic = $message [' Basic '] [' $phonetic '];$ explains1 = $message [' Basic '] [' explains '] [' 0 ']; $explains 2 = $message [' Basic '] [' explains '] [' 1 ']; $explains 3 = $message [' Basic '] [' explains '] [' 2 ']; $trans = $message [' translation '][0];return "haha". " \ n ". $trans." \ n ". $phonetic." \ n ". $explains 1;}     Class wechatcallbackapitest{Public Function valid () {$echoStr = $_get["Echostr"];    if ($this->checksignature ()) {echo $echoStr;    Exit    }} Public Function responsemsg () {$postStr = $GLOBALS ["Http_raw_post_data"];    if (!empty ($POSTSTR)) {$POSTOBJ = simplexml_load_string ($postStr, ' simplexmlelement ', libxml_nocdata); $fromUsername = $postObj->fromusername;    $toUsername = $POSTOBJ->tousername;    $keyword = Trim ($postObj->content);    $time = time (); $TEXTTPL = "
 
   
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 ";    if (!empty ($keyword)) {if (Eregi ("a", $keyword)) {$msgType = "text";    $CONTENTSTR = Youdaofanyi ($keyword);    $RESULTSTR = sprintf ($TEXTTPL, $fromUsername, $toUsername, $time, $msgType, $CONTENTSTR); echo $resultStr;}    else{$msgType = "text";    $CONTENTSTR = "Welcome";    $RESULTSTR = sprintf ($TEXTTPL, $fromUsername, $toUsername, $time, $msgType, $CONTENTSTR);    echo $resultStr;}    }else{echo "ASD";    }}else {echo MESS;    Exit    }} Private Function Checksignature () {$signature = $_get["signature"];    $timestamp = $_get["timestamp"];    $nonce = $_get["nonce"];    $token =token;    $TMPARR = Array ($token, $timestamp, $nonce);    Sort ($TMPARR);    $TMPSTR = implode ($TMPARR);    $TMPSTR = SHA1 ($TMPSTR);    if ($tmpStr = = $signature) {return true;    }else{return false; }}}?>

Code as above, but the reply in Chinese will show garbled, what is the problem ah

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Reply content:

 Valid (); $wechatObj->responsemsg (); function Youdaofanyi ($keyword) {$url = ' http://fanyi.youdao.com/openapi.do?keyfrom=coolrand&key=545706258& Type=data&doctype=json&version=1.1&q= '. $keyword; $f = new Saefetchurl (); $output = $f->fetch ($url); $ Message = Json_decode ($output, true); $errorcode = $message [' errorcode ']; $phonetic = $message [' Basic '] [' $phonetic '];$ explains1 = $message [' Basic '] [' explains '] [' 0 ']; $explains 2 = $message [' Basic '] [' explains '] [' 1 ']; $explains 3 = $message [' Basic '] [' explains '] [' 2 ']; $trans = $message [' translation '][0];return "haha". " \ n ". $trans." \ n ". $phonetic." \ n ". $explains 1;}     Class wechatcallbackapitest{Public Function valid () {$echoStr = $_get["Echostr"];    if ($this->checksignature ()) {echo $echoStr;    Exit    }} Public Function responsemsg () {$postStr = $GLOBALS ["Http_raw_post_data"];    if (!empty ($POSTSTR)) {$POSTOBJ = simplexml_load_string ($postStr, ' simplexmlelement ', libxml_nocdata); $fromUsername = $postObj->fromusername;    $toUsername = $POSTOBJ->tousername;    $keyword = Trim ($postObj->content);    $time = time (); $TEXTTPL = "
 
   
    %s 
    
    %s 
    
   
    
  %s 
    
    %s 
    
    %s 
    
   
     0 
     
     
    
  
 ";    if (!empty ($keyword)) {if (Eregi ("a", $keyword)) {$msgType = "text";    $CONTENTSTR = Youdaofanyi ($keyword);    $RESULTSTR = sprintf ($TEXTTPL, $fromUsername, $toUsername, $time, $msgType, $CONTENTSTR); echo $resultStr;}    else{$msgType = "text";    $CONTENTSTR = "Welcome";    $RESULTSTR = sprintf ($TEXTTPL, $fromUsername, $toUsername, $time, $msgType, $CONTENTSTR);    echo $resultStr;}    }else{echo "ASD";    }}else {echo MESS;    Exit    }} Private Function Checksignature () {$signature = $_get["signature"];    $timestamp = $_get["timestamp"];    $nonce = $_get["nonce"];    $token =token;    $TMPARR = Array ($token, $timestamp, $nonce);    Sort ($TMPARR);    $TMPSTR = implode ($TMPARR);    $TMPSTR = SHA1 ($TMPSTR);    if ($tmpStr = = $signature) {return true;    }else{return false; }}}?>

Code as above, but the reply in Chinese will show garbled, what is the problem ah

