PHP调用有道词典翻译API实现通译功能及代码

function getTransContent($url) {
     //   $url = "http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=xml&version=1.1&q=" .urlencode($this->keyword);
     //  echo $url;
        // $url = urlencode($url);
        $value = file_get_contents($url);//	echo $value;
		

       // $ch = curl_init();
        
      //  curl_setopt($ch, CURLOPT_URL, $url);
        
       // $html = curl_exec($ch);
	   $ar = simplexml_load_string($value,'SimpleXMLElement',LIBXML_NOCDATA 
------解决方案--------------------
 LIBXML_NOBLANKS);
        //$jsonValue = json_decode ( $value, true );
		
		$errorCode = $ar->errorCode;echo $errorCode.PHP_EOL;
        //翻译成功
      //  $errorCode = $jsonValue["erroeCode"];
        $trans = '';
        
        if (isset($errorCode)) {
        	switch ($errorCode) {
        		case 0:
        			$trans = $ar->translation->paragraph;
        			break;
        		case 20:
        			$trans = '要翻译的文本过长';
        			break;
        		case 30:
        			$trans = '无法进行有效的翻译';
        			break;
        		case 40:
        			$trans = '不支持的语言类型';
        			break;
        		case 50:
        			$trans = '无效的key';
        			break;
        		default:
        			$trans = '出现异常';
        			break;        			
        	}
        }
        return $trans;
    }
$s=urlencode('中文');
echo getTransContent("http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=xml&version=1.1&q=$s");

$c = iconv('gbk', 'utf-8', '中文'); //gbk 一定要转成 utf-8
$c = urlencode($c); //必须做 url 编码
$url = "http://fanyi.youdao.com/openapi.do?keyfrom=cxvsdffd33&key=1310976914&type=data&doctype=json&version=1.1&q=$c";
//返回类型 设为 json，这样处理起来方便些
$s = file_get_contents($url);
print_r(json_decode($s， 1));

Array
(
    [translation] => Array
        (
            [0] => Chinese
        )

    [basic] => Array
        (
            [phonetic] => zhōng wén
            [explains] => Array
                (
                    [0] => [语] Chinese
                )

        )

    [query] => 中文
    [errorCode] => 0
    [web] => Array
        (
            [0] => Array
                (
                    [value] => Array