phpjson转数组出错

php json转数组出错求助
1：先输出json

//组合医生信息JSON

$jsonDoctorInfo  = "{\"mecdoctor\":[";

$jsonDoctorInfo .= "{\"doctorId\":\"".$doctorId."\",\"doctorName\":\"".$strDoctorName."\", \"doctorprice\":\"".$strPrice."\",\"expertise\":\"".$strExpertise."\",\"departments\":\"".$strdepartments."\",\"doctorTitle\":\"".$strTitle."\",\"doctorPhoto\":\"".$strDoctorPhoto."\"}";

$jsonDoctorInfo .= "]}";

2：获取并decode
$jsonGetDoctorInfoData = json_encode($jsonGetDoctorInfoData);
$objGetDoctorInfoData = json_decode($jsonGetDoctorInfoData);
输出：

{"mecdoctor":[{"doctorId":"","doctorName":"XXXX", "doctorprice":"122","expertise":"XXXXX","departments":"医内科","doctorTitle":"主任医师","doctorPhoto":"hmh"}]}

3：将json转换成数组

//解析JSON数据

	function _json_decode($json){

		$comment = false;

		$out = '$x=';

		for ($i=0; $i
			if (!$comment){

				if ( ($json[$i] == '{') || ($json[$i] == '[') )

					$out .= ' array(';

				else if (($json[$i] == '}') || ($json[$i] == ']'))

					$out .= ')';

				else if ($json[$i] == ':')

					$out .= '=>';

				else

					$out .= $json[$i];          

			}else

				$out .= $json[$i];

			if($json[$i]== '"' && $json[($i-1)]!="\\")

				$comment = !$comment;

		}

		eval($out.";");

		

		return $x;

	}

4：出现问题
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /home/u945504094/public_html/config/config.inc.php(876) : eval()'d code on line 1

分享到：

------解决方案--------------------
没有问题呀

$s = '{"mecdoctor":[{"doctorId":"","doctorName":"XXXX", "doctorprice":"122","expertise":"XXXXX","departments":"医内科","doctorTitle":"主任医师","doctorPhoto":"hmh"}]}';



print_r(_json_decode($s));



    function _json_decode($json){

        $comment = false;

        $out = '$x=';

        for ($i=0; $i
            if (!$comment){

                if ( ($json[$i] == '{') 
------解决方案--------------------
 ($json[$i] == '[') )

                    $out .= ' array(';

                else if (($json[$i] == '}') 
------解决方案--------------------
 ($json[$i] == ']'))

                    $out .= ')';

                else if ($json[$i] == ':')

                    $out .= '=>';

                else

                    $out .= $json[$i];          

            }else

                $out .= $json[$i];

            if($json[$i]== '"' && $json[($i-1)]!="\\")

                $comment = !$comment;

        }

        eval($out.";");

         

        return $x;

    }

Array

(

    [mecdoctor] => Array

        (

            [0] => Array

                (

                    [doctorId] =>