下面的json串如何去掉换行符，试过php的相关函数，最后无效

Question

{"msg":"{
 \"iaback\" : {
 \"code\" : -3522,
 \"msg\" : \"\"
 },
 \"iawork\&quot

三叔 · Answer

var res = {"msg":"{
 "iaback" : {
 "code" : -3522,
 "msg" : ""
 },
 "iawork" : {
 "code" : -3522,
 "msg" : ""
 }
}
","result":0};

var msg = JSON.parse(res.msg);

欧阳克 · Answer

        $str = <<输出结果
Array
(
    [msg] => Array
        (
            [iaback] => Array
                (
                    [code] => -3522
                    [msg] => 
                )

            [iawork] => Array
                (
                    [code] => -3522
                    [msg] => 
                )

        )

    [result] => 0
)

下面的json串如何去掉换行符，试过php的相关函数，最后无效

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