array(6) {
  ["name"]=>
  string(6) "张三"
  ["sex"]=>
  string(3) "男"
  ["age"]=>
  int(17)
  ["jh"]=>
  bool(false)
  ["height"]=>
  float(1.75)
  ["fml"]=>
  array(2) {
    ["father"]=>
    array(4) {
      ["name"]=>
      string(9) "张小花"
      ["sex"]=>
      string(3) "男"
      ["age"]=>
      int(46)
      ["work"]=>
      array(2) {
        ["work"]=>
        string(12) "公司职员"
        ["years"]=>
        int(28)
      }
    }
    ["mother"]=>
    string(6) "桂兰"
  }
}
fml-is array!
********************

********************
{
  "name"=>张三
  "sex"=>男
  "age"=>17
  "jh"=>Flase
  "height"=>1.75
  "fml"=>
  {
    "father"=>
    {
      "name"=>张小花
      "sex"=>男
      "age"=>46
      "work"=>
      {
        "work"=>公司职员
        "years"=>28
      }
    }
    "mother"=>桂兰
  }
}