//對象轉json
class a{
? ?public $name = "public name";
? ?protected $b = 'protected name';
? ?private ?$c = 'private name';

? ?public function show(){
? ? ? ?return $this->name;
? ?}
}
echo "<hr/>";
$obj = new a();
print_r($obj);
$thi = json_encode($obj);
echo $thi;?

為什么我轉出來就是一個 public name的字符串