(PHP 7 >= 7.4.0, PHP 8)
get_mangled_object_vars — Returns an array of mangled object properties
$object): array
   Returns an array whose elements are the object's
   properties. The keys are the member variable names, with a few notable
   exceptions: private variables have the class name prepended to the variable name,
   and protected variables have a * prepended to the variable name.
   These prepended values have NUL bytes on either side.
  
objectAn object instance.
   Returns an array containing all properties, regardless of visibility, of object.
  
示例 #1 get_mangled_object_vars() example
<?php
class A
{
    public $public = 1;
    protected $protected = 2;
    private $private = 3;
}
class B extends A
{
    private $private = 4;
}
$object = new B;
$object->dynamic = 5;
$object->{'6'} = 6;
var_dump(get_mangled_object_vars($object));
class AO extends ArrayObject
{
    private $private = 1;
}
$arrayObject = new AO(['x' => 'y']);
$arrayObject->dynamic = 2;
var_dump(get_mangled_object_vars($arrayObject));
以上例程会输出:
array(6) {
  ["Bprivate"]=>
  int(4)
  ["public"]=>
  int(1)
  ["*protected"]=>
  int(2)
  ["Aprivate"]=>
  int(3)
  ["dynamic"]=>
  int(5)
  [6]=>
  int(6)
}
array(2) {
  ["AOprivate"]=>
  int(1)
  ["dynamic"]=>
  int(2)
}