--> Write existent, non-existent and dynamic:
  Original wrapped object:
object(UsesMagic)#1 (5) {
  ["a"]=>
  string(7) "changed"
  ["b"]=>
  int(2)
  ["c"]=>
  int(3)
  ["priv":"UsesMagic":private]=>
  string(6) "secret"
  ["dynamic"]=>
  string(11) "new.changed"
}
  Wrapping ArrayObject:
object(ArrayObject)#2 (1) {
  ["storage":"ArrayObject":private]=>
  object(UsesMagic)#1 (5) {
    ["a"]=>
    string(7) "changed"
    ["b"]=>
    int(2)
    ["c"]=>
    int(3)
    ["priv":"UsesMagic":private]=>
    string(6) "secret"
    ["dynamic"]=>
    string(11) "new.changed"
  }
}

--> Read existent, non-existent and dynamic:
string(7) "changed"

Notice: Undefined index:  nonexistent in %s on line 42
NULL
string(11) "new.changed"
  Original wrapped object:
object(UsesMagic)#1 (5) {
  ["a"]=>
  string(7) "changed"
  ["b"]=>
  int(2)
  ["c"]=>
  int(3)
  ["priv":"UsesMagic":private]=>
  string(6) "secret"
  ["dynamic"]=>
  string(11) "new.changed"
}
  Wrapping ArrayObject:
object(ArrayObject)#2 (1) {
  ["storage":"ArrayObject":private]=>
  object(UsesMagic)#1 (5) {
    ["a"]=>
    string(7) "changed"
    ["b"]=>
    int(2)
    ["c"]=>
    int(3)
    ["priv":"UsesMagic":private]=>
    string(6) "secret"
    ["dynamic"]=>
    string(11) "new.changed"
  }
}

--> isset existent, non-existent and dynamic:
bool(true)
bool(false)
bool(true)
  Original wrapped object:
object(UsesMagic)#1 (5) {
  ["a"]=>
  string(7) "changed"
  ["b"]=>
  int(2)
  ["c"]=>
  int(3)
  ["priv":"UsesMagic":private]=>
  string(6) "secret"
  ["dynamic"]=>
  string(11) "new.changed"
}
  Wrapping ArrayObject:
object(ArrayObject)#2 (1) {
  ["storage":"ArrayObject":private]=>
  object(UsesMagic)#1 (5) {
    ["a"]=>
    string(7) "changed"
    ["b"]=>
    int(2)
    ["c"]=>
    int(3)
    ["priv":"UsesMagic":private]=>
    string(6) "secret"
    ["dynamic"]=>
    string(11) "new.changed"
  }
}

--> Unset existent, non-existent and dynamic:

Notice: Undefined index:  nonexistent in %s on line 60
  Original wrapped object:
object(UsesMagic)#1 (3) {
  ["b"]=>
  int(2)
  ["c"]=>
  int(3)
  ["priv":"UsesMagic":private]=>
  string(6) "secret"
}
  Wrapping ArrayObject:
object(ArrayObject)#2 (1) {
  ["storage":"ArrayObject":private]=>
  object(UsesMagic)#1 (3) {
    ["b"]=>
    int(2)
    ["c"]=>
    int(3)
    ["priv":"UsesMagic":private]=>
    string(6) "secret"
  }
}