Test begin
object(F)#1 (2) {
  ["foo"]=>
  int(12)
  ["bart"]=>
  string(5) "snoot"
}
int(12)
HipHop Notice: Undefined property: F::$foo in %s on line 10
NULL
string(5) "snoot"
HipHop Notice: Undefined property: F::$bart in %s on line 10
NULL
object(F)#1 (0) {
}
object(C)#2 (2) {
  ["p"]=>
  string(4) "C::p"
  ["q"]=>
  NULL
}
In C::__unset("r")
object(C)#2 (0) {
}
------------------------
foo
------------------------
foo
Test end
string(4) "set1"
HipHop Notice: Undefined property: c2::$declprop in %s on line 68
NULL
string(4) "set2"