Use: 246 2000
Args: 777 500
#0  funk() called at hphp/test/vm/closure.php:17]
#1  {closure}() called at hphp/test/vm/closure.php:27]
#2  main() called at hphp/test/vm/closure.php:33]
Use: 246 4000
Args: 888 500
#0  funk() called at hphp/test/vm/closure.php:17]
#1  {closure}() called at hphp/test/vm/closure.php:28]
#2  main() called at hphp/test/vm/closure.php:33]
object(Closure$)#1 (2) {
  ["use_by_val":"Closure$":private]=>
  int(123)
  ["use_by_ref":"Closure$":private]=>
  &int(4000)
}
int(123)
int(4000)