hhvm/hphp/test/quick/get_class_constants.php.expect

array(5) {
  ["DYNAMIC_VAL"]=>
  int(2)
  ["STRING_VAL"]=>
  string(3) "zzz"
  ["INT_VAL"]=>
  int(105)
  ["FP_VAL"]=>
  float(3.14)
  ["NULL_VAL"]=>
  NULL
}