hhvm/hphp/test/quick/setelemloc2.php.expect

array(1) {
  [""]=>
  int(123)
}
int(123)
array(1) {
  [1]=>
  int(123)
}
int(123)
array(1) {
  [0]=>
  int(123)
}
int(123)
array(1) {
  [0]=>
  int(123)
}
int(123)
array(1) {
  [100]=>
  int(123)
}
int(123)
array(1) {
  [0]=>
  int(123)
}
int(123)
array(1) {
  [1238]=>
  int(123)
}
int(123)