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

array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
int(0)
NULL
NULL
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
int(0)
NULL
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
int(0)
NULL
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
int(0)
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  string(3) "foo"
}
int(0)
NULL