array(0) {
}
array(1) {
  [0]=>
  NULL
}
array(1) {
  [0]=>
  bool(true)
}
array(1) {
  [0]=>
  int(42)
}
array(1) {
  [0]=>
  float(12.34)
}
array(1) {
  [0]=>
  string(5) "hello"
}
array(1) {
  [0]=>
  array(0) {
  }
}
array(6) {
  [0]=>
  NULL
  [1]=>
  bool(true)
  [2]=>
  int(42)
  [3]=>
  float(12.34)
  [4]=>
  string(5) "hello"
  [5]=>
  array(2) {
    [0]=>
    int(1)
    [1]=>
    array(2) {
      [0]=>
      int(2)
      [1]=>
      array(1) {
        [0]=>
        int(3)
      }
    }
  }
}
array(6) {
  [0]=>
  NULL
  [1]=>
  bool(true)
  [2]=>
  int(42)
  [3]=>
  float(12.34)
  [4]=>
  string(5) "hello"
  [5]=>
  array(2) {
    [0]=>
    int(1)
    [1]=>
    array(2) {
      [0]=>
      int(2)
      [1]=>
      array(1) {
        [0]=>
        int(3)
      }
    }
  }
}
array(1) {
  [""]=>
  string(4) "null"
}
array(1) {
  [0]=>
  string(5) "false"
}
array(1) {
  [1]=>
  string(4) "true"
}
array(1) {
  [0]=>
  string(1) "0"
}
array(1) {
  [42]=>
  string(2) "42"
}
array(1) {
  [12]=>
  string(5) "12.34"
}
array(1) {
  ["hello"]=>
  string(5) "world"
}
array(4) {
  [0]=>
  string(1) "0"
  [1]=>
  string(1) "1"
  ["hello"]=>
  string(5) "world"
  [12]=>
  array(0) {
  }
}
array(1) {
  [0]=>
  NULL
}
array(1) {
  [0]=>
  string(1) "0"
}
array(1) {
  [0]=>
  string(1) "0"
}
array(1) {
  ["hello"]=>
  string(5) "world"
}
array(1) {
  ["hello"]=>
  string(5) "world"
}
array(1) {
  [0]=>
  array(1) {
    [0]=>
    int(0)
  }
}
array(2) {
  [0]=>
  array(1) {
    [0]=>
    int(0)
  }
  [1]=>
  array(1) {
    [0]=>
    int(0)
  }
}
array(2) {
  [0]=>
  array(1) {
    [0]=>
    int(0)
  }
  [1]=>
  array(1) {
    [0]=>
    int(0)
  }
}
HipHop Warning: Invalid operand type was used: Invalid type used as key in %s on line 88
array(0) {
}
array(1) {
  [0]=>
  int(0)
}
array(1) {
  [-9223372036854775808]=>
  int(0)
}