array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}
array(3) {
  [0]=>
  int(4)
  [1]=>
  int(5)
  [2]=>
  int(6)
}
object(stdClass)#3 (1) {
  ["a"]=>
  string(1) "b"
}
object(stdClass)#4 (1) {
  ["b"]=>
  string(1) "a"
}
float(3.14)
float(2.73)
bool(false)
bool(true)
bool(true)
bool(false)
NULL
NULL