bool(true)
<br/>int(123)
<br/>float(123.9)
<br/>string(8) "123.9abc"
<br/>array(1) {
  [0]=>
  string(8) "123.9abc"
}
<br/>object(stdClass)#1 (1) {
  ["scalar"]=>
  string(8) "123.9abc"
}
<br/>NULL