Description:
------------
vardump of child in SimpleXMLElement is incorrect

Test script:
---------------
$obj = new SimpleXMLElement('<root>
<a>1.9</a>
<a>2.1</a>
</root>');
var_dump($obj->a);

Expected result:
----------------
object(SimpleXMLElement)#5 (1) {
  [0]=>
  string(3) "1.9"
  [1]=>
  string(3) "2.1"
}


Actual result:
--------------
object(SimpleXMLElement)#5 (1) {
  [0]=>
  string(3) "1.9"
}