i have:
stdClass Object ( [0] => stdClass Object ( [one] => aaa [two] => sss ) [1] => stdClass O
Of course you can typecast, $var = (array) $obj;, but I would suggest ArrayAccess to your class.
$var = (array) $obj;
By using ArrayAccess, you can then treat your objects and data as if it was an array, or natively as an object.
ArrayAccess