unset($arr1);
unset($arr2);
unset($arr3);
unset($arr4);

$result = array();

$res1 = new Literal("fred@work.example");
$res2 = new Literal("Fascination Street 11");
$res3 = new Resource("mailto:bob@work.example");
$res4 = new Resource("http://example.org/eve");

$arr1 = array();
$arr2 = array();
$arr3 = array();
$arr4 = array();


$arr1["?address"]=$res1;

$arr2["?address"]=$res2;

$arr3["?address"]=$res3;

$arr4["?address"]=$res4;



$result[]=$arr4;
$result[]=$arr3;
$result[]=$arr2;
$result[]=$arr1;