Works fine for me, what are you trying to do?
PHP Code:
function onCreated() {
temp.a.add(1);
echo(temp.a);
temp.a.add(2);
echo(temp.a);
temp.a.addarray({3,4});
echo(temp.a);
temp.a.add({5,6});
echo(temp.a);
}
/* Output:
1,
1,2
1,2,3,4
1,2,3,4,"5,6"
*/