You cannot do this because that syntax is already defined for PHP with another semantic.
Ok, missed that one, I never used multiple arguments to isset ;-)
Let's call it ifsetor, ifset or default then. But I still think allowing a list of expressions is a good idea because both
$a = ifsetor($db->get('x'), 'default_x');
and
$a = ifsetor($_REQUEST['x'], $db->get('x'), 'default_x');
make perfect sense IMHO.
- Chris
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