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Subject: Re: [PHP-DEV] Constant Parameters
From: sean@caedmon.net (Sean Coates)

> $db = new DBConnection($properties);
> // Notice, still not connected to DB
> $third_party_obj->foo($db);
> $db->connect();

In the requested feature, the "protection" is in the wrong hands (that
of the third party object).

You're much better off changing your call to:
$third_party_obj->foo(clone $db);

S