How about default($var, expr)?
It might be a good idea to decide on a name for the construct before the PHP 5.0.0 release in order to make it a reserved word (marked for future use).
-- Sebastian Bergmann http://sebastian-bergmann.de/ http://phpOpenTracker.de/
Das Buch zu PHP 5: http://professionelle-softwareentwicklung-mit-php5.de/
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