Eli wrote: ... > - is_a($cls,"ClassName") *doesn't require* from ClassName to be > declared, and return false when ClassName is not declared. ... Try is_subclass_of() http://php.net/manual/en/function.is-subclass-of.php -- Teach a man to fish... NEW? | http://www.catb.org/~esr/faqs/smart-questions.html STFA | http://marc.theaimsgroup.com/?l=php-general&w=2 STFM | http://php.net/manual/en/index.php STFW | http://www.google.com/search?q=php LAZY | http://mycroft.mozdev.org/download.html?name=PHP&submitform=Find+search+plugins
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