Re: is_a() against instanceof

Christian Stadler wrote: > Eli schrieb: > >>>- ($cls instanceof ClassName) *requires* from ClassName to be declared, >>>and generates a fatal error when ClassName is not declared. > > How about > if (class_exists('ClassName') AND $cls instanceof ClassName) > { > ... > } > > Regards, > Christian Stadler Nice suggestion! But I wonder... would it perhaps be better to use the && operator instead of the AND operator? That way in case you are trying to do an assignment PHP won't bother to check instanceof if the class_exists() fails. if (class_exists($class) && $cls instanceof $class) { } -- 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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