Re: Type hinting

On 18 June 2010 15:13, Melanie Rhianna Lewis <cyberspice@php.net> wrote: > > > On 17 Jun 2010, at 20:14, Stas Malyshev wrote: > >> Hi! >> >>> I know the discussion is about scalar type hints. But what is with a >>> object type hint as base for all objects? >> >> When it makes sense to accept any object, regardless of the class, but not other types? I >> wonder if it's really a common use-case. > > Its useful in some patterns.  For example suppose you have a pattern where a class wraps > another class.  The wrapped class could be *any* class if you're modify the behaviour of some > default methods (say doing something like a decorator pattern).  Having a type hint that recognises > object vs non objects is useful. > > Melanie > > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > class::method(object $instance) would certainly be useful. Could this not be solved by internally extending all userland classes (and whilst we are at this why not all internal classes) from a PHP supplied empty class? Maybe stdClass? scalar, array, class, interface, untyped class. -- ----- Richard Quadling "Standing on the shoulders of some very clever giants!" EE : http://www.experts-exchange.com/M_248814.html EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731 ZOPA : http://uk.zopa.com/member/RQuadling