Re: Wikimedia - php4

On Wed, 2005-09-21 at 01:20, Rasmus Lerdorf wrote: > Robert Cummings wrote: > > I think you mean novice use. There are certainly times when assigning an > > object to a variable I want all the values currently referring to that > > object to see the update and not just the variable being assigned to. I > > understand that objects in PHP5 are passed by reference under normal > > assignment, but it's a copy of a reference and not a reference to a > > reference. > > I am not sure I would call it novice use. Normally you simply want to > manipulate the object itself. As in: > > class foo { > public $prop = 1; > } > $a = new foo(); > $b = $a; > $b->prop++; > echo $a->prop; > > This will of course output 2. Manipulating the object through any of > its references will be reflected in all the others as there is just one > object here. Absolutely, but that's the object's properties, but sometimes when assigning a new object, you want all references to the previous object to also be updated. Cheers, Rob. -- .------------------------------------------------------------. | InterJinn Application Framework - http://www.interjinn.com | :------------------------------------------------------------: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `------------------------------------------------------------'