Re: constructor hook

Sounds to me like aspect-oriented programming, applied to object construction. Take a look at: https://github.com/AOP-PHP/AOP 2012/9/18 Rasmus Schultz <rasmus@mindplay.dk>: > Hey, > > I'm going to make this brief, because I suspect a lot of people are going > to jump at the opportunity to cry bloody murder when I suggest this. > > I wonder if it would make sense to have a way to globally hook into > __construct() - sort of like how you can hook into the autoloaders with > spl_autoload_register() ... > > This could be useful for things like dependency injection and debugging. > > Lithium (for one) uses a unified constructor to accomplish something like > this: > > http://lithify.me/docs/manual/lithium-basics/architecture.wiki > > That's bad for various reasons I won't delve into. > > Various DI containers use a replacement for the "new" keyword, e.g. > DI::create('MyClass') which is bad (worse) for other reasons... > > So basically, what if you could solve these design patterns by hooking into > constructors directly instead - something like: > > <?php >> constructor_hook_register(function($object) { >> echo 'an object of type '.get_class($object).' was constructed!'; >> }); >> $test = new Foo(); > > > would print: > > an object of type Foo was constructed! > > > One other area where this could help, is in event-driven systems, where > this sort of thing could be used for "co-construction". > > Of course, you could accomplish the same thing in a more controlled > fashion, by simply establishing conventions - for example, DI::inject(new > My Class()) would work just as well, it's just inconvenient to type; on the > other hand, it's explicit about what's happening. > > So I'm not at all demanding this feature - I'm merely posting this for > debate. > > Thanks, > Rasmus Schultz