I worked in big environments as well as in small companies.  Management doesn’t care about code quality. They want it, but don’t really care about it. They care about respecting deadlines. There is nothing more to stay.
For once I want to see a client flexible (and with budget generous) enough  to trust a development team [...]

I am a pretty lazy guy and therefore I want to do all things with as little trouble as possible. Usually , I don’t plan a certain methodology for my projects, instead , I use an organic approach. If things are needed, they will be added to my ‘methodology’.
One of the most important issues [...]

In my previous post I  gave some examples on  how caching can evolve.   However , what annoys  me in the  second and third approach is that I have some extra code and  dependencies  which are not really related to my class.  The examples bellow detail how you can use a decorator to cache another class.

class [...]

No talking . Just examples
class Foo
{
private static $_bar = null;

private function getBar()
{
if ( null == self::$_bar) {
//very expensive operation
[...]