The problem:
When your php application became larger, you might find yourself in the situation where you don’t know where to change the design of a certain page, or you might have to change in multiple places to get the same results.
For example, if you want to implement a comments system in your application, you could [...]
Archive for the ‘Tutorials’ Category
Design patterns Part IV – MVC
Design Pattern Part III – Observer
The problem:
Well, this is my favorite. Why? Because get you free of a lot of responsabilities. Let me explain: suppose you have an online newspaper website and for publishing an article you must follow these steps:
1. write the article
2. insert the article in the proper table in your database
3. delete the cache (an necessary operation for the article [...]
Design Patterns Part II – Factory
The problem:
We need a method that could generate us different “products” based on different conditions or, why not, depending on the context. If we didn’t know about design patterns we would solve this by creating an endless if then else set of conditions. I know, this is the fastest solution that comes into your head, [...]
Design patterns Part I – Singleton
Procedural vs object- oriented
One core difference between object-oriented and procedural code can be found in the way that responsibility is distributed. Procedural code takes the form of a sequential series of commands and method calls. The controlling code tends to take responsibility for handling differing conditions. This top-down control can result in the development of [...]