Why use interfaces in PHP (OOP)

Posted on 16th Feb 2014 07:03 pm by admin

I am learning OOP in PHP and its been a pretty good learning experience so far. What I didn't understand at all is interfaces. I understand the implications of multiple inheritance, and interface is used just to solve that. But what's the use?
If we have to define the function in derived class why use interface, why not directly declare and define it inside the derived class?
Am I missing something or is it really useless?

Your Answer:

Login to answer

Other forums

Adding Different Numbers From MySQL
Basically I have a mysql database with a couple prices as the following:

9.99
9.99
9.99

newbie question
Hi out thereIm totaly new in this forum and to .net and vb so here is a totaly newbie question.I wan

php wont update my db
hello,

sorry for posting in mysql forum but i dont know where exactly is the problem but here

IP Logger for Voting Script
Can anybody help me place an IP logger into my voting script?
I know that maybe it is not as secu

private constructor
Hello,

Can we create a constructor as private? If yes, what is the use of it? If no, why can'