how declare variable inside constructor?

[eluser]Syed Wasti[/eluser]
[quote author="Dam1an" date="1251893648"]You've been told to use code tags so many times now!
Look into using $this, it works in the scope of a class instead of just a function. I'll let you actually read up on this and figure something out for yourself

Oh, and one last thing, you seem to be asking "will this work" in a lot of your posts. Why not try it and find our, and then read up on it to understand why[/quote]

This is definitely not a way to respond on a forum.
Secondly, there is is very little or incomplete information regarding CI constructs and concepts in the documentation.

Do not be loose while commenting on my post.