But the problem is, most of the time I'm forced to look at how to do something. Like I go to a tutorial and see how to do it. I don't know how to find an alternative method.
Creating a forum script is not a very hard task at all. it's just complex and made from the complex arrangement of simple things. don't be crazy when doing this. you may need some patience, time and an understanding that help you to consider real things as program objects. A ocean is made from small rain drops so first understand how could you work with these rain drops.
