Orientação de Objetos (oo)
Well, as my ideas of doing something very easy using the Objects Orientation in php to people who are starting now didn't work when i used the sql, i've decided to create this new tutorial based in a friend's doubt.
The idea is to compare two variables A and B to see if they are equal or not :D
We're going to create a class that will have our methods.
File Letter.class.php - the name has to be with capital letter and the .class.php