User input validation is one of the oldest and most frequently occurring problems in computer programming. It crops up regardless of programming language and at almost every project. If not dealt with skillfully, in particular when larger amount of user input is involved, it ...

The other day I coded a sort of game in PHP programming language. One of it's features is a final score pop-up message, which consists of three parts. They are a number, a percent and a few words of a humoristic player performance feeback. The feedback is based upon the ...

Traversing an array starting from the middle item in it is in many ways similar to traversing it from the beginning or the end. One small catch is such that, the middle item, or to be more accurate, the middle index of the array, has to be found before the rest of job can be ...

Square pyramidal numbers and implementing them in PHP Imagine a couple of boxes standing on a table. In each of these boxes there is one or more balls. Boxes are sorted according to the number of balls they contain. When you look into these boxes, you notice, that in the first ...