Scheduled Tasks

Information Systems often have tasks that should be done by schedule. This feature usually is needed because two reasons:

1. because the task needs to be called at a specific moment;
2. because the task is too long and it is impractible to take the user waiting while the task does not finish.

Data Warehouse

Data Warehouse is a computer system that keeps organization data. Since sectors names until operational data. For example, in a university system, the data warehouse provides classes informations (avaliations, students, professors), it is the operational level of any university.

Metaprogramming in PHP

With PHP, you can implement a code of a software that can create another code. It is simple, because a PHP script is a text file.

Although, the language allows you to create a script that modify its own behavior at execution time. It can be useful to optimize stretch of code. This feature is based on "eval" PHP function.