PHP daemons: how do you make one?

PHP is often associated with HTML code generation, but it can also be used as a background application for handling and analysing data and for operations like database clean up, email and messages retrieval and statistical data analysis. How do these kind of scripts work and how do you make one?
Foreach loop

Foreach loops in PHP: 6 facts you should know

Loop control structures are used all the time, so it is important not to make mistakes when using them. In today’s post I show you 6 facts that every PHP developer should know about foreach loops.

How to create XML documents from scratch with PHP

PHP has some different tools for dealing with XML files. In this post we will see how to create a new XML document from scratch using three different PHP extensions: SimpleXML, XMLWriter and DOM. Which one is best for you?