15 PHP regular expressions for web developers. Getting started with regular expressions For many beginners, regular expressions seems to be hard to learn and use.
In fact, they’re far less hard than you may think. Before we dive deep inside regexp with useful and reusable codes, let’s quickly see the basics: Working with Sessions and Cookies in PHP and MYSQL. Security is an essential component for any site to be successful.
However, adding security can increase overhead and annoy your users if not done properly. In this tutorial, I will discuss common problems that are encountered when using sessions and cookies.