Easy XML and RSS integration in PHP

This post shows how to get XML and/or RSS data from external sites to our site using PHP.
Using this method we could integrate various PHP based CMS's like Drupal, Joomla, Wordpress with external XML feeds.

Getting external RSS feeds

Now consider for example, that you want to get the first two news items from the BBC RSS news feed.
You can do this very easily and quickly using the following piece of code:

Drupal 7 minor version upgrade

Steps for upgrading 7.x version of Drupal to any later 7.x version

Preupgrade steps

1. Make a full backup of all files, directories, and your database(s) before starting, and save it outside your Drupal installation directory. Instructions may be found at http://drupal.org/upgrade/backing-up-the-db
2. It is wise to try an update or upgrade on a test copy of your site before applying it to your live site. Even minor updates can cause your site's behavior to change.