PHP is the language behind 80% of websites, and is the core language for WordPress, Joomla, and Drupal.
PHP Academy offers hundreds of free videos to help you learn web development, with an optional premium membership to get even more out of your learning.
Learn PHP course
An introduction to various parts of PHP. After this series, you’ll understand the basics of the language and how to move forward and start working on your PHP application!
I used this code in the index.php file in the root directory to redirect to WordPress instance located in a sub-directory.
<meta HTTP-EQUIV="REFRESH" content="0; url=http://ramonalapsley.com/wordpress/