What is PHP?

A Server Based Scripting Language usually used to display dynamic content on a web page. This could be data from a MySQL database or from another PHP file.

What does Browser Compatibility mean? What is a CMS? What does CSS mean? What is a domain name? What are HTML emails? What does HTML mean? What does web hosting name? What is JAVA? What is JavaScript? What is PHP? What are Rewrite Rules? What does web serving and hosting mean? What is a web server? What it a standards compliant web site? What is Web Usability? What is a web browser? What is a database?