Now we will go through this line by line. The first line has a less than sign and a question mark symbol followed by php. This tells the web server that we are wanting to run a php script, and not some other script. At the end of the document we close the open php tag so the web server knows we are at the end of the script.
The second line tells the web server to echo or in other words 'show the user some data'. Included in the single quotes is the text that the web server is going to display to the browser.
Lastly we must end every statement with a semicolon. More to come so stay tuned!