1.5 Chapter Summary
Chapter 1 covers:
PHP's usage by a web server to create a response or
document to send back to the browser.
PHP as a server-side language, meaning it runs on the web server.
What you sign up for when you decide to use PHP:
it's free (in terms of money and speech),
cross-platform, popular, and designed for web programming.
How PHP programs that print information, process forms, and talk to a
Some basics of the structure of PHP programs, such as the PHP start
and end tags (<?php and
?>), whitespace, case-sensitivity, and