1. Introduction to PHP Part 1
Chapter 1
Introduction to PHP
Part 1

2. Textbook’s Code http://www.larryullman.com/ DOWNLOADS
PHP and MySQL for Dynamic Web Sites
Complete Set of Scripts and Commands

3. second.php Script 1.3 on page 7
ch01\second.php

4. echo
echo ‘Hello, world!’; echo “What’s new?”; print ‘Hello, world!’; print “What’s new?”; echo “She said \”How are you?\””;

5. comments.php Script 1.4 on page 11
ch01\comments.php

6. predefined.php Script 1.5 on page 15
ch01\predefined.php

7. variables
Starts with a $
$amount

8. Variable types Boolean (TRUE or FALSE) Integer Floating point String
Resource (used with databases)
NULL (has no value)

9. Assignment #2 Do $_SERVER[‘SERVER_NAME’]