Ready for your first taste of PHP? This section contains a few program listings and explanations of what they do. If you don't understand everything going on in each listing, don't worry! That's what the rest of the book is for. Read these listings to get a sense of what PHP programs look like and an outline of how they work. Don't sweat the details yet.
When given a program to run, the PHP interpreter pays attention only to the parts of the program between PHP start and end tags. Whatever's outside those tags is printed with no modification. This makes it easy to embed small bits of PHP in pages that mostly contain HTML. The PHP interpreter runs the commands between (the PHP end tag). PHP pages typically live in files whose names end in .php. Example 1-1 shows a page with one PHP command.
In your web browser, this looks like Figure 1-3.
Figure 1-3. Saying hello with PHP
Join Free Now : PHP Tutorial
