Basic Syntax
As I mentioned in the book’s introduction, PHP is an HTML-embedded scripting language. What HTML-embedded means is that you can intermingle PHP and HTML code within the same script.
To begin programming with PHP, start with a simple Web page. Script 1.1 gives an example of a no-frills XHTML Transitional document, which I’ll be using as the foundation for every Web page in the book (see Appendix C, “Resources,” for information on XHTML).
Script 1.1. A basic XHTML 1.0 Transitional Web document.
To place PHP code within this document, you surround the code with PHP tags, either the formal and preferred
<?php ?>
or the informal
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