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7
Introduction
Part II,“Using MySQL,” discusses the concepts and design involved in using relational
database systems such as MySQL, using SQL, connecting your MySQL database to the
world with PHP, and advanced MySQL topics, such as security and optimization.
Part III,“E-commerce and Security,” covers some of the general issues involved in
developing an e-commerce site using any language.The most important of these issues is
security.We then discuss how you can use PHP and MySQL to authenticate your users
and securely gather, transmit, and store data.
Part IV, “Advanced PHP Techniques,” offers detailed coverage of some of the major
built-in functions in PHP.We have selected groups of functions that are likely to be use-
ful when building an e-commerce site.You will learn about interaction with the server,
interaction with the network, image generation, date and time manipulation, and session
variables.
Part V, “Building Practical PHP and MySQL Projects,” deals with practical real-world
issues such as managing large projects and debugging, and provides sample projects that
demonstrate the power and versatility of PHP and MySQL.
Finally
We hope you enjoy this book, and enjoy learning about PHP and MySQL as much as
we did when we first began using these products.They are really a pleasure to use. Soon,
you’ll be able to join the thousands of Web developers who use these robust, powerful
tools to easily build dynamic, real-time Web sites.
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I
Using PHP
1 PHP Crash Course
2 Storing and Retrieving Data
3 Using Arrays
4 String Manipulation and Regular Expressions
5 Reusing Code and Writing Functions