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PHP PROGRAMMING WITH MYSQL

PHP PROGRAMMING

WITH MYSQL

D O N G O S S E L I N , D I A N A K O K O S K A ,

R O B E R T E A S T E R B R O O K S

Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States

S E C O N D E D I T I O N

; COURSE TECHNOLOGY *« CENGAGE Learning"

© 2011 Course Technology, Cengage Learning

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Library of Congress Control Number: 2009940005

ISBN-13: 978-0-5387-4584-0 ISBN-10: 0-5387-4584-3

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PHP Programming with MySQL, Second Edition Don Gosselin, Diana Kokoska, Robert Easterbrooks

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* COURSE TECHNOLOGY CENGAGE Learning"

Brief Contents

Preface . . . . . . . . . . . . . . . . . xiv

CHAPTER 1 Gett ing Star ted wi th PHP . . . . . . . . . . 1

CHAPTER 2 Funct ions and Contro l Structures . . . . . . 74

CHAPTER 3 Manipulat ing Str ings . . . . . . . . . . . 124

CHAPTER 4 Handl ing User Input . . . . . . . . . . . 188

CHAPTER 5 Work ing wi th F i les and Director ies . . . . . 233

CHAPTER 6 Manipulat ing Arrays . . . . . . . . . . . 298

CHAPTER 7 Work ing wi th Databases and MySQL . . . . 380

CHAPTER 8 Manipulat ing MySQL Databases with PHP . . 446

CHAPTER 9 Managing State Informat ion . . . . . . . . 496

CHAPTER 10 Developing Object -Or iented PHP . . . . . . 556

APPENDIX A Work ing wi th XHTML . . . . . . . . . . . 620

APPENDIX B Conf igur ing a Personal Web Server . . . . 636

APPENDIX C Formatt ing Str ings. . . . . . . . . . . . 641

APPENDIX D Secure Coding with PHP . . . . . . . . . 648

APPENDIX E Error Handl ing and Debugging. . . . . . . 655

APPENDIX F Connect ing to SQL Server and Oracle Databases . . . . . . . . . . 671

Index . . . . . . . . . . . . . . . . . 679

v

Contents

Preface . . . . . . . . . . . . . . . . . xiv

CHAPTER 1 Gett ing Star ted wi th PHP . . . . . . . . . . 1

Creating Basic PHP Scripts . . . . . . . . . . . . . . . . . 2 Creating PHP Code Blocks . . . . . . . . . . . . . . . . . 3

Standard PHP Script Delimiters . . . . . . . . . . . . . . 3 The

� e following example contains the same echo statement you saw with the standard PHP script delimiters, but this time the statement is contained within a PHP

6

C H A P T E R 1 Getting Started with PHP

-Inlxl)PHP Code Blocks - Mozilla Firefox File Edit View History Bookmarks Tools Help

- GJ jj |L] | http://student200.ucb.sephone.us/PHP_Projects/Chapter.01/Chapter/PHPCodeBlocks.phfÿÿÿ""’"

This text is displayed using standard PHP script delimiters

| Done

Like the standard PHP script delimiters, the

3. Add the following echo statement (shown in bold) between the script delimiters:

4. Save the PHPCodeBlocks.php document, upload it to the Web server, and then open it from your Web server. Your Web browser should appear similar to Figure 1-2.

Figure 1-2 Output of a PHP script after adding a PHP script section

5. Close your Web browser window.

7

Creating PHP Code Blocks

-Inlxl)PHP Code Blocks - Mozilla Firefox File Edit View History Bookmarks Tools Help

* C? ju |G |http://student200.ucb.sephone.us/PHP_Projects/Chapter.01/Chapter/PHPCodeBlocks.php *

This text is displayed using standard PHP script delimiters

This text is displayedusing a PHP script section.

| Done

Short PHP Script Delimiters A simplifi ed method of writing PHP code declaration blocks is to use the short script delimiters. Short PHP script delimiters are similar to standard PHP script delimiters, except they do not include ‘php’ in the opening delimiter. � e syntax for short PHP script delim- iters is as follows:

� e following example shows how to use short delimiters with the echo statement you saw earlier:

Unlike the script delimiters and the