Polyteknisk Boghandel

Quickly master dynamic, database-driven Web developmentno experience necessary!

Even if youre completely new to PHP, MySQL, and Web database development, this book will guide you through every step of building powerful, database-driven, dynamic Web sites. Direct from the worlds top scripting instructor, Ellie Quigley, PHP and MySQL by Example illuminates every concept with tested code examples, screen shots showing program output, and clear, line-by-line explanations.

Classroom-tested in Ellie Quigleys Silicon Valley training courses and at Marko Gargentas Marakana training company in San Francisco, this book takes you from the simplest PHP scripting and SQL querying techniques all the way to dynamic, database driven Web site construction with PHP and MySQL. From simple fill-in forms to program security and debugging, its the only PHP/MySQL book youll ever need!

This book covers

* Complete PHP fundamentals, including operators, strings, conditionals, loops, arrays, functions, and more
* PHP QuickStart for more advanced readersmakes you productive with PHP in the space of just fifteen book pages
* Essential Web development techniques, from file handling to validating user input with regular expressions
* Powerful PHP features, including user-defined functions and self-processing PHP Forms
* Day-to-day MySQL administration
* A complete SQL tutorial for creating queries, retrieving data, and writing data with MySQL
* Session management and cookies
* Object Oriented PHP
* Best practices for using PHP and MySQL together

Nearly 100,000 professionals and power users have relied on Ellie Quigleys books to master scripting languages. With PHP and MySQL by Example, you can, too. And once youve become an expert, youll turn to this book constantly as your go-to source for reliable answers, solutions, and code.

Preface
xxiii Acknowledgments
xxiv
Chapter 1: Introduction
1
1.
1 From Static to Dynamic Web Sites 1
1.
2 About PHP 4
1.
3 About MySQL 7
1.
4 Chapter Summary 11
Chapter 2: Getting Started 13
2.
1 The Life Cycle of a Web Page 13
2.
2 The Anatomy of a PHP Script 15
2.
3 Some Things to Consider 21
2.
4 Review 31
2.
5 Chapter Summary 37
Chapter 2 Lab 38
Chapter 3: PHP Quick Start 41
3.
1 Quick Start, Quick Reference 41
3.
2 Chapter Summary 57
Chapter 4: The Building Blocks: Data Types, Literals, Variables, and Constants 59
4.
1 Data Types 59
4.
2 Variables 70
4.
3 Constants 99
4.
4 Chapter Summary 104
Chapter 4 Lab 105
Chapter 5: Operators 107
5.
1 About PHP Operators and Expressions 107
5.
2 Chapter Summary 145
Chapter 5 Lab 146
Chapter 6: Strings 149
6.
1 What Is a String? 149
6.
2 String Functions 155
6.
3 Other String Functions 214
6.
4 Chapter Summary 218
Chapter 6 Lab 219
Chapter 7: Conditionals and Loops 221
7.
1 Control Structures, Blocks, and Compound Statements 221
7.
2 Loops 232
7.
3 Chapter Summary 243
Chapter 7 Lab 244
Chapter 8: Arrays 247
8.
1 What Is an Array? 247
8.
2 Modifying Arrays (Unsetting, Deleting, Adding, and Changing Elements) 310
8.
3 Chapter Summary 335
Chapter 8 Lab 336
Chapter 9: User-Defined Functions 337
9.
1 What Is a Function? 337
9.
2 Chapter Summary 376
Chapter 9 Lab 377
Chapter 10: More on PHP Forms 379
10.
1 Introduction
379
10.
2 Review of HTML Forms 379
10.
3 PHP and Forms 390
10.
4 Chapter Summary 438
Chapter 10 Lab 439
Chapter 11: Files and Directories 441
11.
1 Files 441
11.
2 The Web Server, PHP, and Permissions 446
11.
3 Directories 483
11.
4 Managing Content with Include Files 487
11.
5 Chapter Summary 494
Chapter 12: Regular Expressions and Pattern Matching 497
12.
1 What Is a Regular Expression? 497
12.
2 Pattern-Matching Functions 499
12.
3 Chapter Summary 565
Chapter 12 Lab 566
Chapter 13: Introduction to MySQL 567
13.
1 About Databases 567
13.
2 The Anatomy of a Relational Database 570
13.
3 Connecting to the Database 575
13.
4 The MySQL Privilege System 582
13.
5 Chapter Summary 593
Chapter 14: SQL Language Tutorial 595
14.
1 What Is SQL? 595
14.
2 SQL Data Manipulation Language (DML) 603
14.
3 SQL Data Definition Language 620
14.
4 SQL Functions 633
14.
5 Chapter Summary 642
Chapter 14 Lab 643
Chapter 15: PHP and MySQL Integration 647
15.
1 Introduction
647
15.
2 The Guest Book Example 663
15.
3 Chapter Summary 671
Chapter 15 Lab 671
Chapter 16: Cookies and Sessions 673
16.
1 What Is Stateless? 673
16.
2 What Are Cookies? 673
16.
3 PHP and Cookies 677
16.
4 What Is a Session? 694
16.
5 Chapter Summary 736
Chapter 16 Lab 738
Chapter 17: Objects 739
17.
1 What Are Objects? 739
17.
2 Working with Classes 741
17.
3 Some PHP 5 Object Features 772
17.
4 Chapter Summary 780
Chapter 17 Lab 781
Appendix A: Building an Art Gallery 783 A.
1 Project Overview 783 A.
2 The Public and the Private 783 A.
3 Creating the Web Site 785 A.
4 Installing the Art Gallery 805 A.
5 Conclusion 808
Appendix B: PHP and E-Mail 809 B.
1 The Mail Server 809 B.
2 MIME (Multipurpose Internet Mail Extensions) 810 B.
3 Runtime Configuration Options 810 B.
4 The mail() Function 811 B.
5 Sending a Simple E-Mail Message 811 B.
6 Example: Sending an HTML Message 813
Appendix C: PHP and Date/Time 819 C.
1 Formatting Dates and Times 819 C.
2 Getting the Timestamp 824 C.
3 Getting t