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Description of Sams Teach Yourself PHP, MySQL and Apache All in One

In just a short time, you can learn how to use PHP, MySQL, and Apache together to create dynamic, interactive websites and applications using the three leading open-source web development technologies. Using a straightforward, step-by-step approach, each lesson in this book builds on the previous ones, enabling you to learn the essentials of PHP scripting, MySQL databases, and the Apache web server from the ground up. Regardless of whether you run Linux, Windows, or Mac OS X, the enclosed CD includes a complete starter kit that lets you install all the software you need to set up a stable environment for learning, testing, and production. Learn how to!
* Install, configure, and set up the PHP scripting language, the MySQL database system, and the Apache Web server * Get these technologies to work together to create a dynamic, database-backed website * Interact with MySQL using PHP * Work with forms and files * Create a web-based discussion forum or mailing list * Add a storefront and shopping cart to your site * Optimize your MySQL databases * Fine-tune the Apache server's performance * Restrict access to your applications * Set up a secure web server CD-ROM Includes * A complete PHP, MySQL, and Apache starter kit for Windows(R), Linux(R), or Mac(R) OS X.

Title Information

ISBN:

9780672329760

Pages:

648 pages

Format:

Paperback and CD-Rom

Product Code:

264721

Publisher:

Pearson Education (US)

Published:

18/06/2008

Edition:

4th Revised edition

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About Julie Meloni

Julie C. Meloni is the technical director for i2i Interactive (http://www.i2ii.com), a multimedia company located in Los Altos, California. She has been developing web-based applications since the Web first saw the light of day and remembers the excitement surrounding the first GUI web browser. She has authored numerous books and articles on web-based programming languages and database topics, and you can find translations of her work in 15 different languages. She is also a fervent blogger and is the author of Sams Teach Yourself Blogging in a Snap. Most days, Julie can be found wandering the halls of Avery Hall on the campus of Washington State University, where she is a Ph.D. student in English who is quite interested in digital/social scholarship in the humanities.

Contents of Sams Teach Yourself PHP, MySQL and Apache All in One

Who Should Read This Book?
How This Book Is Organized
About the Book’s Source Code
Conventions Used in This Book

Part I: Getting Up and Running

1: Installation QuickStart Guide
Linux/UNIX Installation
Windows Installation
Mac OS X Installation
Troubleshooting

2: Installing and Configuring MySQL
Current and Future Versions of MySQL
How to Get MySQL
Installing MySQL on Linux/UNIX
Installing MySQL on Mac OS X
Installing MySQL on Windows
Troubleshooting Your Installation
Basic Security Guidelines
Introducing the MySQL Privilege System
Working with User Privileges
Summary
Q&A
Workshop

3: Installing and Configuring Apache
Current and Future Versions of Apache
Choosing the Appropriate Installation Method
Installing Apache on Linux/UNIX
Installing Apache on Mac OS X
Installing Apache on Windows
Apache Configuration File Structure
Apache Log Files
Apache-Related Commands
Starting Apache for the First Time
Troubleshooting
Summary
Q&A
Workshop

4: Installing and Configuring PHP
Current and Future Versions of PHP
Building PHP on Linux/UNIX with Apache
Installing PHP on Mac OS X
Installing PHP on Windows
php.ini Basics
Testing Your Installatio
Getting Installation Help
The Basics of PHP Script
Summary
Q&A.
Workshop

Part II: PHP Language Structure

5: The Building Blocks of PHP
Variables
Data Types
Operators and Expressions
Constant
Summary
Q&A
Workshop

6: Flow Control Functions in PHP
Switching Flow
Loops
Code Blocks and Browser Output
Summary
Q&A
Workshop

7: Working with Functions
What Is a Function?
Calling Functions
Defining a Function
Returning Values from User-Defined Functions
Variable Scope
Saving State Between Function Calls with the static Statement
More About Arguments
Testing for the Existence of a Function
Summary
Q&A
Workshop

8: Working with Arrays

What Are Arrays? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Creating Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 150

Some Array-Related Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156



9: Working with Objects 159

Creating an Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Object Inheritance. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167



Part III: Getting Involved with the Code



10: Working with Strings, Dates, and Time

Formatting Strings with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Investigating Strings in PHP . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . 180

Manipulating Strings with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Using Date and Time Functions in PHP. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 191

Other String, Date, and Time Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . 197

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198



11: Working with Forms

Creating a Simple Input Form. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . 201

Accessing Form Input with User-Defined Arrays . . . . . . . . . . . . .. . . . . . . . . . . . . . 203

Combining HTML and PHP Code on a Single Page . . . . . . . . . . . . . . . . 206

Using Hidden Fields to Save State. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Redirecting the User. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Sending Mail on Form Submission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Working with File Uploads . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 217

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221



12: Working with Cookies and User Sessions

Introducing Cookies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Setting a Cookie with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Deleting a Cookie with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 227

Session Function Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Starting a Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228

Working with Session Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Passing Session IDs in the Query String . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 233

Destroying Sessions and Unsetting Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

Using Sessions in an Environment with Registered Users . . . . . . . . . . . . . . . . . . . . . . . . . . 234

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236



13: Working with Files and Directories

Including Files with include() . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . 239

Validating Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

Creating and Deleting Files. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Opening a File for Writing, Reading, or Appending . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Reading from Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Writing or Appending to a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

Working with Directories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Opening Pipes to and from Processes Using popen() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Running Commands with exec() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Running Commands with system() or passthru() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266



14: Working with Images

Understanding the Image-Creation Process . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 269

Necessary Modifications to PHP . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . 270

Drawing a New Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Getting Fancy with Pie Charts . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . 275

Modifying Existing Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279

Image Creation from User Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Using Images Created by Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289



Part IV: PHP and MySQL Integration



15: Understanding the Database Design Process

The Importance of Good Database Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293

Types of Table Relationships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

Understanding Normalization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298

Following the Design Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303



16: Learning Basic SQL Commands

Learning the MySQL Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306

Learning the Table Creation Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

Using the INSERT Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310

Using the SELECT Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312

Using WHERE in Your Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315

Selecting from Multiple Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317

Using the UPDATE Command to Modify Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Using the REPLACE Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325

Using the DELETE Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

Frequently Used String Functions in MySQL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328

Using Date and Time Functions in MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350



17: Using Transactions and Stored Procedures in MySQL

What Are Transactions? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353

What Are Stored Procedures?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359



18: Interacting with MySQL Using PHP

MySQL Versus MySQLi Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361

Connecting to MySQL with PHP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361

Working with MySQL Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372



Part V: Basic Projects



19: Managing a Simple Mailing List

Developing the Subscription Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375

Developing the Mailing Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387



20: Creating an Online Address Book

Planning and Creating the Database Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389

Creating an Include File for Common Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392

Creating a Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393

Creating the Record Addition Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394

Viewing Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398

Creating the Record Deletion Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405

Adding Subentries to a Record. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413

Workshop . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413



21: Creating a Simple Discussion Forum

Designing the Database Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415

Creating an Include File for Common Functions . . . . . .. . . . . . . . . . . . . . . . . . . . 416

Creating the Input Forms and Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417

Displaying the Topic List . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421

Displaying the Posts in a Topic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424

Adding Posts to a Topic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431

Q&A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432



22: Creating an Online Storefront

Planning and Creating the Database Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433

Displaying Categories of Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437

Displaying Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441

Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444

Workshop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444



23: Creating a Shopping Cart Mechanism
Planning and Creating the Database Tables
Integrating the Cart with Your Storefront
Payment Methods and the Checkout Sequence
Summary.
Workshop

24: Creating a Simple Calendar
Building a Simple Display Calendar.
Creating a Calendar Library
Summary
Q&A
Workshop

25: Restricting Access to Your Applications
Authentication Overview
Apache Authentication Module Functionality
Using Apache for Access Control
Combining Apache Access Methods
Limiting Access Based on HTTP Methods
Restricting Access Based on Cookie Values.
Summary
Q&A
Workshop


26: Logging and Monitoring Web Server Activity
Standard Apache Access Logging
Standard Apache Error Logging.
Managing Apache Logs
Logging Custom Information to a Database
Summary.
Q&A.
Workshop

27: Application Localization
About Internationalization and Localization
About Character Sets
Environment Modifications
Creating a Localized Page Structure
Summary
Q&A
Workshop

28: Working with XML
What Is XML?
Accessing XML in PHP Using DOM Functions
Accessing XML in PHP Using SimpleXML Functions
Summary
Q&A
Workshop

Part VI: Administration and Fine-Tuning

29: Apache Performance Tuning and Virtual Hosting
Scalability Issues
Load Testing with ApacheBench
Proactive Performance Tuning
Preventing Abuse
Implementing Virtual Hosting
Summary
Q&A
Workshop

30: Setting Up a Secure Web Server
The Need for Security
The SSL Protocol
Obtaining and Installing SSL Tools
Managing Certificates
SSL Configuration
Summary
Q&A
Workshop

31: Optimizing and Tuning MySQL
Building an Optimized Platform
MySQL Startup Options
Optimizing Your Table Structure
Optimizing Your Queries
Using the FLUSH Command
Using the SHOW Command
Summary
Q&A
Workshop

32: Software Upgrades
Staying in the Loop
Upgrading MySQL
Upgrading Apache
Upgrading PHP
Summary
Workshop
Index