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PHP 5 Unleashed
PHP 5 Unleashed
Table of Contents
Copyright
Lead Author
Contributing Authors
Acknowledgments
We Want to Hear from You!
Reader Services
Introduction
Organization of the Book
Part I. Working with PHP for General Web Development
Chapter 1. Basic PHP Development
How PHP Scripts Work
Basic PHP Syntax
Basic PHP Data Types
Variable Manipulation
Control Structures
User-Defined Functions
Dynamic Variables and Functions
Multiple File PHP Scripts
References
Strings in PHP
Comparing Strings
Advanced String Comparison
Search and Replacement
Formatting Strings
Strings and Locales
Formatting Date and Time Values
Summary
Chapter 2. Arrays
Basic Arrays
Implementing Arrays
More Array Materials
Chapter 3. Regular Expressions
The Basics of Regular Expressions
Limitations of the Basic Syntax
POSIX Regular Expressions
Perl-Compatible Regular Expressions (PCRE)
PCRE Modifiers
A Few Final Words
Chapter 4. Working with Forms in PHP
HTML Forms 101
Working with Form Submissions in PHP
Summary
Chapter 5. Advanced Form Techniques
Data Manipulation and Conversion
Form Data Integrity
Form Processing
Summary
Chapter 6. Persistent Data Using Sessions and Cookies
HTTP Cookies
PHP Sessions
Advanced Sessions
Summary
Chapter 7. Using Templates
The What and Why of Templates
The Smarty Template Engine
Summary
Part II. Advanced Web Development
Chapter 8. PEAR
What Is PEAR?
Getting and Installing PEAR
Using the PEAR Package Manager
Using the PEAR Website
Using PEAR Packages in Applications
Summary
Reference
Chapter 9. XSLT and Other XML Concerns
Relating XML to HTML
Using XSLT to Describe HTML Output Using XML Input
PHP4 and XSLT Using the DOM XML Module
PHP4 and XSLT Using the XSLT Module
PHP5 and XSLT
Accessing XML Data Using SimpleXML
Generating XML Documents Using PHP
Summary
References
Chapter 10. Debugging and Optimizations
Debugging Your PHP Scripts
Optimizing Your PHP Scripts
Summary
Chapter 11. User Authentication
Authenticating Users in PHP
Securing PHP Code
Summary
Chapter 12. Data Encryption
Shared Secret Versus Public Key
Shared Secret Algorithms
Public Key Cryptography
Using Public Keys in PHP
Summary
Chapter 13. Object-Oriented Programming in PHP
Why Objects?
Creating Basic Classes
Advanced Classes
Special Methods
Class Autoloading
Object Serialization
Exceptions
Iterators
Summary
Chapter 14. Error Handling
The PHP Error-Handling Model
What to Do About Errors
The Default Error Handler
Error Suppression
Custom Error Handlers
Causing Errors
Putting It All Together
Summary
Chapter 15. Working with HTML/XHTML Using Tidy
Introduction
Basic Tidy Usage
Tidy Configuration Options
Using the Tidy Parser
Applications of Tidy
Summary
Chapter 16. Writing Email in PHP
The MIME Protocol
Implementing MIME Email in PHP
Summary
Part III. Building Applications in PHP
Chapter 17. Using PHP for Console Scripting
Core CLI Differences
Working with PHP CLI
CLI Tools and Extensions
Summary
Chapter 18. SOAP and PHP
What Are Web Services?
Installation
Creating Web Services
Consuming Web Services
Looking for Web Services
Summary
Chapter 19. Building WAP-Enabled Websites
What Is WAP?
System Requirements
Introduction to WML
Serving WAP Content
Sample Applications
Summary
Part IV. I/O, System Calls, and PHP
Chapter 20. Working with the File System
Working with Files in PHP
File Permissions
File Access Support Functions
Summary
Chapter 21. Network I/O
DNS/Reverse DNS Lookups
Socket Programming
Network Helper Functions
Summary
Chapter 22. Accessing the Underlying OS from PHP
Introduction
Unix-Specific OS Functionality
Platform-Independent System Functions
A Brief Note About Security
Summary
Part V. Working with Data in PHP
Chapter 23. Introduction to Databases
Using the MySQL Client
Basic MySQL Usage
Summary
Chapter 24. Using MySQL with PHP
Performing Queries from PHP
A MySQLi Session Handler
What Is a Custom Session Handler?
Summary
Chapter 25. Using SQLite with PHP
What Makes SQLite Unique?
Basic SQLite Functionality
Working with PHP UDFs in SQLite
Odds and Ends
Summary
Chapter 26. PHP's dba Functions
Preparations and Settings
Creating a File-Based Database
Writing Data
Reading Data
Sample Application
Conclusion
Part VI. Graphical Output with PHP
Chapter 27. Working with Images
Basic Image Creation Using GD
Using the PHP/GD Drawing Functions
Working with Colors and Brushes
Using Fonts and Printing Strings
General Image Manipulation
Other Graphics Functions
Summary
Chapter 28. Printable Document Generation
A Note Regarding the Examples in This Chapter
Generating Dynamic RTF Documents
Generating Dynamic PDF Documents
Related Resources
Part VII. Appendixes
Appendix A. Installing PHP5 and MySQL
Installing PHP5
Installing MySQL and PHP Modules
Installing PEAR
Appendix B. HTTP Reference
What Is HTTP?
PHP Programming Libraries for HTTP Work
Understanding an HTTP Transaction
HTTP Client Methods
What Comes Back: Server Response Codes
HTTP Headers
Encoding
Identifying Clients and Servers
The "Referer"
Fetching Content from an HTTP Source
Media Types
Cookies: Preserving State and a Tasty Treat
Security and Authorization
Client-Side Caching of HTTP Content
Appendix C. Migrating Applications from PHP4 to PHP5
Configuration
Object-Oriented Programming (OOP)
New Behavior of Functions
Further Reading
Appendix D. Good Programming Techniques and Performance Issues
Common Style Mistakes
Common Security Concerns
Style and SecurityLogging
Summary
Appendix E. Resources and Mailing Lists
Relevant Websites
Mailing Lists and Newsgroups
Index
SYMBOL
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

Reference

Very little has been published in print form that is solely about PEAR. However, a plethora of PEAR information is freely available online. A search on "PEAR PHP" returns a myriad of results. Following are a few of the official or more popular places to look for information.

Mailing Lists/Newsgroups

The PEAR project hosts several mailing lists, each with a specific purpose and topic. However, only two lists are of importance to those with general questions about using PEAR or the development of packages. Each of the lists may be accessed either through email (as an electronic mailing list) or through a newsgroup interface (via news://news.php.net/).

  • pear-general@lists.php.net (php.pear.general) Discusses general topics related to PEAR. This is the mailing list all users should use when asking a question about installation issues or the use of a package.

  • pear-dev@lists.php.net (php.pear.dev) This list is specifically for discussion among PEAR package developers. However, it is often a good read even for those who do not develop for PEAR, because it provides insights into the direction of packages, as well as information on package proposals.

WWW

Some resources available on the World Wide Web are the following:

  • http://pear.php.net/ Discussed earlier in this chapter, the PEAR website is the official home of PEAR. From documentation to package statistics to tutorial links, this site is a vital resource for anyone interested in PEAR.

  • http://pear.php.net/manual/ This is the PEAR manual. Although not inclusive of every package included in the repository, this manual is an excellent resource to PEAR users, and it must be mentioned that those on the pear-general mailing list will often point users to the manual before answering a question. Look here first, then ask.

  • http://pear.php.net/manual/en/guide-newmaint.php The New Maintainers' Guide was recently added to the PEAR manual and is the place to start if developing a package for PEAR.

  • http://www.zend.com/zend/pear/ The PEAR/PECL Weekly Summaries offered by Zend provides detailed information each week on developments in the PEAR and PECL communities, including a listing of package releases.

  • http://www.phpbarnstormer.com/ The PHPBarnstormer provides an alternative/supplement to Zend's PEAR/PECL Weekly Summaries. Written by Aaron Wormus for International PHP Magazine, the Barnstormer delivers a weekly summary of activity in and around PHP, PEAR, and PECL.

Other

Another valuable resource is the chat room, where questions can be asked and answered in real-time. The PEAR website names such a resource on the Eris Free network (EFnet) for Internet Relay Chat (IRC). In the #pear IRC channel on EFnet, many of the leading package maintainers and PEAR Group members are available to offer help and assistance. Other IRC networks also have similar #pear channels.