Web database applications with PHP & MySQL

There are many reasons for serving up dynamic content from a web site: to offer an online shopping site, create customized information pages for users, or just manage a large volume of content through a database. Anyone with a modest knowledge of HTML and web site management can learn to create dynamic content through the PHP programming language and the MySQL database. This book gives you the background and tools to do the job safely and reliably. Web Database Applications with PHP and MySQL , Second Edition thoroughly reflects the needs of real-world applications. It goes into detail on such practical issues as validating input (do you know what a proper credit card number looks like?), logging in users, and using templatesto give your dynamic web pages a standard look.But this book goes even further. It shows how JavaScript and PHP can be used in tandem to make a user's experience faster and more pleasant. It shows the correct way to handle errors in user input so that a site looks professional. It introduces the vast collection of powerful tools available in the PEAR repository and shows how to use some of the most popular tools.Even while it serves as an introduction to new programmers, the book does not omit critical tasks that web sites require. For instance, every site that allows updates must handle the possibility of multiple users accessing data at the same time. This book explains how to solve the problem in detail with locking.Through a sophisticated sample application--Hugh and Dave's Wine Store--all the important techniques of dynamic content are introduced. Good design is emphasized, such as dividing logic from presentation. The book introduces PHP 5 and MySQL 4.1 features, while providing techniques that can be used on older versions of the software that are still in widespread use.This new edition has been redesigned around the rich offerings of PEAR. Several of these, including the Template package and the database-independent query API, are fully integrated into examples and thoroughly described in the text. Topics include:

Installation and configuration of Apache, MySQL, and PHP on Unix®, Windows®, and Mac OS® X systems Introductions to PHP, SQL, and MySQL administration Session management, including the use of a custom database for improved efficiency User input validation, security, and authentication The PEAR repository, plus details on the use of PEAR DB and Template classes Production of PDF reports

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MySQL and PHP are perennially popular open-source companions for creating database-driven web sites. These guides cover MySQL, as well as its use with PHP and other languages. Web Database Applications goes beyond teaching particular functions to provide a general background in web database development, then describes how and why to use PHP and MySQL to accomplish the tasks described. Extensive appendixes cover the software's installment on multiple platforms, web protocols, a relational database case study, and other useful additions, while code samples are available online. Recommended for larger libraries. High Performance addresses intermediate to advanced users, walking them through ways to improve the reliability, scalability, and performance of larger MySQL applications. This nicely organized guide eschews how-to basics to address how MySQL works and provides real-world examples whenever possible. Explanations are clear and thorough, and the text supplies links to and explanations of several useful downloadable tools (some written by the authors). Highly recommended for medium and larger libraries. Complete Reference tries to be all things to all people, covering topics from an introduction to relational databases and installing and configuring MySQL to reference material for administrators, but is most appropriate for new and intermediate users. Sidebars and notes add info and link to additional resources, while a welcome thoroughness and clarity make this a good, basic purchase for all libraries. (c) Copyright 2010. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted. All rights reserved.

Inhaltsverzeichnis

Preface	p. ix
1. Database Applications and the Web	p. 1
The Web	p. 2
Three-Tier Architectures	p. 3
2. The PHP Scripting Language	p. 16
Introducing PHP	p. 16
Conditions and Branches	p. 28
Loops	p. 33
Functions	p. 36
Working with Types	p. 37
User-Defined Functions	p. 43
A Working Example	p. 53
3. Arrays, Strings, and Advanced Data Manipulation in PHP	p. 57
Arrays	p. 57
Strings	p. 76
Regular Expressions	p. 87
Dates and Times	p. 97
Integers and Floats	p. 103
4. Introduction to Object-Oriented Programming with PHP 5	p. 108
Classes and Objects	p. 108
Inheritance	p. 124
Throwing and Catching Exceptions	p. 131
5. SQL and MySQL	p. 134
Database Basics	p. 135
MySQL Command Interpreter	p. 140
Managing Databases and Tables	p. 142
Inserting, Updating, and Deleting Data	p. 148
Querying with SQL Select	p. 152
Join Queries	p. 160
Case Study: Adding a New Wine	p. 168
6. Querying Web Databases	p. 171
Querying a MySQL Database Using PHP	p. 172
Processing User Input	p. 188
MySQL Function Reference	p. 208
7. Pear	p. 219
Overview	p. 219
Core Components	p. 220
Packages	p. 230
8. Writing to Web Databases	p. 251
Database Inserts, Updates, and Deletes	p. 251
Issues in Writing Data to Databases	p. 270
9. Validation with PHP and JavaScript	p. 285
Validation and Error Reporting Principles	p. 285
Server-Side Validation with PHP	p. 287
JavaScript and Client-Side Validation	p. 307
10. Sessions	p. 338
Introducing Session Management	p. 339
PHP Session Management	p. 340
Case Study: Using Sessions in Validation	p. 347
When to Use Sessions	p. 357
PHP Session API and Configuration	p. 360
11. Authentication and Security	p. 369
HTTP Authentication	p. 369
HTTP Authentication with PHP	p. 373
Form-Based Authentication	p. 385
Protecting Data on the Web	p. 397
12. Errors, Debugging, and Deployment	p. 402
Errors	p. 402
Common Programming Errors	p. 407
Custom Error Handlers	p. 412
13. Reporting	p. 422
Creating a Report	p. 422
Producing PDF	p. 427
PDF-PHP Reference	p. 440
14. Advanced Features of Object-Oriented Programming in PHP 5	p. 457
Working with Class Hierarchies	p. 457
Class Type Hints	p. 462
Abstract Classes and Interfaces	p. 462
Freight Calculator Example	p. 469
15. Advanced SQL	p. 479
Exploring with SHOW	p. 480
Advanced Querying	p. 481
Manipulating Data and Databases	p. 497
Functions	p. 505
Automating Querying	p. 513
Table Types	p. 516
Backup and Recovery	p. 522
Managing Users and Privileges	p. 527
Tuning MySQL	p. 532
16. Hugh and Dave's Online Wines: A Case Study	p. 541
Functional and System Requirements	p. 542
Application Overview	p. 544
Common Components	p. 551
17. Managing Customers	p. 583
Code Overview	p. 584
Customer Validation	p. 587
The Customer Form	p. 591
18. The Shopping Cart	p. 596
Code Overview	p. 597
The Winestore Home Page	p. 598
The Shopping Cart Implementation	p. 604
19. Ordering and Shipping at the Online Winestore	p. 618
Code Overview	p. 618
Credit Card and Shipping Instructions	p. 620
Finalizing Orders	p. 624
HTML and Email Receipts	p. 630
20. Searching and Authentication in the Online Winestore	p. 642
Code Overview	p. 643
Searching and Browsing	p. 648
Authentication	p. 658
A. Linux Installation Guide	p. 667
B. Microsoft Windows Installation Guide	p. 688
C. Mac OS X Installation Guide	p. 698
D. Web Protocols	p. 714
E. Modeling and Designing Relational Databases	p. 726
F. Managing Sessions in the Database Tier	p. 746
G. Resources	p. 761
H. The Improved MySQL Library	p. 766
Index	p. 779

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