Upgrading to PHP 5

This new book is targeted toward experienced PHP developers who are already familiar with PHP 4. Rather than serve as a definitive guide to the entire language, the book zeroes in on PHP 5's new features, and covers these features definitively. You'll find a concise appraisal of the differences between PHP 4 and PHP 5, a detailed look at what's new in this latest version, and you'll see how these changes affect your work. Then, because Upgrading to PHP 5 is written for experienced PHP programmers, you can go directly to more advanced features and gain hands-on experienced using the short, sample programs that are included throughout the book.

Adam Trachtenberg
Adam Trachtenberg has an MBA from Columbia Business School. At business school, he focused on general management and operations, with an emphasis on the field of technology. Adam also has a BA from Columbia University. As an undergraduate, he majored in mathematics and his other studies included computer science and Chinese. Before returning to school, he co-founded and served as Vice President for Development at two companies, Student.Com and TVGrid.Com. At both firms, he led the front- and middle-end web site design and development, worked on corporate planning and strategy, and served as liaison between the product and marketing teams. During study breaks, Adam enjoys playing squash, reading fiction, and eating in New York City's many wonderful restaurants. He wishes he was a better at playing pool, knew the constellations, and was handy around the house.

Preface

xi

Introduction

1

(7)

Why PHP 5?

2

(1)

What's New in PHP 5?

3

(4)

Installing and Configuring PHP 5

7

(1)

Object-Oriented Programing

8

(39)

What Is Object-Oriented Programming?

9

(6)

Memory Management

15

(3)

Basic Classes

18

(7)

Class Intermediates

25

(4)

Inheritance

29

(8)

Magical Methods

37

(10)

MySQL

47

(45)

Installing and Configuring

49

(1)

Procedural Interface

50

(1)

Before and After: Connecting to the Database Server

51

(3)

Object-Oriented Interface

54

(1)

Before and After: Querying and Retrieving Data with Prepared Statements

55

(10)

Before and After: Subselects

65

(6)

Transactions

71

(4)

Before and After: Making Multiple Queries

75

(5)

Securing Connections with SSL

80

(2)

Porting Code and Migrating Databases

82

(10)

SQLite

92

(22)

SQLite Basics

93

(3)

Alternate SQLite Result Types

96

(1)

Object-Oriented Interface

97

(2)

Indexes, Error Handling, and In-Memory Tables

99

(5)

Transactions

104

(2)

User-Defined Functions

106

(8)

XML

114

(41)

XML Extensions in PHP 5

114

(3)

Installing XML and XSLT Support

117

(2)

DOM

119

(7)

SimpleXML

126

(2)

Converting Between SimpleXML and DOM Objects

128

(1)

Before and After: Reading XML into a Tree

129

(6)

Before and After: Searching XML with XPath

135

(7)

Reading XML as Events with SAX

142

(1)

Before and After: Creating New XML Documents

143

(4)

Before and After: Transforming XML with XSLT

147

(6)

Validating Against a Schema

153

(2)

Iterators and SPL

155

(29)

Before and After: Using Iterators

158

(2)

Implementing the Iterator Interface

160

(3)

MySQL Query Iterator

163

(3)

Chaining Iterators

166

(3)

SimpleXML Iterator

169

(1)

Before and After: Recursive Directory Iteration

170

(4)

Implementing the Recursivelterator Interface

174

(2)

Array and Object Property Iteration

176

(1)

Redefining Class Iteration

177

(5)

Iterator and SPL Classes and Interfaces

182

(2)

Error Handling and Debugging

184

(19)

Before and After: Handling Errors

184

(3)

The Benefits of Exceptions

187

(1)

System Exceptions

188

(2)

The Exception Class

190

(1)

User Exceptions

191

(5)

Setting a Custom Exception Handler

196

(1)

Processing Errors with a Custom Handler

197

(1)

Debugging Functions

198

(5)

Streams, Wrappers, and Filters

203

(34)

Using the Streams API

205

(1)

Wrapper Overview

206

(2)

Wrapper Details

208

(9)

Creating Wrappers

217

(11)

Filtering Streams

228

(4)

Creating Filters

232

(5)

Other Extensions

237

(22)

SOAP

237

(9)

Tidy

246

(4)

Reflection

250

(9)

PHP 5 in Action

259

(50)

Defining Your Database Schema

260

(1)

The Person Class

261

(4)

The addressBook Class

265

(7)

The Template Class

272

(4)

Assembling the Application

276

(5)

Wrap-Up and Future Directions

281

(28)

Introduction to XML

283

(10)

Additional New Features and Minor Changes

293

(7)

Installing PHP 5 Alongside PHP 4

300

(9)

Index

309

What is included with this book?

The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.

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Summary

Author Biography

Table of Contents

Supplemental Materials

Adam Trachtenberg