Zend Enterprise PHP Patterns

282 Pages·2009·5.28 MB·English

by  John Coggeshall

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BOOKS FOR PROFESSIONALS BY PROFESSIONALS® THE EXPERT’S VOICE® IN PHP
Companion
eBook
Available
Zend Enterprise PHP Patterns
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Dear Reader,
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As the Senior Architect for Zend Global Services during the first three years of
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the group’s existence, I had the opportunity to work with some of the largest PHP
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applications on the planet and solve many interesting challenges around perfor-
mance, security, and architecture. At the time there was little in the way of tools
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or standards to accomplish these tasks, and the group often had to create the
Author of solutions to our customers’ problems from scratch. The fruit of these efforts has n Zend Enterprise
PHP 5 Unleashed largely been captured in this book—a compilation of techniques around perfor- t
mance, architecture, security, and more taken directly from my experiences. e
Thankfully, a lot has changed since 2004, and now extensive tools and tech- r
niques exist to solve more effectively many of the issues we struggled with. From p
powerful open source frameworks such as Zend Framework to the advanced
r
tools provided by Zend Studio for Eclipse and Zend Platform, it is now easier to
i
diagnose and address issues than it has ever been. That said, there are still many s
PHP Patterns
things that require the touch of a knowledgeable engineer, and it is my sincere e
hope that you will find this book a useful insight into how these tools, with some

key knowledge, can help you solve many of the common problems faced in P
world-class PHP applications today.
H
The Web and its challenges are always going to be moving targets, changing
nearly daily as technology evolves. The goal of this book is not only to teach you P
the practical solutions for some of the common problems for today but also to
give you insight that I hope will help you solve the problems of tomorrow. Enjoy! P
a
Regards,
t
t
John Coggeshall e
Performance, architecture, and analysis
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of PHP applications
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Companion eBook s
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SOURCE CODE ONLINE g John Coggeshall
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www.apress.com ISBN 978-1-4302-1974-3 e
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www.zendenterprisephp.com 54699 h with Morgan Tocker
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US $46.99 Foreword by Andi Gutmans,
Shelve in Chief Executive Officer, Zend Technologies, Inc.
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Zend Enterprise PHP
Patterns
John Coggeshall with Morgan Tocker
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Zend Enterprise PHP Patterns
Copyright © 2009 by John Coggeshall
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means,
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To my daughter, Diana Katheryn Coggeshall, who continues to be the single steadfast
reason I have to do more and be more in my life
John Coggeshall
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Contents at a Glance
Foreword........................................................................xiii
About the Authors................................................................. xv
About the Technical Reviewer..................................................... xvii
Acknowledgments................................................................xix
Introduction......................................................................xxi
CHAPTER1 Introduction to Zend Framework.................................1
CHAPTER2 Introduction to Zend Studio for Eclipse ..........................33
CHAPTER3 Web Application Performance and Analysis......................57
CHAPTER4 Data-Caching Strategies in PHP.................................71
CHAPTER5 Asynchronous Operations with PHP.............................93
CHAPTER6 Securing Your PHP Applications................................123
CHAPTER7 Monitoring Your Applications ..................................141
CHAPTER8 Web Services and Zend Framework............................167
CHAPTER9 Production Farms for PHP .....................................193
CHAPTER 10 The MySQL Database..........................................211
INDEX .......................................................................249
v
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Contents
Foreword........................................................................xiii
About the Authors................................................................. xv
About the Technical Reviewer..................................................... xvii
Acknowledgments................................................................xix
Introduction......................................................................xxi
CHAPTER1 Introduction to Zend Framework............................1
Introduction to Zend Framework Library.............................1
Zend Framework MVC ............................................3
Model, View, and Controller...................................3
“Hello World” in Zend Framework .............................9
Zend Framework Request/Response Objects and Error Handling.... 27
Conclusion .....................................................31
CHAPTER2 Introduction to Zend Studio for Eclipse ...................33
Getting Started Zend Studio for Eclipse.............................33
Creating Projects in Zend Studio for Eclipse....................36
Debugging in Zend Studio for Eclipse..........................38
Profiling in Zend Studio for Eclipse............................52
Conclusion .....................................................55
CHAPTER3 Web Application Performance and Analysis ..............57
Locating the Bottleneck ..........................................59
How Are You Bound?........................................59
Using vmstat...............................................59
Determining Whether You Are CPU-Bound .....................62
Determining Whether You Are Memory-Bound..................63
Determining Whether You Are I/O-Bound ......................65
vii
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viii (cid:78)CONTENTS
Where to Start Looking...........................................66
CPU Bounding Influence.....................................66
Memory Bounding Influence .................................67
I/O Bounding Influence ......................................67
When the Bottleneck Is a Remote Procedure Call ...............68
Simulating Load to Identify Future Bottlenecks .................68
Conclusion .....................................................70
CHAPTER4 Data-Caching Strategies in PHP ...........................71
Opcode Caching.................................................71
The PHP Execution Cycle ....................................71
Full-Page Caching...............................................74
What Is Full-Page Caching?..................................74
Setting Up Full-Page Caching ................................76
Final Thoughts on Full-Page Caching..........................79
Semi-Full-Page Caching..........................................79
Programmatic Caching...........................................82
Components of Caching in Zend Framework ...................82
You Can (Almost) Always Cache Things........................83
Knowing Your Cache Effectiveness............................85
The Various Zend_Cache Back Ends ..........................85
Conclusion .....................................................92
CHAPTER5 Asynchronous Operations with PHP .......................93
Getting Started with Job Queue ...................................95
Advanced Job Queue Configuration................................97
Replacing Job Queue’s PHP with Your Own ....................97
Modifying the Configuration of Job Queue’s PHP................99
Controlling the Job Queue from the Command Line .............99
Using the Job Queue to Execute PHP Scripts.......................100
Creating Your First Job.....................................100
Searching for Existing Jobs.................................102
Using Input Parameters in Job Queue Scripts..................105
Creating Jobs Programmatically Using the Job Queue API.......108
Conclusion ....................................................121
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