Gilmore_552-1Front.fm Page i Wednesday, December 21, 2005 3:05 PM           Beginning PHP           and MySQL 5           ...
Gilmore_552-1Front.fm Page ii Wednesday, December 21, 2005 3:05 PM           Beginning PHP and MySQL 5: From Novice to Pro...
Gilmore_552-1Front.fm Page iii Wednesday, December 21, 2005 3:05 PM                  This book is dedicated to the memory ...
Gilmore_552-1Front.fm Page iv Wednesday, December 21, 2005 3:05 PM
Gilmore_552-1Front.fm Page v Wednesday, December 21, 2005 3:05 PM           Contents at a Glance           About the Autho...
Gilmore_552-1Front.fm Page vi Wednesday, December 21, 2005 3:05 PMvi         ■C O N T E N T S A T A G L A N C E           ...
Gilmore_552-1Front.fm Page vii Wednesday, December 21, 2005 3:05 PM           Contents           About the Author . . . . ...
Gilmore_552-1Front.fm Page viii Wednesday, December 21, 2005 3:05 PMviii       ■C O N T E N T S           ■CHAPTER 3      ...
Gilmore_552-1Front.fm Page ix Wednesday, December 21, 2005 3:05 PM                                                        ...
Gilmore_552-1Front.fm Page x Wednesday, December 21, 2005 3:05 PMx          ■C O N T E N T S           ■CHAPTER 6         ...
Gilmore_552-1Front.fm Page xi Wednesday, December 21, 2005 3:05 PM                                                        ...
Gilmore_552-1Front.fm Page xii Wednesday, December 21, 2005 3:05 PMxii        ■C O N T E N T S           ■CHAPTER 10 Worki...
Gilmore_552-1Front.fm Page xiii Wednesday, December 21, 2005 3:05 PM                                                      ...
Gilmore_552-1Front.fm Page xiv Wednesday, December 21, 2005 3:05 PMxiv        ■C O N T E N T S                            ...
Gilmore_552-1Front.fm Page xv Wednesday, December 21, 2005 3:05 PM                                                        ...
Gilmore_552-1Front.fm Page xvi Wednesday, December 21, 2005 3:05 PMxvi        ■C O N T E N T S           ■CHAPTER 18 Sessi...
Gilmore_552-1Front.fm Page xvii Wednesday, December 21, 2005 3:05 PM                                                      ...
Gilmore_552-1Front.fm Page xviii Wednesday, December 21, 2005 3:05 PMxviii      ■C O N T E N T S                          ...
Gilmore_552-1Front.fm Page xix Wednesday, December 21, 2005 3:05 PM                                                       ...
Gilmore_552-1Front.fm Page xx Wednesday, December 21, 2005 3:05 PMxx         ■C O N T E N T S                             ...
Gilmore_552-1Front.fm Page xxi Wednesday, December 21, 2005 3:05 PM                                                       ...
Gilmore_552-1Front.fm Page xxii Wednesday, December 21, 2005 3:05 PMxxii       ■C O N T E N T S                           ...
Gilmore_552-1Front.fm Page xxiii Wednesday, December 21, 2005 3:05 PM                                                     ...
Gilmore_552-1Front.fm Page xxiv Wednesday, December 21, 2005 3:05 PMxxiv       ■C O N T E N T S           ■CHAPTER 34 Prac...
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
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Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
Beginning php 5 and my sql 5   from novice to professional
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Beginning php 5 and my sql 5 from novice to professional

  1. 1. Gilmore_552-1Front.fm Page i Wednesday, December 21, 2005 3:05 PM Beginning PHP and MySQL 5 From Novice to Professional, Second Edition ■■■ W. Jason Gilmore
  2. 2. Gilmore_552-1Front.fm Page ii Wednesday, December 21, 2005 3:05 PM Beginning PHP and MySQL 5: From Novice to Professional, Second Edition Copyright © 2006 by W. Jason Gilmore All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. ISBN-13 (pbk): 978-1-59059-552-7 ISBN-10 (pbk): 1-59059-552-1 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. Lead Editor: Matthew Moodie Technical Reviewer: Matthew Wade Editorial Board: Steve Anglin, Dan Appleman, Ewan Buckingham, Gary Cornell, Tony Davis, Jason Gilmore, Jonathan Hassell, Chris Mills, Dominic Shakeshaft, Jim Sumser Project Managers: Laura Cheu, Beth Christmas Copy Edit Manager: Nicole LeClerc Copy Editor: Bill McManus Assistant Production Director: Kari Brooks-Copony Production Editor: Laura Cheu Compositor: Susan Glinert Stevens Proofreader: Nancy Sixsmith Indexer: John Collin Cover Designer: Kurt Krames Manufacturing Director: Tom Debolski Distributed to the book trade worldwide by Springer-Verlag New York, Inc., 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax 201-348-4505, e-mail orders-ny@springer-sbm.com, or visit http://www.springeronline.com. For information on translations, please contact Apress directly at 2560 Ninth Street, Suite 219, Berkeley, CA 94710. Phone 510-549-5930, fax 510-549-5939, e-mail info@apress.com, or visit http://www.apress.com. The information in this book is distributed on an “as is” basis, without warranty. Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work. The source code for this book is available to readers at http://www.apress.com in the Source Code section.
  3. 3. Gilmore_552-1Front.fm Page iii Wednesday, December 21, 2005 3:05 PM This book is dedicated to the memory of Dr. Giovanni “Nino” Sanzi (1929–2004). Addio, caro amico.
  4. 4. Gilmore_552-1Front.fm Page iv Wednesday, December 21, 2005 3:05 PM
  5. 5. Gilmore_552-1Front.fm Page v Wednesday, December 21, 2005 3:05 PM Contents at a Glance About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii About the Technical Reviewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxix Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxiii ■CHAPTER 1 An Introduction to PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ■CHAPTER 2 Installing and Configuring Apache and PHP . . . . . . . . . . . . . . . . . . . . . 9 ■CHAPTER 3 PHP Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 ■CHAPTER 4 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 ■CHAPTER 5 Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 ■CHAPTER 6 Object-Oriented PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 ■CHAPTER 7 Advanced OOP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 ■CHAPTER 8 Error and Exception Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 ■CHAPTER 9 Strings and Regular Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 ■CHAPTER 10 Working with the File and Operating System . . . . . . . . . . . . . . . . . 229 ■CHAPTER 11 PEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 ■CHAPTER 12 Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 ■CHAPTER 13 Forms and Navigational Cues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 ■CHAPTER 14 Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 ■CHAPTER 15 Handling File Uploads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 ■CHAPTER 16 Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359 ■CHAPTER 17 PHP and LDAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399 ■CHAPTER 18 Session Handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 ■CHAPTER 19 Templating with Smarty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 ■CHAPTER 20 Web Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473 ■CHAPTER 21 Secure PHP Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515 ■CHAPTER 22 SQLite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535 ■CHAPTER 23 Introducing PDO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555 v
  6. 6. Gilmore_552-1Front.fm Page vi Wednesday, December 21, 2005 3:05 PMvi ■C O N T E N T S A T A G L A N C E ■CHAPTER 24 Introducing MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573 ■CHAPTER 25 Installing and Configuring MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581 ■CHAPTER 26 The Many MySQL Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607 ■CHAPTER 27 MySQL Storage Engines and Datatypes . . . . . . . . . . . . . . . . . . . . . . 631 ■CHAPTER 28 Securing MySQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 661 ■CHAPTER 29 PHP’s MySQL Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 689 ■CHAPTER 30 PHP’s mysqli Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719 ■CHAPTER 31 Stored Routines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745 ■CHAPTER 32 MySQL Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 767 ■CHAPTER 33 Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 779 ■CHAPTER 34 Practical Database Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 793 ■CHAPTER 35 Indexes and Searching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 817 ■CHAPTER 36 Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 831 ■CHAPTER 37 Importing and Exporting Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 845 ■INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 859
  7. 7. Gilmore_552-1Front.fm Page vii Wednesday, December 21, 2005 3:05 PM Contents About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii About the Technical Reviewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxix Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxiii ■CHAPTER 1 An Introduction to PHP ....................................1 History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 PHP 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 PHP 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General Language Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Practicality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Possibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Price . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ■CHAPTER 2 Installing and Configuring Apache and PHP ..............9 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Obtaining the Distributions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 The Installation Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Testing Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Customizing the Unix Build . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Customizing the Windows Build . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Common Pitfalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Viewing and Downloading the Documentation . . . . . . . . . . . . . . . . . 19 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Managing PHP’s Configuration Directives . . . . . . . . . . . . . . . . . . . . . 20 PHP’s Configuration Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 vii
  8. 8. Gilmore_552-1Front.fm Page viii Wednesday, December 21, 2005 3:05 PMviii ■C O N T E N T S ■CHAPTER 3 PHP Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Escaping to PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Default Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Short-Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Script . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ASP-Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Embedding Multiple Code Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Single-line C++ Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Shell Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Multiple-Line C Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 print() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 echo() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 printf(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 sprintf() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Scalar Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Compound Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Special Datatypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Type Casting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Type Juggling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Type-Related Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Type Identifier Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Variable Declaration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Variable Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 PHP’s Superglobal Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Variable Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Operands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Operators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 String Interpolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Double Quotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Single Quotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Heredoc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
  9. 9. Gilmore_552-1Front.fm Page ix Wednesday, December 21, 2005 3:05 PM ■C O N T E N T S ix Control Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Execution Control Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Conditional Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Looping Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 File Inclusion Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 ■CHAPTER 4 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Invoking a Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Creating a Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Passing Arguments by Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Passing Arguments by Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Default Argument Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Optional Arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Returning Values from a Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 Nesting Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Recursive Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Variable Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Function Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 ■CHAPTER 5 Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 What Is an Array? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Outputting Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 Creating an Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Testing for an Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Adding and Removing Array Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Locating Array Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Traversing Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Determining Array Size and Uniqueness . . . . . . . . . . . . . . . . . . . . . . . . . 116 Sorting Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Merging, Slicing, Splicing, and Dissecting Arrays . . . . . . . . . . . . . . . . . . 124 Other Useful Array Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
  10. 10. Gilmore_552-1Front.fm Page x Wednesday, December 21, 2005 3:05 PMx ■C O N T E N T S ■CHAPTER 6 Object-Oriented PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 The Benefits of OOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Encapsulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Inheritance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Polymorphism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Key OOP Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 __set() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Type Hinting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Constructors and Destructors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Constructors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Destructors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 Static Class Members . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 The instanceof Keyword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Helper Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Autoloading Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 ■CHAPTER 7 Advanced OOP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 Advanced OOP Features Not Supported by PHP . . . . . . . . . . . . . . . . . . . 157 Object Cloning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 Cloning Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 The __clone() Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Inheritance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Class Inheritance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Inheritance and Constructors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Implementing a Single Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Implementing Multiple Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Abstract Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
  11. 11. Gilmore_552-1Front.fm Page xi Wednesday, December 21, 2005 3:05 PM ■C O N T E N T S xi Reflection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Writing the ReflectionClass Class . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 Writing the ReflectionMethod Class . . . . . . . . . . . . . . . . . . . . . . . . . 172 Writing the ReflectionParameter Class . . . . . . . . . . . . . . . . . . . . . . . 174 Writing the ReflectionProperty Class . . . . . . . . . . . . . . . . . . . . . . . . 175 Other Reflection Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 ■CHAPTER 8 Error and Exception Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Configuration Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Error Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 Exception Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 Why Exception Handling Is Handy . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 PHP’s Exception-Handling Implementation . . . . . . . . . . . . . . . . . . . 185 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 ■CHAPTER 9 Strings and Regular Expressions . . . . . . . . . . . . . . . . . . . . . . . . 191 Complex (Curly) Offset Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Regular Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Regular Expression Syntax (POSIX) . . . . . . . . . . . . . . . . . . . . . . . . . . 193 PHP’s Regular Expression Functions (POSIX Extended) . . . . . . . . . 195 Regular Expression Syntax (Perl Style) . . . . . . . . . . . . . . . . . . . . . . . 198 Other String-Specific Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 Determining the Length of a String . . . . . . . . . . . . . . . . . . . . . . . . . 205 Comparing Two Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Manipulating String Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Converting Strings to and from HTML . . . . . . . . . . . . . . . . . . . . . . . 209 Alternatives for Regular Expression Functions . . . . . . . . . . . . . . . . 214 Padding and Stripping a String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Counting Characters and Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Taking Advantage of PEAR: Validate_US . . . . . . . . . . . . . . . . . . . . . . . . . 226 Installing Validate_US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Using Validate_US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
  12. 12. Gilmore_552-1Front.fm Page xii Wednesday, December 21, 2005 3:05 PMxii ■C O N T E N T S ■CHAPTER 10 Working with the File and Operating System . . . . . . . . . . . 229 Learning About Files and Directories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Parsing Directory Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 File Types and Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232 Calculating File, Directory, and Disk Sizes . . . . . . . . . . . . . . . . . . . 235 Access and Modification Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 File Ownership and Permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 File I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 The Concept of a Resource . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Newline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 End-of-File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Opening and Closing a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Reading from a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 Moving the File Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Writing to a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Reading Directory Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Executing Shell Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 PHP’s Built-in System Commands . . . . . . . . . . . . . . . . . . . . . . . . . . 252 System-Level Program Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Sanitizing the Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 PHP’s Program Execution Functions . . . . . . . . . . . . . . . . . . . . . . . . . 255 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 ■CHAPTER 11 PEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Popular PEAR Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Converting Numeral Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Installing and Updating PEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 Installing PEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 PEAR and Hosting Companies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Updating PEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Using the PEAR Package Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Viewing Installed Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Learning More About an Installed Package . . . . . . . . . . . . . . . . . . . 265 Installing a Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Using a Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 Upgrading a Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 Uninstalling a Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 Downgrading a Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
  13. 13. Gilmore_552-1Front.fm Page xiii Wednesday, December 21, 2005 3:05 PM ■C O N T E N T S xiii ■CHAPTER 12 Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 The Unix Timestamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 PHP’s Date and Time Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Date Fu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279 Displaying the Localized Date and Time . . . . . . . . . . . . . . . . . . . . . 279 Displaying the Web Page’s Most Recent Modification Date . . . . . 283 Determining the Number Days in the Current Month . . . . . . . . . . . 283 Calculating the Date X Days from the Present Date . . . . . . . . . . . . 284 Creating a Calendar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 PHP 5.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Date Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 The Date Constructor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 Accessors and Mutators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 Validators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293 Manipulation Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301 ■CHAPTER 13 Forms and Navigational Cues . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 PHP and Web Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 A Simple Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Passing Form Data to a Function . . . . . . . . . . . . . . . . . . . . . . . . . . . 306 Working with Multivalued Form Components . . . . . . . . . . . . . . . . . 307 Generating Forms with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 Autoselecting Forms Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 PHP, Web Forms, and JavaScript . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 Navigational Cues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 User-Friendly URLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 Breadcrumb Trails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 Creating Custom Error Handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323 ■CHAPTER 14 Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 HTTP Authentication Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 PHP Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326 Authentication Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327 Authentication Methodologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
  14. 14. Gilmore_552-1Front.fm Page xiv Wednesday, December 21, 2005 3:05 PMxiv ■C O N T E N T S User Login Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Password Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Testing Password Guessability with the CrackLib Library . . . . . . . 339 One-Time URLs and Password Recovery . . . . . . . . . . . . . . . . . . . . . 341 ■CHAPTER 15 Handling File Uploads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 Uploading Files via the HTTP Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 Handling Uploads with PHP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 PHP’s File Upload/Resource Directives . . . . . . . . . . . . . . . . . . . . . . 346 The $_FILES Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 PHP’s File-Upload Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Upload Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 File-Upload Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 Taking Advantage of PEAR: HTTP_Upload . . . . . . . . . . . . . . . . . . . . . . . . 355 Installing HTTP_Upload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355 Learning More About an Uploaded File . . . . . . . . . . . . . . . . . . . . . . 355 Moving an Uploaded File to the Final Destination . . . . . . . . . . . . . . 356 Uploading Multiple Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 ■CHAPTER 16 Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359 DNS, Services, and Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 Establishing Socket Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 365 Mail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 Configuration Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 Sending a Plain-Text E-Mail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 Sending an E-Mail with Additional Headers . . . . . . . . . . . . . . . . . . . 369 Sending an E-Mail to Multiple Recipients . . . . . . . . . . . . . . . . . . . . 369 Sending an HTML-Formatted E-Mail . . . . . . . . . . . . . . . . . . . . . . . . 370 Sending an Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 IMAP, POP3, and NNTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373 Establishing and Closing a Connection . . . . . . . . . . . . . . . . . . . . . . 374 Learning More About Mailboxes and Mail . . . . . . . . . . . . . . . . . . . . 375
  15. 15. Gilmore_552-1Front.fm Page xv Wednesday, December 21, 2005 3:05 PM ■C O N T E N T S xv Retrieving Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378 Composing a Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386 Sending a Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 Mailbox Administration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388 Message Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390 Stream Wrappers and Contexts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390 Stream Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391 Common Networking Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393 Pinging a Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 A Port Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395 Subnet Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .