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Preface 

1. Orientation and First Steps

      PHP's Place in the Web World 

      What's So Great About PHP? 

      PHP in Action 

      Basic Rules of PHP Programs 

      Chapter Summary 

2. Working with Text and Numbers

      Text 

      Numbers 

      Variables 

      Chapter Summary 

      Exercises 

3. Making Decisions and Repeating Yourself

      Understanding true and false 

      Making Decisions 

      Building Complicated Decisions 

      Repeating Yourself 

      Chapter Summary 

      Exercises 

4. Working with Arrays

      Array Basics 

      Looping Through Arrays 

      Modifying Arrays 

      Sorting Arrays 

      Using Multidimensional Arrays 

      Chapter Summary 

      Exercises 

5. Functions

      Declaring and Calling Functions 

      Passing Arguments to Functions 

      Returning Values from Functions 

      Understanding Variable Scope 

      Chapter Summary 

      Exercises 

6. Making Web Forms

      Accessing Form Parameters 

      Form Processing with Functions 

      Validating Data 

      Displaying Default Values 

      Putting It All Together 

      Chapter Summary 

      Exercises 

7. Storing Information with Databases

      Organizing Data in a Database 

      Connecting to a Database Program 

      Creating a Table 

      Putting Data into the Database 

      Inserting Form Data Safely 

      Generating Unique IDs 

      A Complete Data Insertion Form 

      Retrieving Data from the Database 

      Changing the Format of Retrieved Rows 

      Retrieving Form Data Safely 

      A Complete Data Retrieval Form 

      MySQL Without PEAR DB 

      Chapter Summary 

      Exercises 

8. Remembering Users with Cookies and Sessions

      Working with Cookies 

      Activating Sessions 

      Storing and Retrieving Information 

      Configuring Sessions 

      Login and User Identification 

      Why setcookie(  ) and session_start(  ) Want to Be at the Top of the Page 

      Chapter Summary 

      Exercises 

9. Handling Dates and Times

      Displaying the Date or Time 

      Parsing a Date or Time 

      Dates and Times in Forms 

      Displaying a Calendar 

      Chapter Summary 

      Exercises 

10. Working with Files

      Understanding File Permissions 

      Reading and Writing Entire Files 

      Reading and Writing Parts of Files 

      Working with CSV Files 

      Inspecting File Permissions 

      Checking for Errors 

      Sanitizing Externally Supplied Filenames 

      Chapter Summary 

      Exercises 

11. Parsing and Generating XML

      Parsing an XML Document 

      Generating an XML Document 

      Chapter Summary 

      Exercises 

12. Debugging

      Controlling Where Errors Appear 

      Fixing Parse Errors 

      Inspecting Program Data 

      Fixing Database Errors 

      Chapter Summary 

      Exercises 

13. What Else Can You Do with PHP?

      Graphics 

      PDF 

      Shockwave/Flash 

      Browser-Specific Code 

      Sending and Receiving Mail 

      Uploading Files in Forms 

      The HTML_QuickForm Form-Handling Framework 

      Classes and Objects 

      Advanced XML Processing 

      SQLite 

      Running Shell Commands 

      Advanced Math 

      Encryption 

      Talking to Other Languages 

      IMAP, POP3, and NNTP 

      Command-Line PHP 

      PHP-GTK 

      Even More Things You Can Do with PHP 

A. Installing and Configuring the PHP Interpreter

B. Regular Expression Basics

C. Answers To Exercises

Index