PHP Cookbook: Solutions and Examples for PHP Programmers
PHP Cookbook: Solutions and Examples for PHP Programmers
ISBN: 0596101015
EAN: 2147483647
EAN: 2147483647
Year: 2006
Pages: 445
Pages: 445
Authors: Adam Trachtenberg, David Sklar
- PHP Cookbook, 2nd Edition
- Table of Contents
- Copyright
- Preface
- Chapter 1. Strings
- Section 1.0. Introduction
- Recipe 1.1. Accessing Substrings
- Recipe 1.2. Extracting Substrings
- Recipe 1.3. Replacing Substrings
- Recipe 1.4. Processing a String One Byte at a Time
- Recipe 1.5. Reversing a String by Word or Byte
- Recipe 1.6. Expanding and Compressing Tabs
- Recipe 1.7. Controlling Case
- Recipe 1.8. Interpolating Functions and Expressions Within Strings
- Recipe 1.9. Trimming Blanks from a String
- Recipe 1.10. Generating Comma-Separated Data
- Recipe 1.11. Parsing Comma-Separated Data
- Recipe 1.12. Generating Fixed-Width Field Data Records
- Recipe 1.13. Parsing Fixed-Width Field Data Records
- Recipe 1.14. Taking Strings Apart
- Recipe 1.15. Wrapping Text at a Certain Line Length
- Recipe 1.16. Storing Binary Data in Strings
- Recipe 1.17. Program: Downloadable CSV File
- Chapter 2. Numbers
- Section 2.0. Introduction
- Recipe 2.1. Checking Whether a Variable Contains a Valid Number
- Recipe 2.2. Comparing Floating-Point Numbers
- Recipe 2.3. Rounding Floating-Point Numbers
- Recipe 2.4. Operating on a Series of Integers
- Recipe 2.5. Generating Random Numbers Within a Range
- Recipe 2.6. Generating Biased Random Numbers
- Recipe 2.7. Taking Logarithms
- Recipe 2.8. Calculating Exponents
- Recipe 2.9. Formatting Numbers
- Recipe 2.10. Formatting Monetary Values
- Recipe 2.11. Printing Correct Plurals
- Recipe 2.12. Calculating Trigonometric Functions
- Recipe 2.13. Doing Trigonometry in Degrees, Not Radians
- Recipe 2.14. Handling Very Large or Very Small Numbers
- Recipe 2.15. Converting Between Bases
- Recipe 2.16. Calculating Using Numbers in Bases Other Than Decimal
- Recipe 2.17. Finding the Distance Between Two Places
- Chapter 3. Dates and Times
- Section 3.0. Introduction
- Recipe 3.1. Finding the Current Date and Time
- Recipe 3.2. Converting Time and Date Parts to an Epoch Timestamp
- Recipe 3.3. Converting an Epoch Timestamp to Time and Date Parts
- Recipe 3.4. Printing a Date or Time in a Specified Format
- Recipe 3.5. Finding the Difference of Two Dates
- Recipe 3.6. Finding the Difference of Two Dates with Julian Days
- Recipe 3.7. Finding the Day in a Week, Month, or Year
- Recipe 3.8. Validating a Date
- Recipe 3.9. Parsing Dates and Times from Strings
- Recipe 3.10. Adding to or Subtracting from a Date
- Recipe 3.11. Calculating Time with Time Zones
- Recipe 3.12. Accounting for Daylight Savings Time
- Recipe 3.13. Generating a High-Precision Time
- Recipe 3.14. Generating Time Ranges
- Recipe 3.15. Using Non-Gregorian Calendars
- Recipe 3.16. Using Dates Outside the Range of an Epoch Timestamp
- Recipe 3.17. Program: Calendar
- Chapter 4. Arrays
- Section 4.0. Introduction
- Recipe 4.1. Specifying an Array Not Beginning at Element 0
- Recipe 4.2. Storing Multiple Elements Per Key in an Array
- Recipe 4.3. Initializing an Array to a Range of Integers
- Recipe 4.4. Iterating Through an Array
- Recipe 4.5. Deleting Elements from an Array
- Recipe 4.6. Changing Array Size
- Recipe 4.7. Appending One Array to Another
- Recipe 4.8. Turning an Array into a String
- Recipe 4.9. Printing an Array with Commas
- Recipe 4.10. Checking if a Key Is in an Array
- Recipe 4.11. Checking if an Element Is in an Array
- Recipe 4.12. Finding the Position of a Value in an Array
- Recipe 4.13. Finding Elements That Pass a Certain Test
- Recipe 4.14. Finding the Largest or Smallest Valued Element in an Array
- Recipe 4.15. Reversing an Array
- Recipe 4.16. Sorting an Array
- Recipe 4.17. Sorting an Array by a Computable Field
- Recipe 4.18. Sorting Multiple Arrays
- Recipe 4.19. Sorting an Array Using a Method Instead of a Function
- Recipe 4.20. Randomizing an Array
- Recipe 4.21. Removing Duplicate Elements from an Array
- Recipe 4.22. Applying a Function to Each Element in an Array
- Recipe 4.23. Finding the Union, Intersection, or Difference of Two Arrays
- Recipe 4.24. Making an Object Act like an Array
- Recipe 4.25. Program: Printing a Horizontally Columned HTML Table
- Chapter 5. Variables
- Section 5.0. Introduction
- Recipe 5.1. AvoidingVersusConfusion
- Recipe 5.2. Establishing a Default Value
- Recipe 5.3. Exchanging Values Without Using Temporary Variables
- Recipe 5.4. Creating a Dynamic Variable Name
- Recipe 5.5. Using Static Variables
- Recipe 5.6. Sharing Variables Between Processes
- Recipe 5.7. Encapsulating Complex Data Types in a String
- Recipe 5.8. Dumping Variable Contents as Strings
- Chapter 6. Functions
- Section 6.0. Introduction
- Recipe 6.1. Accessing Function Parameters
- Recipe 6.2. Setting Default Values for Function Parameters
- Recipe 6.3. Passing Values by Reference
- Recipe 6.4. Using Named Parameters
- Recipe 6.5. Creating Functions That Take a Variable Number of Arguments
- Recipe 6.6. Returning Values by Reference
- Recipe 6.7. Returning More Than One Value
- Recipe 6.8. Skipping Selected Return Values
- Recipe 6.9. Returning Failure
- Recipe 6.10. Calling Variable Functions
- Recipe 6.11. Accessing a Global Variable Inside a Function
- Recipe 6.12. Creating Dynamic Functions
- Chapter 7. Classes and Objects
- Section 7.0. Introduction
- Recipe 7.1. Instantiating Objects
- Recipe 7.2. Defining Object Constructors
- Recipe 7.3. Defining Object Destructors
- Recipe 7.4. Implementing Access Control
- Recipe 7.5. Preventing Changes to Classes and Methods
- Recipe 7.6. Defining Object Stringification
- Recipe 7.7. Specifying Interfaces
- Recipe 7.8. Creating Abstract Base Classes
- Recipe 7.9. Assigning Object References
- Recipe 7.10. Cloning Objects
- Recipe 7.11. Overriding Property Accesses
- Recipe 7.12. Calling Methods on an Object Returned by Another Method
- Recipe 7.13. Aggregating Objects
- Recipe 7.14. Accessing Overridden Methods
- Recipe 7.15. Using Method Polymorphism
- Recipe 7.16. Defining Class Constants
- Recipe 7.17. Defining Static Properties and Methods
- Recipe 7.18. Controlling Object Serialization
- Recipe 7.19. Introspecting Objects
- Recipe 7.20. Checking if an Object Is an Instance of a Specific Class
- Recipe 7.21. Autoloading Class Files upon Object Instantiation
- Recipe 7.22. Instantiating an Object Dynamically
- Recipe 7.23. Program: whereis
- Chapter 8. Web Basics
- Section 8.0. Introduction
- Recipe 8.1. Setting Cookies
- Recipe 8.2. Reading Cookie Values
- Recipe 8.3. Deleting Cookies
- Recipe 8.4. Redirecting to a Different Location
- Recipe 8.5. Detecting Different Browsers
- Recipe 8.6. Building a Query String
- Recipe 8.7. Reading the Post Request Body
- Recipe 8.8. Generating HTML Tables with Alternating Row Styles
- Recipe 8.9. Using HTTP Basic or Digest Authentication
- Recipe 8.10. Using Cookie Authentication
- Recipe 8.11. Flushing Output to the Browser
- Recipe 8.12. Buffering Output to the Browser
- Recipe 8.13. Compressing Web Output
- Recipe 8.14. Reading Environment Variables
- Recipe 8.15. Setting Environment Variables
- Recipe 8.16. Communicating Within Apache
- Recipe 8.17. Program: Web Site Account (De)activator
- Recipe 8.18. Program: Tiny Wiki
- Chapter 9. Form
- Section 9.0. Introduction
- Recipe 9.1. Processing Form Input
- Recipe 9.2. Validating Form Input: Required Fields
- Recipe 9.3. Validating Form Input: Numbers
- Recipe 9.4. Validating Form Input: Email Addresses
- Recipe 9.5. Validating Form Input: Drop-Down Menus
- Recipe 9.6. Validating Form Input: Radio Buttons
- Recipe 9.7. Validating Form Input: Checkboxes
- Recipe 9.8. Validating Form Input: Dates and Times
- Recipe 9.9. Validating Form Input: Credit Cards
- Recipe 9.10. Preventing Cross-Site Scripting
- Recipe 9.11. Working with Multipage Forms
- Recipe 9.12. Redisplaying Forms with Inline Error Messages
- Recipe 9.13. Guarding Against Multiple Submission of the Same Form
- Recipe 9.14. Processing Uploaded Files
- Recipe 9.15. Preventing Global Variable Injection
- Recipe 9.16. Handling Remote Variables with Periods in Their Names
- Recipe 9.17. Using Form Elements with Multiple Options
- Recipe 9.18. Creating Drop-Down Menus Based on the Current Date
- Chapter 10. Database Access
- Section 10.0. Introduction
- Recipe 10.1. Using DBM Databases
- Recipe 10.2. Using an SQLite Database
- Recipe 10.3. Connecting to an SQL Database
- Recipe 10.4. Querying an SQL Database
- Recipe 10.5. Retrieving Rows Without a Loop
- Recipe 10.6. Modifying Data in an SQL Database
- Recipe 10.7. Repeating Queries Efficiently
- Recipe 10.8. Finding the Number of Rows Returned by a Query
- Recipe 10.9. Escaping Quotes
- Recipe 10.10. Logging Debugging Information and Errors
- Recipe 10.11. Creating Unique Identifiers
- Recipe 10.12. Building Queries Programmatically
- Recipe 10.13. Making Paginated Links for a Series of Records
- Recipe 10.14. Caching Queries and Results
- Recipe 10.15. Accessing a Database Connection Anywhere in Your Program
- Recipe 10.16. Program: Storing a Threaded Message Board
- Chapter 11. Sessions and Data Persistence
- Section 11.0. Introduction
- Recipe 11.1. Using Session Tracking
- Recipe 11.2. Preventing Session Hijacking
- Recipe 11.3. Preventing Session Fixation
- Recipe 11.4. Storing Sessions in a Database
- Recipe 11.5. Storing Sessions in Shared Memory
- Recipe 11.6. Storing Arbitrary Data in Shared Memory
- Recipe 11.7. Caching Calculated Results in Summary Tables
- Chapter 12. XML
- Section 12.0. Introduction
- Recipe 12.1. Generating XML as a String
- Recipe 12.2. Generating XML with the DOM
- Recipe 12.3. Parsing Basic XML Documents
- Recipe 12.4. Parsing Complex XML Documents
- Recipe 12.5. Parsing Large XML Documents
- Recipe 12.6. Extracting Information Using XPath
- Recipe 12.7. Transforming XML with XSLT
- Recipe 12.8. Setting XSLT Parameters from PHP
- Recipe 12.9. Calling PHP Functions from XSLT Stylesheets
- Recipe 12.10. Validating XML Documents
- Recipe 12.11. Handling Content Encoding
- Recipe 12.12. Reading RSS and Atom Feeds
- Recipe 12.13. Writing RSS Feeds
- Recipe 12.14. Writing Atom Feeds
- Chapter 13. Web Automation
- Section 13.0. Introduction
- Recipe 13.1. Fetching a URL with the Get Method
- Recipe 13.2. Fetching a URL with the Post Method
- Recipe 13.3. Fetching a URL with Cookies
- Recipe 13.4. Fetching a URL with Arbitrary Headers
- Recipe 13.5. Fetching a URL with an Arbitrary Method
- Recipe 13.6. Fetching a URL with a Timeout
- Recipe 13.7. Fetching an HTTPS URL
- Recipe 13.8. Debugging the Raw HTTP Exchange
- Recipe 13.9. Marking Up a Web Page
- Recipe 13.10. Cleaning Up Broken or Nonstandard HTML
- Recipe 13.11. Extracting Links from an HTML File
- Recipe 13.12. Converting Plain Text to HTML
- Recipe 13.13. Converting HTML to Plain Text
- Recipe 13.14. Removing HTML and PHP Tags
- Recipe 13.15. Responding to an Ajax Request
- Recipe 13.16. Integrating with JavaScript
- Recipe 13.17. Program: Finding Stale Links
- Recipe 13.18. Program: Finding Fresh Links
- Chapter 14. Consuming Web Services
- Section 14.0. Introduction
- Recipe 14.1. Calling a REST Method
- Recipe 14.2. Calling a SOAP Method with WSDL
- Recipe 14.3. Calling a SOAP Method Without WSDL
- Recipe 14.4. Debugging SOAP Requests
- Recipe 14.5. Using Complex SOAP Types
- Recipe 14.6. Setting SOAP Types
- Recipe 14.7. Using SOAP Headers
- Recipe 14.8. Using Authentication with SOAP
- Recipe 14.9. Redefining an Endpoint
- Recipe 14.10. Catching SOAP Faults
- Recipe 14.11. Mapping XML Schema Data Types to PHP Classes
- Recipe 14.12. Calling an XML-RPC Method
- Recipe 14.13. Using Authentication with XML-RPC
- Chapter 15. Building Web Services
- Section 15.0. Introduction
- Recipe 15.1. Serving a REST Method
- Recipe 15.2. Serving a SOAP Method
- Recipe 15.3. Accepting Arguments in a SOAP Method
- Recipe 15.4. Generating WSDL Automatically
- Recipe 15.5. Throwing SOAP Faults
- Recipe 15.6. Processing a SOAP Header
- Recipe 15.7. Generating a SOAP Header
- Recipe 15.8. Using Authentication with SOAP
- Recipe 15.9. Serving an XML-RPC Method
- Chapter 16. Internet Services
- Section 16.0. Introduction
- Recipe 16.1. Sending Mail
- Recipe 16.2. Sending MIME Mail
- Recipe 16.3. Reading Mail with IMAP or POP3
- Recipe 16.4. Posting Messages to Usenet Newsgroups
- Recipe 16.5. Reading Usenet News Messages
- Recipe 16.6. Getting and Putting Files with FTP
- Recipe 16.7. Looking Up Addresses with LDAP
- Recipe 16.8. Using LDAP for User Authentication
- Recipe 16.9. Performing DNS Lookups
- Recipe 16.10. Checking if a Host Is Alive
- Recipe 16.11. Getting Information About a Domain Name
- Chapter 17. Graphics
- Section 17.0. Introduction
- Recipe 17.1. Drawing Lines, Rectangles, and Polygons
- Recipe 17.2. Drawing Arcs, Ellipses, and Circles
- Recipe 17.3. Drawing with Patterned Lines
- Recipe 17.4. Drawing Text
- Recipe 17.5. Drawing Centered Text
- Recipe 17.6. Building Dynamic Images
- Recipe 17.7. Getting and Setting a Transparent Color
- Recipe 17.8. Reading EXIF Data
- Recipe 17.9. Serving Images Securely
- Recipe 17.10. Program: Generating Bar Charts from Poll Results
- Chapter 18. Security and Encryption
- Section 18.0. Introduction
- Recipe 18.1. Preventing Session Fixation
- Recipe 18.2. Protecting Against Form Spoofing
- Recipe 18.3. Ensuring Input Is Filtered
- Recipe 18.4. Avoiding Cross-Site Scripting
- Recipe 18.5. Eliminating SQL Injection
- Recipe 18.6. Keeping Passwords Out of Your Site Files
- Recipe 18.7. Storing Passwords
- Recipe 18.8. Dealing with Lost Passwords
- Recipe 18.9. Verifying Data with Hashes
- Recipe 18.10. Encrypting and Decrypting Data
- Recipe 18.11. Storing Encrypted Data in a File or Database
- Recipe 18.12. Sharing Encrypted Data with Another Web Site
- Recipe 18.13. Detecting SSL
- Recipe 18.14. Encrypting Email with GPG
- Chapter 19. Internationalization and Localization
- Section 19.0. Introduction
- Recipe 19.1. Listing Available Locales
- Recipe 19.2. Using a Particular Locale
- Recipe 19.3. Setting the Default Locale
- Recipe 19.4. Localizing Text Messages
- Recipe 19.5. Localizing Dates and Times
- Recipe 19.6. Localizing Currency Values
- Recipe 19.7. Localizing Images
- Recipe 19.8. Localizing Included Files
- Recipe 19.9. Managing Localization Resources
- Recipe 19.10. Using gettext
- Recipe 19.11. Setting the Character Encoding of Outgoing Data
- Recipe 19.12. Setting the Character Encoding of Incoming Data
- Recipe 19.13. Manipulating UTF-8 Text
- Chapter 20. Error Handling, Debugging, and Testing
- Section 20.0. Introduction
- Recipe 20.1. Finding and Fixing Parse Errors
- Recipe 20.2. Creating Your Own Exception Classes
- Recipe 20.3. Printing a Stack Trace
- Recipe 20.4. Reading Configuration Variables
- Recipe 20.5. Setting Configuration Variables
- Recipe 20.6. Hiding Error Messages from Users
- Recipe 20.7. Tuning Error Handling
- Recipe 20.8. Using a Custom Error Handler
- Recipe 20.9. Logging Errors
- Recipe 20.10. Eliminating
- Recipe 20.11. Logging Debugging Information
- Recipe 20.12. Using a Debugger Extension
- Recipe 20.13. Writing a Unit Test
- Recipe 20.14. Writing a Unit Test Suite
- Recipe 20.15. Applying a Unit Test to a Web Page
- Recipe 20.16. Setting Up a Test Environment
- Chapter 21. Performance Tuning and Load Testing
- Section 21.0. Introduction
- Recipe 21.1. Timing Function Execution
- Recipe 21.2. Timing Program Execution
- Recipe 21.3. Profiling with a Debugger Extension
- Recipe 21.4. Stress Testing Your Web Site
- Recipe 21.5. Avoiding Regular Expressions
- Recipe 21.6. Using an Accelerator
- Chapter 22. Regular Expressions
- Recipe 22.0. Introduction
- Recipe 22.1. Switching from ereg to preg
- Recipe 22.2. Matching Words
- Recipe 22.3. Finding the nth Occurrence of a Match
- Recipe 22.4. Choosing Greedy or Nongreedy Matches
- Recipe 22.5. Finding All Lines in a File That Match a Pattern
- Recipe 22.6. Capturing Text Inside HTML Tags
- Recipe 22.7. Preventing Parentheses from Capturing Text
- Recipe 22.8. Escaping Special Characters in a Regular Expression
- Recipe 22.9. Reading Records with a Pattern Separator
- Recipe 22.10. Using a PHP Function in a Regular Expression
- Chapter 23. Files
- Recipe 23.0. Introduction
- Recipe 23.1. Creating or Opening a Local File
- Recipe 23.2. Creating a Temporary File
- Recipe 23.3. Opening a Remote File
- Recipe 23.4. Reading from Standard Input
- Recipe 23.5. Reading a File into a String
- Recipe 23.6. Counting Lines, Paragraphs, or Records in a File
- Recipe 23.7. Processing Every Word in a File
- Recipe 23.8. Picking a Random Line from a File
- Recipe 23.9. Randomizing All Lines in a File
- Recipe 23.10. Processing Variable-Length Text Fields
- Recipe 23.11. Reading Configuration Files
- Recipe 23.12. Modifying a File in Place Without a Temporary File
- Recipe 23.13. Flushing Output to a File
- Recipe 23.14. Writing to Standard Output
- Recipe 23.15. Writing to Many Filehandles Simultaneously
- Recipe 23.16. Escaping Shell Metacharacters
- Recipe 23.17. Passing Input to a Program
- Recipe 23.18. Reading Standard Output from a Program
- Recipe 23.19. Reading Standard Error from a Program
- Recipe 23.20. Locking a File
- Recipe 23.21. Reading and Writing Custom File Types
- Recipe 23.22. Reading and Writing Compressed Files
- Chapter 24. Directories
- Recipe 24.0. Introduction
- Recipe 24.1. Getting and Setting File Timestamps
- Recipe 24.2. Getting File Information
- Recipe 24.3. Changing File Permissions or Ownership
- Recipe 24.4. Splitting a Filename into Its Component Parts
- Recipe 24.5. Deleting a File
- Recipe 24.6. Copying or Moving a File
- Recipe 24.7. Processing All Files in a Directory
- Recipe 24.8. Getting a List of Filenames Matching a Pattern
- Recipe 24.9. Processing All Files in a Directory Recursively
- Recipe 24.10. Making New Directories
- Recipe 24.11. Removing a Directory and Its Contents
- Recipe 24.12. Program: Web Server Directory Listing
- Recipe 24.13. Program: Site Search
- Chapter 25. Command-Line PHP
- Section 25.0. Introduction
- Recipe 25.1. Parsing Program Arguments
- Recipe 25.2. Parsing Program Arguments with getopt
- Recipe 25.3. Reading from the Keyboard
- Recipe 25.4. Running PHP Code on Every Line of an Input File
- Recipe 25.5. Reading Passwords
- Recipe 25.6. Program: Command Shell
- Chapter 26. PEAR and PECL
- Section 26.0. Introduction
- Recipe 26.1. Using the PEAR Installer
- Recipe 26.2. Finding PEAR Packages
- Recipe 26.3. Finding Information About a Package
- Recipe 26.4. Installing PEAR Packages
- Recipe 26.5. Upgrading PEAR Packages
- Recipe 26.6. Uninstalling PEAR Packages
- Recipe 26.7. Installing PECL Packages
- Colophon
- Index
- SYMBOL
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Z
PHP Cookbook: Solutions and Examples for PHP Programmers
ISBN: 0596101015
EAN: 2147483647
EAN: 2147483647
Year: 2006
Pages: 445
Pages: 445
Authors: Adam Trachtenberg, David Sklar