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PHP Cookbook

Опубликовано на портале: 14-11-2006
Изд-во: O'Reilly Media, 2002, cерия "Cookbooks", 632 с.
The PHP Cookbook is a collection of problems, solutions, and practical examples for PHP programmers. The book contains a unique and extensive collection of best practices for everyday PHP programming dilemmas. It contains over 250 recipes, ranging from simple tasks to entire programs that demonstrate complex tasks, such as printing HTML tables and generating bar charts -- a treasure trove of useful code for PHP programmers, from novices to advanced practitioners.

Preface

1. Strings
      1.1 Accessing Substrings
      1.2 Replacing Substrings
      1.3 Processing a String One Character at a Time
      1.4 Reversing a String by Word or Character
      1.5 Expanding and Compressing Tabs
      1.6 Controlling Case
      1.7 Interpolating Functions and Expressions Within Strings
      1.8 Trimming Blanks from a String
      1.9 Parsing Comma-Separated Data
      1.10 Parsing Fixed-Width Delimited Data
      1.11 Taking Strings Apart
      1.12 Wrapping Text at a Certain Line Length
      1.13 Storing Binary Data in Strings

2. Numbers
      2.1 Checking Whether a String Contains a Valid Number
      2.2 Comparing Floating-Point Numbers
      2.3 Rounding Floating-Point Numbers
      2.4 Operating on a Series of Integers
      2.5 Generating Random Numbers Within a Range
      2.6 Generating Biased Random Numbers
      2.7 Taking Logarithms
      2.8 Calculating Exponents
      2.9 Formatting Numbers
      2.10 Printing Correct Plurals
      2.11 Calculating Trigonometric Functions
      2.12 Doing Trigonometry in Degrees, not Radians
      2.13 Handling Very Large or Very Small Numbers
      2.14 Converting Between Bases
      2.15 Calculating Using Numbers in Bases Other Than Decimal

3. Dates and Times
      3.1 Finding the Current Date and Time
      3.2 Converting Time and Date Parts to an Epoch Timestamp
      3.3 Converting an Epoch Timestamp to Time and Date Parts
      3.4 Printing a Date or Time in a Specified Format
      3.5 Finding the Difference of Two Dates
      3.6 Finding the Difference of Two Dates with Julian Days
      3.7 Finding the Day in a Week, Month, Year, or the Week Number in a Year
      3.8 Validating a Date
      3.9 Parsing Dates and Times from Strings
      3.10 Adding to or Subtracting from a Date
      3.11 Calculating Time with Time Zones
      3.12 Accounting for Daylight Saving Time
      3.13 Generating a High-Precision Time
      3.14 Generating Time Ranges
      3.15 Using Non-Gregorian Calendars
      3.16 Program: Calendar

4. Arrays
      4.1 Specifying an Array Not Beginning at Element 0
      4.2 Storing Multiple Elements per Key in an Array
      4.3 Initializing an Array to a Range of Integers
      4.4 Iterating Through an Array
      4.5 Deleting Elements from an Array
      4.6 Changing Array Size
      4.7 Appending One Array to Another
      4.8 Turning an Array into a String
      4.9 Printing an Array with Commas
      4.10 Checking if a Key Is in an Array
      4.11 Checking if an Element Is in an Array
      4.12 Finding the Position of an Element in an Array
      4.13 Finding Elements That Pass a Certain Test
      4.14 Finding the Largest or Smallest Valued Element in an Array
      4.15 Reversing an Array
      4.16 Sorting an Array
      4.17 Sorting an Array by a Computable Field
      4.18 Sorting Multiple Arrays
      4.19 Sorting an Array Using a Method Instead of a Function
      4.20 Randomizing an Array
      4.21 Shuffling a Deck of Cards
      4.22 Removing Duplicate Elements from an Array
      4.23 Finding the Union, Intersection, or Difference of Two Arrays
      4.24 Finding All Element Combinations of an Array
      4.25 Finding All Permutations of an Array
      4.26 Program: Printing an Array in a Horizontally Columned HTML Table

5. Variables
      5.1 Avoiding == Versus = Confusion
      5.2 Establishing a Default Value
      5.3 Exchanging Values Without Using Temporary Variables
      5.4 Creating a Dynamic Variable Name
      5.5 Using Static Variables
      5.6 Sharing Variables Between Processes
      5.7 Encapsulating Complex Data Types as a String
      5.8 Dumping Variable Contents as Strings

6. Functions
      6.1 Accessing Function Parameters
      6.2 Setting Default Values for Function Parameters
      6.3 Passing Values by Reference
      6.4 Using Named Parameters
      6.5 Creating Functions That Take a Variable Number of Arguments
      6.6 Returning Values by Reference
      6.7 Returning More Than One Value
      6.8 Skipping Selected Return Values
      6.9 Returning Failure
      6.10 Calling Variable Functions
      6.11 Accessing a Global Variable Inside a Function
      6.12 Creating Dynamic Functions

7. Classes and Objects
      7.1 Instantiating Objects
      7.2 Defining Object Constructors
      7.3 Destroying an Object
      7.4 Cloning Objects
      7.5 Assigning Object References
      7.6 Calling Methods on an Object Returned by Another Method
      7.7 Accessing Overridden Methods
      7.8 Using Property Overloading
      7.9 Using Method Polymorphism
      7.10 Finding the Methods and Properties of an Object
      7.11 Adding Properties to a Base Object
      7.12 Creating a Class Dynamically
      7.13 Instantiating an Object Dynamically

8. Web Basics
      8.1 Setting Cookies
      8.2 Reading Cookie Values
      8.3 Deleting Cookies
      8.4 Redirecting to a Different Location
      8.5 Using Session Tracking
      8.6 Storing Sessions in a Database
      8.7 Detecting Different Browsers
      8.8 Building a GET Query String
      8.9 Using HTTP Basic Authentication
      8.10 Using Cookie Authentication
      8.11 Flushing Output to the Browser
      8.12 Buffering Output to the Browser
      8.13 Compressing Web Output with gzip
      8.14 Hiding Error Messages from Users
      8.15 Tuning Error Handling
      8.16 Using a Custom Error Handler
      8.17 Logging Errors
      8.18 Eliminating "headers already sent" Errors
      8.19 Logging Debugging Information
      8.20 Reading Environment Variables
      8.21 Setting Environment Variables
      8.22 Reading Configuration Variables
      8.23 Setting Configuration Variables
      8.24 Communicating Within Apache
      8.25 Profiling Code
      8.26 Program: Website Account (De)activator
      8.27 Program: Abusive User Checker

9. Forms
      9.1 Processing Form Input
      9.2 Validating Form Input
      9.3 Working with Multipage Forms
      9.4 Redisplaying Forms with Preserved Information and Error Messages
      9.5 Guarding Against Multiple Submission of the Same Form
      9.6 Processing Uploaded Files
      9.7 Securing PHP's Form Processing
      9.8 Escaping Control Characters from User Data
      9.9 Handling Remote Variables with Periods in Their Names
      9.10 Using Form Elements with Multiple Options
      9.11 Creating Dropdown Menus Based on the Current Date

10. Database Access
      10.1 Using Text-File Databases
      10.2 Using DBM Databases
      10.3 Connecting to a SQL Database
      10.4 Querying a SQL Database
      10.5 Retrieving Rows Without a Loop
      10.6 Modifying Data in a SQL Database
      10.7 Repeating Queries Efficiently
      10.8 Finding the Number of Rows Returned by a Query
      10.9 Escaping Quotes
      10.10 Logging Debugging Information and Errors
      10.11 Assigning Unique ID Values Automatically
      10.12 Building Queries Programmatically
      10.13 Making Paginated Links for a Series of Records
      10.14 Caching Queries and Results
      10.15 Program: Storing a Threaded Message Board

11. Web Automation
      11.1 Fetching a URL with the GET Method
      11.2 Fetching a URL with the POST Method
      11.3 Fetching a URL with Cookies
      11.4 Fetching a URL with Headers
      11.5 Fetching an HTTPS URL
      11.6 Debugging the Raw HTTP Exchange
      11.7 Marking Up a Web Page
      11.8 Extracting Links from an HTML File
      11.9 Converting ASCII to HTML
      11.10 Converting HTML to ASCII
      11.11 Removing HTML and PHP Tags
      11.12 Using Smarty Templates
      11.13 Parsing a Web Server Log File
      11.14 Program: Finding Stale Links
      11.15 Program: Finding Fresh Links

12. XML
      12.1 Generating XML Manually
      12.2 Generating XML with the DOM
      12.3 Parsing XML with the DOM
      12.4 Parsing XML with SAX
      12.5 Transforming XML with XSLT
      12.6 Sending XML-RPC Requests
      12.7 Receiving XML-RPC Requests
      12.8 Sending SOAP Requests
      12.9 Receiving SOAP Requests
      12.10 Exchanging Data with WDDX
      12.11 Reading RSS Feeds

13. Regular Expressions
      13.1 Switching From ereg to preg
      13.2 Matching Words
      13.3 Finding the nth Occurrence of a Match
      13.4 Choosing Greedy or Nongreedy Matches
      13.5 Matching a Valid Email Address
      13.6 Finding All Lines in a File That Match a Pattern
      13.7 Capturing Text Inside HTML Tags
      13.8 Escaping Special Characters in a Regular Expression
      13.9 Reading Records with a Pattern Separator

14. Encryption and Security
      14.1 Keeping Passwords Out of Your Site Files
      14.2 Obscuring Data with Encoding
      14.3 Verifying Data with Hashes
      14.4 Storing Passwords
      14.5 Checking Password Strength
      14.6 Dealing with Lost Passwords
      14.7 Encrypting and Decrypting Data
      14.8 Storing Encrypted Data in a File or Database
      14.9 Sharing Encrypted Data with Another Web Site
      14.10 Detecting SSL
      14.11 Encrypting Email with GPG

15. Graphics
      15.1 Drawing Lines, Rectangles, and Polygons
      15.2 Drawing Arcs, Ellipses, and Circles
      15.3 Drawing with Patterned Lines
      15.4 Drawing Text
      15.5 Drawing Centered Text
      15.6 Building Dynamic Images
      15.7 Getting and Setting a Transparent Color
      15.8 Serving Images Securely
      15.9 Program: Generating Bar Charts from Poll Results

16. Internationalization and Localization
      16.1 Listing Available Locales
      16.2 Using a Particular Locale
      16.3 Setting the Default Locale
      16.4 Localizing Text Messages
      16.5 Localizing Dates and Times
      16.6 Localizing Currency Values
      16.7 Localizing Images
      16.8 Localizing Included Files
      16.9 Managing Localization Resources
      16.10 Using gettext
      16.11 Reading or Writing Unicode Characters

17. Internet Services
      17.1 Sending Mail
      17.2 Sending MIME Mail
      17.3 Reading Mail with IMAP or POP3
      17.4 Posting Messages to Usenet Newsgroups
      17.5 Reading Usenet News Messages
      17.6 Getting and Putting Files with FTP
      17.7 Looking Up Addresses with LDAP
      17.8 Using LDAP for User Authentication
      17.9 Performing DNS Lookups
      17.10 Checking if a Host Is Alive
      17.11 Getting Information About a Domain Name

18. Files
      18.1 Creating or Opening a Local File
      18.2 Creating a Temporary File
      18.3 Opening a Remote File
      18.4 Reading from Standard Input
      18.5 Reading a File into a String
      18.6 Counting Lines, Paragraphs, or Records in a File
      18.7 Processing Every Word in a File
      18.8 Reading a Particular Line in a File
      18.9 Processing a File Backward by Line or Paragraph
      18.10 Picking a Random Line from a File
      18.11 Randomizing All Lines in a File
      18.12 Processing Variable Length Text Fields
      18.13 Reading Configuration Files
      18.14 Reading from or Writing to a Specific Location in a File
      18.15 Removing the Last Line of a File
      18.16 Modifying a File in Place Without a Temporary File
      18.17 Flushing Output to a File
      18.18 Writing to Standard Output
      18.19 Writing to Many Filehandles Simultaneously
      18.20 Escaping Shell Metacharacters
      18.21 Passing Input to a Program
      18.22 Reading Standard Output from a Program
      18.23 Reading Standard Error from a Program
      18.24 Locking a File
      18.25 Reading and Writing Compressed Files
      18.26 Program: Unzip

19. Directories
      19.1 Getting and Setting File Timestamps
      19.2 Getting File Information
      19.3 Changing File Permissions or Ownership
      19.4 Splitting a Filename into Its Component Parts
      19.5 Deleting a File
      19.6 Copying or Moving a File
      19.7 Processing All Files in a Directory
      19.8 Getting a List of Filenames Matching a Pattern
      19.9 Processing All Files in a Directory
      19.10 Making New Directories
      19.11 Removing a Directory and Its Contents
      19.12 Program: Web Server Directory Listing
      19.13 Program: Site Search

20. Client-Side PHP
      20.1 Parsing Program Arguments
      20.2 Parsing Program Arguments with getopt
      20.3 Reading from the Keyboard
      20.4 Reading Passwords
      20.5 Displaying a GUI Widget in a Window
      20.6 Displaying Multiple GUI Widgets in a Window
      20.7 Responding to User Actions
      20.8 Displaying Menus
      20.9 Program: Command Shell
      20.10 Program: Displaying Weather Conditions

21. PEAR
      21.1 Using the PEAR Package Manager
      21.2 Finding PEAR Packages
      21.3 Finding Information About a Package
      21.4 Installing PEAR Packages
      21.5 Installing PECL Packages
      21.6 Upgrading PEAR Packages
      21.7 Uninstalling PEAR Packages
      21.8 Documenting Classes with PHPDoc

Index


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