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PHP Cookbook [Pehme köide]

3.95/5 (442 hinnangut Goodreads-ist)

Adam Trachtenberg, David F. Sklar

Formaat: Paperback / softback, 610 pages, kõrgus x laius x paksus: 233x179x32 mm, kaal: 890 g, index
Ilmumisaeg: 24-Dec-2002
Kirjastus: O'Reilly Media
ISBN-10: 1565926811
ISBN-13: 9781565926813

Teised raamatud teemal:

Web programming
Internet guides & online services - (Hetkel poes: 3 nimetust)

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Formaat: Paperback / softback, 610 pages, kõrgus x laius x paksus: 233x179x32 mm, kaal: 890 g, index
Ilmumisaeg: 24-Dec-2002
Kirjastus: O'Reilly Media
ISBN-10: 1565926811
ISBN-13: 9781565926813

Teised raamatud teemal:

Web programming
Internet guides & online services - (Hetkel poes: 3 nimetust)

Püsilink: https://www.kriso.ee/db/9781565926813.html

Märksõnad:

Offers instructions for creating programs to do tasks including fetching URLs and generating bar charts using the open source scripting language, covering topics such as data types, regular expressions, encryption, and PEAR.

PHP is a simple yet powerful open source scripting language that has become a big player in web development. Over a million web sites, from large corporate sites to small personal sites, are using PHP to serve dynamic web content. PHP's broad feature set, approachable syntax, and support for different operating systems and web servers make it an ideal language for rapid web development.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. For every problem addressed in the book, there's a worked-out solution or "recipe" -- short, focused pieces of code that you can insert directly into your applications. But this book offers more than cut-and-paste code. You also get explanations of how and why the code works, so you can learn to adapt the problem-solving techniques to similar situations.The recipes in the PHP Cookbook range from simple tasks, such as sending a database query and fetching URLs, to entire programs that demonstrate complex tasks, such as printing HTML tables and generating bar charts. This book contains over 250 recipes on the following topics:

Working with basic data types, including strings, numbers, dates and times, and arrays
PHP building blocks, such as variables, functions, classes, and objects
Web programming, including forms, database access, and XML
Useful features like regular expressions, encryption and security, graphics, internationalization and localization, and Internet services
Working with files and directories
Command-line PHP and PHP-GTK
PEAR, the PHP Extension and Application Repository

This book contains an impressive collection of useful code for PHP programmers, from novices to advanced practitioners. Instead of poking around mailing lists, online documentation, and other sources, you can rely on the PHP Cookbook to provide quick solutions to common problems, so you can spend your time on those out-of-the-ordinary problems specific to your application.

Arvustused

"This book is absolutely packed with quick solutions to common obstacles or ideas in PHP. The chapters on security are worth their weight in gold, as you'll learn how to properly protect your site against unauthorised use." .NET, February 2004

Preface

Strings

(23)

Accessing Substrings

(2)

Replacing Substrings

(1)

Processing a String One Character at a Time

(1)

Reversing a String by Word or Character

(1)

Expanding and Compressing Tabs

(2)

Controlling Case

(2)

Interpolating Functions and Expressions Within Strings

(1)

Trimming Blanks from a String

(1)

Parsing Comma-Separated Data

(1)

Parsing Fixed-Width Delimited Data

(2)

Taking Strings Apart

(3)

Wrapping Text at a Certain Line Length

(1)

Storing Binary Data in Strings

(3)

Numbers

(18)

Checking Whether a String Contains a Valid Number

(1)

Comparing Floating-Point Numbers

(1)

Rounding Floating-Point Numbers

(1)

Operating on a Series of Integers

(1)

Generating Random Numbers Within a Range

(2)

Generating Biased Random Numbers

(1)

Taking Logarithms

(1)

Calculating Exponents

(1)

Formatting Numbers

(1)

Printing Correct Plurals

(2)

Calculating Trigonometric Functions

(1)

Doing Trigonometry in Degrees, not Radians

(1)

Handling Very Large or Very Small Numbers

(2)

Converting Between Bases

(1)

Calculating Using Numbers in Bases Other Than Decimal

(2)

Dates and Times

(33)

Finding the Current Date and Time

(3)

Converting Time and Date Parts to an Epoch Timestamp

(1)

Converting an Epoch Timestamp to Time and Date Parts

(1)

Printing a Date or Time in a Specified Format

(4)

Finding the Difference of Two Dates

(2)

Finding the Difference of Two Dates with Julian Days

(1)

Finding the Day in a Week, Month, Year, or the Week Number in a Year

(2)

Validating a Date

(2)

Parsing Dates and Times from Strings

(2)

Adding to or Subtracting from a Date

(1)

Calculating Time with Time Zones

(5)

Accounting for Daylight Saving Time

(1)

Generating a High-Precision Time

(1)

Generating Time Ranges

(1)

Using Non-Gregorian Calendars

(1)

Program: Calendar

(4)

Arrays

(42)

Specifying an Array Not Beginning at Element 0

(1)

Storing Multiple Elements per Key in an Array

(1)

Initializing an Array to a Range of Integers

(1)

Iterating Through an Array

(2)

Deleting Elements from an Array

(2)

Changing Array Size

(2)

Appending One Array to Another

(2)

Turning an Array into a String

(2)

Printing an Array with Commas

(1)

Checking if a Key Is in an Array

(1)

Checking if an Element Is in an Array

(2)

Finding the Position of an Element in an Array

(1)

Finding Elements That Pass a Certain Test

(1)

Finding the Largest or Smallest Valued Element in an Array

(1)

Reversing an Array

(1)

Sorting an Array

(1)

Sorting an Array by a Computable Field

(2)

Sorting Multiple Arrays

101

(2)

Sorting an Array Using a Method Instead of a Function

103

(1)

Randomizing an Array

104

(1)

Shuffling a Deck of Cards

105

(1)

Removing Duplicate Elements from an Array

106

(1)

Finding the Union, Intersection, or Difference of Two Arrays

107

(2)

Finding All Element Combinations of an Array

109

(2)

Finding All Permutations of an Array

111

(3)

Program: Printing an Array in a Horizontally Columned HTML Table

114

(3)

Variables

117

(14)

Avoiding == Versus = Confusion

118

(1)

Establishing a Default Value

119

(1)

Exchanging Values Without Using Temporary Variables

120

(1)

Creating a Dynamic Variable Name

120

(2)

Using Static Variables

122

(1)

Sharing Variables Between Processes

123

(2)

Encapsulating Complex Data Types as a String

125

(2)

Dumping Variable Contents as Strings

127

(4)

Functions

131

(17)

Accessing Function Parameters

132

(1)

Setting Default Values for Function Parameters

133

(2)

Passing Values by Reference

135

(1)

Using Named Parameters

136

(1)

Creating Functions That Take a Variable Number of Arguments

137

(3)

Returning Values by Reference

140

(1)

Returning More Than One Value

140

(2)

Skipping Selected Return Values

142

(1)

Returning Failure

143

(1)

Calling Variable Functions

144

(1)

Accessing a Global Variable Inside a Function

145

(2)

Creating Dynamic Functions

147

(1)

Classes and Objects

148

(20)

Instantiating Objects

152

(1)

Defining Object Constructors

153

(1)

Destroying an Object

154

(1)

Cloning Objects

154

(1)

Assigning Object References

155

(1)

Calling Methods on an Object Returned by Another Method

156

(1)

Accessing Overridden Methods

157

(2)

Using Property Overloading

159

(1)

Using Method Polymorphism

160

(3)

Finding the Methods and Properties of an Object

163

(1)

Adding Properties to a Base Object

164

(1)

Creating a Class Dynamically

165

(1)

Instantiating an Object Dynamically

166

(2)

Web Basics

168

(48)

Setting Cookies

169

(2)

Reading Cookie Values

171

(1)

Deleting Cookies

171

(1)

Redirecting to a Different Location

172

(1)

Using Session Tracking

173

(2)

Storing Sessions in a Database

175

(4)

Detecting Different Browsers

179

(1)

Building a GET Query String

180

(2)

Using HTTP Basic Authentication

182

(2)

Using Cookie Authentication

184

(3)

Flushing Output to the Browser

187

(1)

Buffering Output to the Browser

187

(2)

Compressing Web Output with gzip

189

(1)

Hiding Error Messages from Users

190

(1)

Tuning Error Handling

191

(2)

Using a Custom Error Handler

193

(1)

Logging Errors

194

(1)

Eliminating ``headers already sent'' Errors

195

(2)

Logging Debugging Information

197

(2)

Reading Environment Variables

199

(1)

Setting Environment Variables

200

(1)

Reading Configuration Variables

201

(1)

Setting Configuration Variables

202

(1)

Communicating Within Apache

203

(1)

Profiling Code

204

(4)

Program: Website Account (De)activator

208

(2)

Program: Abusive User Checker

210

(6)

Forms

216

(22)

Processing Form Input

218

(1)

Validating Form Input

219

(2)

Working with Multipage Forms

221

(3)

Redisplaying Forms with Preserved Information and Error Messages

224

(3)

Guarding Against Multiple Submission of the Same Form

227

(2)

Processing Uploaded Files

229

(2)

Securing PHP's Form Processing

231

(2)

Escaping Control Characters from User Data

233

(1)

Handling Remote Variables with Periods in Their Names

234

(1)

Using Form Elements with Multiple Options

235

(1)

Creating Dropdown Menus Based on the Current Date

236

(2)

Database Access

238

(43)

Using Text-File Databases

243

(1)

Using DBM Databases

244

(4)

Connecting to a SQL Database

248

(2)

Querying a SQL Database

250

(2)

Retrieving Rows Without a Loop

252

(2)

Modifying Data in a SQL Database

254

(1)

Repeating Queries Efficiently

255

(2)

Finding the Number of Rows Returned by a Query

257

(1)

Escaping Quotes

258

(1)

Logging Debugging Information and Errors

259

(3)

Assigning Unique ID Values Automatically

262

(1)

Building Queries Programmatically

263

(4)

Making Paginated Links for a Series of Records

267

(5)

Caching Queries and Results

272

(2)

Program: Storing a Threaded Message Board

274

(7)

Web Automation

281

(28)

Fetching a URL with the GET Method

283

(2)

Fetching a URL with the POST Method

285

(2)

Fetching a URL with Cookies

287

(2)

Fetching a URL with Headers

289

(1)

Fetching an HTTPS URL

290

(1)

Debugging the Raw HTTP Exchange

290

(3)

Marking Up a Web Page

293

(2)

Extracting Links from an HTML File

295

(1)

Converting ASCII to HTML

296

(1)

Converting HTML to ASCII

297

(1)

Removing HTML and PHP Tags

298

(1)

Using Smarty Templates

299

(2)

Parsing a Web Server Log File

301

(2)

Program: Finding Stale Links

303

(2)

Program: Finding Fresh Links

305

(4)

XML

309

(34)

Generating XML Manually

311

(2)

Generating XML with the DOM

313

(3)

Parsing XML with the DOM

316

(3)

Parsing XML with SAX

319

(4)

Transforming XML with XSLT

323

(3)

Sending XML-RPC Requests

326

(3)

Receiving XML-RPC Requests

329

(4)

Sending SOAP Requests

333

(3)

Receiving SOAP Requests

336

(2)

Exchanging Data with WDDX

338

(2)

Reading RSS Feeds

340

(3)

Regular Expressions

343

(18)

Switching From ereg to preg

346

(2)

Matching Words

348

(1)

Finding the nth Occurrence of a Match

349

(1)

Choosing Greedy or Nongreedy Matches

350

(2)

Matching a Valid Email Address

352

(3)

Finding All Lines in a File That Match a Pattern

355

(1)

Capturing Text Inside HTML Tags

355

(2)

Escaping Special Characters in a Regular Expression

357

(2)

Reading Records with a Pattern Separator

359

(2)

Encryption and Security

361

(22)

Keeping Passwords Out of Your Site Files

362

(1)

Obscuring Data with Encoding

363

(1)

Verifying Data with Hashes

364

(2)

Storing Passwords

366

(1)

Checking Password Strength

367

(2)

Dealing with Lost Passwords

369

(2)

Encrypting and Decrypting Data

371

(4)

Storing Encrypted Data in a File or Database

375

(3)

Sharing Encrypted Data with Another Web Site

378

(2)

Detecting SSL

380

(1)

Encrypting Email with GPG

381

(2)

Graphics

383

(25)

Drawing Lines, Rectangles, and Polygons

386

(2)

Drawing Arcs, Ellipses, and Circles

388

(2)

Drawing with Patterned Lines

390

(1)

Drawing Text

391

(3)

Drawing Centered Text

394

(4)

Building Dynamic Images

398

(3)

Getting and Setting a Transparent Color

401

(1)

Serving Images Securely

402

(1)

Program: Generating Bar Charts from Poll Results

403

(5)

Internationalization and Localization

408

(18)

Listing Available Locales

409

(1)

Using a Particular Locale

410

(1)

Setting the Default Locale

411

(1)

Localizing Text Messages

412

(3)

Localizing Dates and Times

415

(1)

Localizing Currency Values

416

(3)

Localizing Images

419

(1)

Localizing Included Files

420

(1)

Managing Localization Resources

421

(2)

Using gettext

423

(1)

Reading or Writing Unicode Characters

424

(2)

Internet Services

426

(28)

Sending Mail

427

(3)

Sending MIME Mail

430

(2)

Reading Mail with IMAP or POP3

432

(3)

Posting Messages to Usenet Newsgroups

435

(2)

Reading Usenet News Messages

437

(5)

Getting and Putting Files with FTP

442

(2)

Looking Up Addresses with LDAP

444

(2)

Using LDAP for User Authentication

446

(2)

Performing DNS Lookups

448

(2)

Checking if a Host Is Alive

450

(1)

Getting Information About a Domain Name

451

(3)

Files

454

(39)

Creating or Opening a Local File

457

(2)

Creating a Temporary File

459

(1)

Opening a Remote File

460

(1)

Reading from Standard Input

460

(1)

Reading a File into a String

461

(2)

Counting Lines, Paragraphs, or Records in a File

463

(2)

Processing Every Word in a File

465

(2)

Reading a Particular Line in a File

467

(1)

Processing a File Backward by Line or Paragraph

468

(1)

Picking a Random Line from a File

468

(1)

Randomizing All Lines in a File

469

(1)

Processing Variable Length Text Fields

470

(1)

Reading Configuration Files

471

(3)

Reading from or Writing to a Specific Location in a File

474

(1)

Removing the Last Line of a File

475

(2)

Modifying a File in Place Without a Temporary File

477

(2)

Flushing Output to a File

479

(1)

Writing to Standard Output

479

(1)

Writing to Many Filehandles Simultaneously

480

(1)

Escaping Shell Metacharacters

481

(2)

Passing Input to a Program

483

(1)

Reading Standard Output from a Program

484

(1)

Reading Standard Error from a Program

485

(1)

Locking a File

486

(3)

Reading and Writing Compressed Files

489

(1)

Program: Unzip

490

(3)

Directories

493

(25)

Getting and Setting File Timestamps

496

(1)

Getting File Information

497

(1)

Changing File Permissions or Ownership

498

(1)

Splitting a Filename into Its Component Parts

499

(2)

Deleting a File

501

(1)

Copying or Moving a File

501

(1)

Processing All Files in a Directory

502

(1)

Getting a List of Filenames Matching a Pattern

503

(1)

Processing All Files in a Directory

504

(3)

Making New Directories

507

(1)

Removing a Directory and Its Contents

508

(1)

Program: Web Server Directory Listing

509

(5)

Program: Site Search

514

(4)

Client-Side PHP

518

(34)

Parsing Program Arguments

522

(1)

Parsing Program Arguments with getopt

523

(4)

Reading from the Keyboard

527

(1)

Reading Passwords

528

(3)

Displaying a GUI Widget in a Window

531

(1)

Displaying Multiple GUI Widgets in a Window

532

(3)

Responding to User Actions

535

(2)

Displaying Menus

537

(3)

Program: Command Shell

540

(3)

Program: Displaying Weather Conditions

543

(9)

PEAR

552

(17)

Using the PEAR Package Manager

554

(2)

Finding PEAR Packages

556

(2)

Finding Information About a Package

558

(1)

Installing PEAR Packages

559

(2)

Installing PECL Packages

561

(1)

Upgrading PEAR Packages

562

(2)

Uninstalling PEAR Packages

564

(1)

Documenting Classes with PHPDoc

564

(5)

Index

569

David Sklar is an independent consultant in New York City. He was co-founder and Chief Technology Officer of two companies: Student.Com and TVGrid.Com. Mr. Sklar holds a BS in Computer Science from Yale University. Adam Trachtenberg lives in New York City and is currently working on his MBA from Columbia Business School. Before returning to school, he co-founded two companies: Student.Com and TVGrid.Com, where he served both as Vice President for Development. Mr. Trachtenberg also has a BA in Mathematics from Columbia University.

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