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PHP and MySQL by Example

by: Quigley, Ellie; Gargenta, Marko

PHP and MySQL by Example

by: Quigley, Ellie; Gargenta, Marko

ISBN 13:
9780131875081
ISBN 10:
0131875086
Edition: 1st
Format: Paperback
Copyright: 11/22/2006
Publisher: Prentice Hall

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Summary

A gentle introduction to building dynamic, database-driven websites for designers with no previous programming experience.

Preface

xxiii

Acknowledgments

xxiv

Introduction

(12)

From Static to Dynamic Web Sites

(3)

Static Web Sites

(1)

Dynamic Web Sites

(1)

What Is Open Source?

(1)

About PHP

(3)

Where to Get PHP and Documentation

(2)

About MySQL

(4)

Where to Get MySQL and Documentation

(1)

Features of MySQL

(2)

How to Install MySQL and PHP

(1)

Advantages of MySQL and PHP

(1)

High Performance

(1)

Built-In Libraries

(1)

Extensibility

(1)

Relatively Low Cost

(1)

Portability

(1)

Developer Community

(1)

Ease of Learning

(1)

Chapter Summary

(2)

What You Should Know

(1)

What's Next?

(2)

Getting Started

(28)

The Life Cycle of a Web Page

(2)

Analysis of a Web Page

(1)

The Players

(1)

The Steps

(1)

The Anatomy of a PHP Script

(6)

The Steps of Writing a PHP Script

(1)

Finding a Text Editor

(1)

Naming the PHP File---The .php Extension

(1)

PHP Tags

(1)

Additional PHP Tags

(1)

Where to Save the Script

(1)

The Script Content

(1)

Quoting in Strings

(1)

Printing Strings

(1)

Executing the Script

(1)

Some Things to Consider

(10)

PHP and HTML Are Different Languages

(2)

Statements, Whitespace, and Line Breaks

(2)

Comments

(2)

Using PHP Functions

(4)

Review

(6)

PHP on the Command Line

(1)

Finding the Version of PHP

(1)

Script Execution at the Command Line

(2)

Running PHP Interactively

(1)

PHP Command-Line Options

(1)

The php.ini File

(2)

Chapter Summary

(4)

What You Should Know

(1)

What's Next?

(1)

Lab

(3)

PHP Quick Start

(18)

Quick Start, Quick Reference

(16)

A Note to Programmers

(1)

A Note to Nonprogrammers

(1)

PHP Syntax and Constructs

(15)

Chapter Summary

(2)

What's Next?

(2)

The Building Blocks: Data Types, Literals, Variables, and Constants

(48)

Data Types

(11)

Numeric Literals

(2)

String Literals and Quoting

(2)

The Here Document---A Special Kind of Quoting

(2)

Escape Sequences

(2)

Boolean Literals

(1)

Special Data Types

(1)

Null

(1)

Resource

(1)

The gettype() Function

(1)

Variables

(29)

Definition and Assignment

(1)

Valid Names

(1)

Declaring and Initializing Variables

(1)

Double, Single, and Backquotes in Assignment Statements

(3)

Displaying Variables

(1)

The print and echo Constructs

(1)

Shortcut Tags

(2)

Variables and Mixed Data Types

(1)

Type Casting

(1)

Concatenation and Variables

(1)

References

(2)

Variable Variables (Dynamic Variables)

(2)

Scope of Variables

(1)

Local Variables

(1)

Global and Environment Variables

(1)

Managing Variables

(1)

The isset() Function

(3)

The empty() Function

(1)

The unset() Function

(1)

Introduction to Form Variables

(1)

The php.ini File and register_globals

(1)

How PHP Handles Form Input

(4)

Extracting the Data by Request

(3)

Predefined Variables

(1)

Constants

(5)

What Is a Constant?

(1)

Creating Constants with the define() Function

100

(2)

The constant() Function

102

(1)

Predefined and ``Magic'' Constants

102

(2)

Chapter Summary

104

(3)

What You Should Know

104

(1)

What's Next?

105

(1)

Lab

105

(2)

Operators

107

(42)

About PHP Operators and Expressions

107

(38)

Assignment

108

(1)

Precedence and Associativity

108

(4)

Arithmetic Operators

112

(1)

Short Circuit Assignment Operators

113

(2)

Autoincrement and Autodecrement Operators

115

(1)

The Autoincrement/Autodecrement and Assignment

115

(2)

Some Useful Math Functions

117

(1)

Casting Operators

118

(2)

Concatention Operator

120

(2)

Comparison Operators

122

(1)

What Is Equal?

122

(1)

What Is Identical?

123

(1)

Comparing Numbers

124

(1)

Comparing Strings

125

(1)

Logical Operators

126

(1)

The && (and) Operator, the Logical AND

127

(3)

The || (or) Operator

130

(2)

The Difference Between &&/|| and the Words and/or

132

(2)

The Logical XOR Operator

134

(1)

The ! Operator

135

(3)

The Conditional Operator

138

(2)

Bitwise Operators

140

(1)

A Little Bit About Bits

140

(1)

Using Bitwise Operators

140

(1)

Bitwise Shift Operators

141

(2)

Execution Operators

143

(1)

Error Control Operator

143

(1)

Adding the @ Operator

144

(1)

Type Operators

145

(1)

Chapter Summary

145

(4)

What You Should Know

145

(1)

What's Next?

146

(1)

Lab

146

(3)

Strings

149

(72)

What Is a String?

149

(6)

Quotes

150

(1)

Single Quotes

150

(1)

Quoting Errors

151

(1)

Double Quotes

152

(1)

String Operators

152

(1)

Concatenation

152

(2)

Equal and Identical

154

(1)

String Functions

155

(59)

Formatting and Printing Strings

155

(1)

The printf() Function

156

(3)

The sprintf() Function

159

(1)

The fprintf() Function

160

(1)

Formatting Numbers and Money

160

(1)

The number_format() Function

161

(1)

The money_format() Function

162

(1)

Finding the Length of a String

163

(1)

The strlen() Function

163

(1)

Finding the Number of Words in a String

164

(1)

The str_word_count() Function

164

(1)

Changing the Case of Strings

164

(1)

The strtoupper() and strtolower() Functions

165

(1)

The ucfirst() and ucwords() Functions

165

(1)

The mb_convert_case() Function

166

(1)

Comparing Strings

167

(1)

The strcmp() Function (Case Sensitive)

168

(2)

The strcasecmp() Function (Case Insensitive)

170

(1)

The strncasecmp() Function (Limits Character Length)

171

(1)

The strnatcmp() Function (Natural Order Comparison)

172

(1)

The strspn() Function (Using a Mask for Comparison)

173

(1)

The strcspn() Function (Comparison Not Matching a Mask)

174

(1)

Finding Similarities in Strings

174

(1)

The soundex() and metaphone() Functions (Phonic Similarity)

174

(2)

The similar_text() and levenshtein() Functions (Textual Similarity)

176

(3)

Splitting a String

179

(1)

The strtok() Function

179

(2)

Repeating a String

181

(1)

Trimming and Padding Strings

181

(1)

The trim() Functions---trim(), ltrim(), chop(), rtrim()

182

(2)

The str_pad() Function

184

(1)

Search and Replace

185

(1)

The str_replace() and stri_replace() Functions

186

(3)

Finding a Position in a String

189

(1)

The strpos() Function

189

(2)

The strrpos() and strripos() Functions

191

(1)

Extracting Pieces of a String---Substrings

191

(1)

The strchr(), strrchr(), and strichr() Functions

192

(1)

The substr() Function

193

(3)

The substr_replace() Function

196

(2)

The substr_count() Function

198

(2)

Special Characters and Strings

200

(1)

Individual Characters and the Curly Brace Syntax

200

(1)

Line Breaks with the nl2br() and wordwrap() Functions

200

(5)

ASCII Character Values and the chr() Function

205

(1)

ASCII Character Values and the ord() Function

206

(1)

Transposing Characters and the strstr() Function

206

(1)

Slashes and the addslashes() and addcslashes() Functions

206

(2)

Slashes and the stripslashes() Function

208

(2)

Working with HTML Special Characters

210

(1)

The htmlspecialchars() Function

211

(2)

The htmlentities() Function

213

(1)

Other String Functions

214

(4)

Chapter Summary

218

(3)

What You Should Know

218

(1)

What's Next?

219

(1)

Lab

219

(2)

Conditionals and Loops

221

(26)

Control Structures, Blocks, and Compound Statements

221

(11)

Conditionals

222

(1)

if/else

222

(3)

if/elseif

225

(3)

The switch Statement

228

(4)

Loops

232

(11)

The while Loop

232

(2)

The do/while Loop

234

(1)

The for Loop

235

(1)

The for Loop and Repetitive Form Fields

236

(3)

The foreach Loop

239

(1)

Loop Control with break and continue

239

(2)

Nested Loops

241

(2)

Chapter Summary

243

(4)

What You Should Know

243

(1)

What's Next?

244

(1)

Lab

244

(3)

Arrays

247

(90)

What Is an Array?

247

(63)

Creating and Naming an Array

251

(1)

The array() Function

252

(1)

The Array Identifier []

252

(1)

The range() Function

253

(2)

The array_fill() Function

255

(2)

Accessing an Array's Elements (Values)

257

(1)

Elements of a Numeric Array

257

(2)

Elements of an Associative Array

259

(1)

Watch Those Quotes!

260

(1)

Mixing Elements in an Array

260

(2)

Printing an Array

262

(1)

The print_r() Function

262

(3)

The var_dump() Function

265

(1)

Using Loops to Access Array Elements

266

(1)

The for Loop

266

(1)

The while Loop

267

(3)

The foreach Loop

270

(2)

Modifying a Value by Reference with a foreach Loop

272

(2)

Checking If an Array Exists

274

(1)

Creating Strings from Arrays and Arrays from Strings

275

(1)

The implode() Function

276

(1)

The explode() Function

276

(2)

Finding the Size of an Array

278

(1)

The count() and sizeof() Functions

278

(1)

The array_count_values() Function

279

(2)

Extracting Keys and Values from Arrays

281

(1)

The array_keys() Function

281

(2)

The array_values() Function

283

(1)

The each() Function

284

(2)

Creating Variables from Array Elements

286

(1)

The list() Function and Numeric Arrays

286

(2)

The extract() Function and Associative Arrays

288

(5)

Multidimensional Arrays

293

(3)

Finding the Size of a Mutidimensional Array

296

(2)

Sorting Arrays

298

(1)

Alphabetic Sort of Numerically Indexed Arrays

298

(1)

Alphabetic Sort

299

(1)

Numeric Sort

300

(2)

Reversed Sort

302

(1)

Sort an Associative Array by Values

302

(1)

Sort by Value in Reverse Order

303

(2)

Sort an Associative Array by Key

305

(1)

Randomizing an Array

306

(1)

Randomizing the Keys

306

(3)

Shuffling a Numeric Array (Randomizing the Values)

309

(1)

Modifying Arrays (Unsetting, Deleting, Adding, and Changing Elements)

310

(25)

Removing an Array and Its Elements

310

(1)

Removing an Entire Array

311

(1)

Removing the Last Element of an Array

311

(2)

Removing the First Element of an Array

313

(1)

Removing Duplicate Values from an Array

314

(1)

Adding Elements to an Array

315

(1)

Adding Elements to the Beginning of an Array

315

(2)

Adding Elements to the End of an Array

317

(1)

Splicing an Array---Removing and Adding Elements

318

(2)

Copying Elements of an Array

320

(1)

The array_slice() Function

320

(2)

Combining and Merging Arrays

322

(1)

The array_combine() Function

322

(1)

The array_merge() Function

323

(1)

Merging Numerically Indexed Arrays

323

(2)

Merging Associative Arrays

325

(1)

The array_merge_recursive() Function

326

(1)

Array Operators

327

(1)

The Union Operator

327

(2)

The Equality and Identical Operators

329

(1)

More Array Functions

330

(5)

Chapter Summary

335

(2)

What You Should Know

335

(1)

What's Next?

336

(1)

Lab

336

(1)

User-Defined Functions

337

(42)

What Is a Function?

337

(39)

Function Declaration, Definition, and Invocation

338

(1)

Where to Put Functions

338

(1)

How to Define a Function

338

(1)

How to Call a Function

339

(2)

Passing Arguments

341

(1)

What Are Arguments and Parameters?

341

(1)

Passing by Value

342

(2)

Missing Arguments

344

(1)

Variable Number of Arguments

345

(2)

Setting Default Parameters

347

(2)

Passing by Reference

349

(2)

Dynamic Function Calls

351

(1)

Return Values

351

(1)

Returning a Single Value

352

(1)

Conditional Returns

353

(2)

Returning Multiple Values

355

(3)

Using Callback Functions

358

(1)

The array_map() Function

359

(1)

The array_walk_recursive() Function

360

(2)

Scope

362

(1)

Local Scope

362

(1)

Global Scope

363

(2)

The $Globals[]Array

365

(1)

Static Variables

365

(3)

Nesting Functions

368

(2)

Recursive Functions

370

(3)

Function Libraries---Requiring and Including

373

(1)

The require() and include() Constructs

373

(3)

Chapter Summary

376

(3)

What You Should Know

376

(1)

What's Next?

377

(1)

Lab

377

(2)

More on PHP Forms

379

(62)

Introduction

379

(1)

Review of HTML Forms

379

(11)

The Browser's Role

380

(1)

The GET Method

381

(1)

The POST Method

382

(1)

The Server's Role

383

(1)

Creating HTML Forms

384

(1)

The Steps to Produce a Form

385

(4)

The method Attribute

389

(1)

The action Attribute

389

(1)

PHP and Forms

390

(48)

The register_globals Directive

391

(1)

PHP Superglobals for Retrieving Form Data

392

(1)

The Request Method

393

(1)

Strange Characters in Form Field Names and User Input

393

(1)

Dots and Spaces in HTML Input Device Names

393

(2)

Stripping out Slashes

395

(1)

Form Parameters the $_Request Array

396

(2)

Using the extract() Function

398

(2)

Form Parameters and the Medium Style

400

(1)

The $_Get Array

400

(2)

Security

402

(1)

The $_POST Array

403

(3)

Form Parameters and the Long (Old) Style

406

(1)

Processing Forms with Multiple Selections

406

(1)

Creating the Form with Select and Check Boxes

406

(2)

Processing the Form with Multiple Selections

408

(2)

Forms Using an Image Button

410

(3)

Self-Processing HTML Forms

413

(1)

Checking If the Form Was Submitted

413

(2)

Using Hidden Fields

415

(2)

Redirecting the User

417

(1)

The Location Header

417

(1)

Using the Correct URi for Redirection

418

(3)

Uploading Files

421

(1)

Attributes for the <Form> Tag and the file Type

421

(1)

PHP's $_Files Array

422

(3)

Moving the Uploaded File

425

(2)

Sticky Forms

427

(4)

Where to Get Information About Superglobal Arrays

431

(1)

The phpinfo() Function

431

(1)

How to Get Server Information

432

(5)

How to Get Information About the Environment

437

(1)

Chapter Summary

438

(3)

What You Should Know

438

(1)

What's Next?

439

(1)

Lab

439

(2)

Files and Directories

441

(56)

Files

441

(5)

File Permissions and Ownership

441

(1)

UNIX/Linux Permissions

441

(1)

Ownership and Groups

441

(1)

Permissions

442

(1)

Changing Permissions at the Command Line

442

(2)

Windows Permissions

444

(2)

The Web Server, PHP, and Permissions

446

(37)

PHP Built-In Functions

447

(1)

The chown() Function

447

(1)

The chgrp() Function

447

(1)

The chmod() Function

447

(1)

The Filehandle

448

(1)

Opening a File

448

(1)

The fopen() Function

448

(1)

The Mode and Permissions

449

(2)

Opening a File for Reading

451

(1)

The fgets() Function---Reading Lines from a File

451

(2)

The fgetss() Function---Stripping HTML Tags from a File

453

(2)

The fgetc() Function---Reading Characters from a File

455

(1)

The fread() Function---Reading Chunks from a File

456

(2)

Positioning the File Pointer

458

(1)

The fseek() Function

459

(1)

The rewind() Function

459

(2)

The ftell() Function---Finding the Current Position in a File

461

(2)

Opening a URL for Reading

463

(1)

Reading from Files Without a Filehandle

464

(1)

The file_get_contents() Function---Reading the Whole File into a String

464

(1)

The file() Function---Reading the Whole File into an Array

465

(1)

Using explode() and implode()

466

(4)

The readfile() Function---Reading and Writing a File

470

(1)

Opening a File for Writing and Appending

471

(1)

The fwrite() and fputs() Functions

472

(1)

The file_put_contents() Function

472

(1)

Appending to a File

473

(1)

Locking Files with flock()

474

(1)

File Checks

475

(1)

The file_exists() Function

476

(1)

The is_file() Function

477

(1)

The is_readable() Function

478

(1)

The is_writable() Function

479

(2)

Creating, Copying, Renaming, and Deleting Files

481

(1)

The copy() Function---Making a Copy of a File

481

(1)

The rename() Function---Renaming and/or Moving a File

482

(1)

The unlink() Function---Removing a File

482

(1)

Directories

483

(4)

Opening and Reading from a Directory

483

(1)

The opendir() Function

483

(1)

The readdir() Function

484

(1)

Getting Path Information

485

(1)

Changing and Getting the Current Directory

486

(1)

Managing Content with Include Files

487

(7)

A Real-World Example

488

(6)

Chapter Summary

494

(3)

What You Should Know

494

(1)

What's Next?

495

(2)

Regular Expressions and Pattern Matching

497

(70)

What Is a Regular Expression?

497

(2)

Pattern-Matching Functions

499

(66)

Finding a Pattern

500

(1)

The preg_match() Function

500

(3)

The preg_match_all() Function

503

(2)

Pattern-Matching Modifiers

505

(1)

Searching and Replacing

506

(1)

The preg_replace() Function

506

(3)

Evaluating the Replacement Side with the e Modifier

509

(1)

The preg_split() Function---Splitting Strings

510

(2)

Splitting on Multiple Alternative Delimiters

512

(3)

The preg_grep() Function

515

(2)

Getting Control---The RegEx Metacharacters

517

(3)

Anchoring Metacharacters

520

(4)

Matching Single Characters and Digits

524

(6)

Metasymbols

530

(3)

Metacharacters to Repeat Pattern Matches

533

(10)

Metacharacters for Alternation

543

(1)

Grouping or Clustering

544

(1)

Remembering or Capturing

545

(3)

Searching, Capturing, and Replacing

548

(2)

Positive Lookahead

550

(2)

Positive Lookbehind

552

(1)

Commenting Regular Expressions and the x Modifier

553

(1)

Searching for Patterns in Text Files

554

(2)

Form Validation with PHP

556

(1)

Checking for a Valid E-Mail Address

557

(5)

Help on the Web

562

(3)

Chapter Summary

565

(2)

What You Should Know

565

(1)

What's Next?

565

(1)

Chapter 12 Lab

566

(1)

Introduction to MySQL

567

(28)

About Databases

567

(3)

Client/Server Databases

568

(1)

Talking to the Database

568

(1)

MySQL Strengths and Weaknesses

569

(1)

Easy to Use

569

(1)

Large Community of Developers

569

(1)

Open Source License

569

(1)

Commercial License

569

(1)

Scalability

570

(1)

The Anatomy of a Relational Database

570

(5)

The Database Server

571

(1)

The Database

571

(1)

Tables

571

(1)

Records and Fields

572

(1)

Columns/Fields

573

(1)

Rows/Records

574

(1)

Primary Key and Indexes

574

(1)

The Database Schema

575

(1)

Connecting to the Database

575

(7)

MySQL Command-Line Options

576

(3)

Graphical User Tools

579

(1)

The phpMyAdmin Tool

579

(1)

The MySQL Query Browser

580

(2)

The MySQL Privilege System

582

(11)

Logging into the Database Server

582

(1)

Finding the Databases

583

(2)

The ``user'' Table

585

(1)

The ``db'' Table

586

(1)

The ``host'' Table

587

(1)

A Real-World Example

588

(1)

The Grant and Revoke Commands

589

(1)

Creating and Dropping a Database

590

(2)

Some Useful MySQL Functions

592

(1)

Chapter Summary

593

(2)

What You Should Know

594

(1)

What's Next?

594

(1)

SQL Language Tutorial

595

(52)

What Is SQL?

595

(8)

Standarizing SQL

596

(1)

Executing SQL Statements

596

(1)

The MySQL Query Browser

597

(1)

About SQL Commands/Queries

597

(1)

English-Like Grammar

597

(1)

Semicolons Terminate SQL Statements

598

(1)

Naming Conventions

599

(1)

Reserved Words

599

(1)

Case Senstivity

599

(1)

The Result-Set

600

(1)

SQL and the Database

600

(1)

The Show Databases Command

600

(1)

USE Command

601

(1)

SQL Database Tables

601

(1)

The Show and Describe Commands

602

(1)

SQL Data Manipulation Language (DML)

603

(17)

The Select Command

604

(1)

Select Specified Columns

604

(1)

Select All Columns

605

(1)

The Select Distinct Statement

605

(1)

Limiting the Number of Lines in the Result-Set with Limit

606

(2)

The Where Clause

608

(1)

Using Quotes

609

(1)

Using the = and <> Operators

609

(1)

What Is Null?

609

(2)

The > and < Operators

611

(1)

The And and Or Operators

612

(1)

The Like and Not Like Condition

613

(1)

Pattern Matching and the % Wildcard

613

(2)

The_ Wildcard

615

(1)

The Between Statement

615

(1)

Sorting Results with Order By

616

(1)

The Insert Command

617

(1)

The Update Command

618

(1)

The Delete Statement

619

(1)

SQL Data Definition Language

620

(13)

Creating the Database

620

(1)

SQL Data Types

621

(2)

Creating a Table

623

(2)

Creating a Key

625

(1)

Primary Keys

625

(2)

Foreign Keys

627

(1)

Relations

628

(1)

Two Tables with a Common Key

628

(1)

Using a Fully Qualified Name and a Dot to Join the Tables

629

(1)

Aliases

630

(1)

Altering a Table

631

(2)

Dropping a Table

633

(1)

Dropping a Database

633

(1)

SQL Functions

633

(9)

Numeric Functions

634

(1)

Using Group By

635

(2)

String Functions

637

(1)

Date and Time Functions

638

(1)

Formatting the Date and Time

639

(2)

The MySQL Extract Command

641

(1)

Chapter Summary

642

(5)

What You Should Know

642

(1)

What's Next?

643

(1)

Lab

643

(4)

PHP and MySQL Integration

647

(26)

Introduction

647

(16)

Connecting to the Database Server

647

(2)

Choosing the Database

649

(1)

Executing SQL Statements (Insert, Update, Delete)

650

(3)

Retrieving the Query Results (Select)

653

(1)

The mysql_fetch_row() Function

653

(2)

The mysql_fetch_assoc() Function

655

(2)

Other Useful MySQL Functions

657

(1)

The mysql_error() Function

658

(2)

The mysql_num_rows() Function

660

(1)

The mysql_num_fields() Function

661

(1)

The mysql_field_name() Function

661

(2)

The Guest Book Example

663

(8)

Step 1: Designing the Database

663

(2)

Step 2: Posting a Message Page

665

(4)

Step 3: Listing All Messages

669

(1)

Example Summary

670

(1)

Chapter Summary

671

(2)

What You Should Know

671

(1)

What's Next?

671

(1)

Chapter 15 Lab

671

(2)

Cookies and Sessions

673

(66)

What Is Stateless?

673

(1)

What Are Cookies?

673

(4)

Cookie Ingredients

674

(1)

The Attributes of a Cookie

675

(1)

Name

675

(1)

Expiration Date

676

(1)

Domain Name

676

(1)

Path

676

(1)

Security

677

(1)

PHP and Cookies

677

(17)

Creating Cookies with the setcookie() Function

677

(1)

The $_Cookie Global Array

678

(3)

Storing Multiple Values in One Cookie---Serialization

681

(2)

Tracking Visitors with Cookies

683

(1)

Visitor Count Example

683

(2)

Tracking the Visitor's Last Visit

685

(3)

Extending the Life of a Cookie

688

(1)

The time() Function

688

(1)

The mktime() Function

689

(1)

Buffering and HTTP Headers

689

(2)

The ob_start() and ob_end_flush() Functions

691

(2)

Output Buffering and php.ini

693

(1)

Deleting a Cookie

693

(1)

Using the Browser to Remove Cookies

693

(1)

What Is a Session?

694

(42)

Where to Store Sessions

696

(2)

Starting a Cookie-Based Session

698

(1)

The session_start() Function

698

(1)

Registering a Session

699

(1)

The $_Session Associative Array

700

(2)

The session_register() Function

702

(1)

Saving Arrays in a Session

702

(4)

Session Cookie Functions and Configuration Options

706

(2)

Setting Preferences with Sessions

708

(3)

Remembering Users and Preferences over Multiple Pages

711

(4)

Naming Sessions

715

(2)

Sessions Without Cookies

717

(1)

Using a Hidden Form Element

717

(4)

Passing Session IDs with a Link

721

(1)

The SID Constant

721

(5)

Changing the Session ID

726

(1)

Ending a Session

727

(1)

Deleting Session Variables

727

(1)

The session_write_close() Function

728

(1)

The session_destroy() Function

728

(1)

Cleaning up Session Files and Garbage Collection

729

(1)

Session Runtime Configuration

730

(1)

PHP Session Functions

730

(1)

Implementing a Login System with Sessions

731

(5)

Chapter Summary

736

(3)

What You Should Know

737

(1)

What's Next?

738

(1)

Lab

738

(1)

Objects

739

(44)

What Are Objects?

739

(2)

Objects and Classes

740

(1)

Working with Classes

741

(31)

Defining the Class

741

(1)

Instantiating the Class

741

(1)

What's ``new''?

742

(1)

The Properties and Methods

742

(1)

What's $this?

743

(1)

The -> Operator

743

(1)

The gettype() and get_class() Functions

744

(2)

Creating a Complete Class

746

(1)

Displaying an Object

747

(1)

Functions for Getting Class Information

748

(1)

Encapsulation and Information Hiding

749

(1)

Class Members and Scope

750

(1)

Public Scope

750

(1)

Private Scope

750

(1)

Protected Scope

751

(1)

Example Using Private Scope

751

(2)

Magic Methods

753

(1)

Constructors

753

(3)

Destructors

756

(2)

Accessor Methods---Setters and Getters

758

(5)

Inheritance

763

(1)

Constructors and Inheritance

763

(3)

Overriding Methods

766

(2)

Protected Access

768

(4)

Some PHP 5 Object Features

772

(8)

final Classes and Methods

772

(1)

Static Members

773

(1)

Class Constants

774

(2)

Reusing a Class

776

(4)

Chapter Summary

780

(3)

What You Should Know

780

(1)

Chapter 17 Lab

781

(2)

Building an Art Gallery

783

(26)

Project Overview

783

(1)

The Public and the Private

783

(2)

Creating the Web Site

785

(20)

Creating the Database

785

(1)

Administration Pages

786

(1)

Listing All the Artists from the Database (admin_artlist.php)

786

(2)

Updating an Artist in the Gallery (admin_artist_edit.php)

788

(3)

Adding a New Artist to the Gallery (admin_artist_insert.php)

791

(2)

Adding and/or Editing a Piece of Art (admin_art_edit.php)

793

(4)

Public Pages

797

(1)

The Header Page (header.php)

797

(1)

The Index Page (index.php)

798

(2)

The Detail Page (artist_detail.php)

800

(2)

The Contact Us Page (contact.php)

802

(1)

Securing Pages with Login

803

(2)

Installing the Art Gallery

805

(3)

Where to Find the Files for the Canvas Gallery Site

805

(1)

Installing the MySQL Database

806

(2)

Editing the PHP Pages

808

(1)

Conclusion

808

(1)

PHP and E-Mail

809

(10)

The Mail Server

809

(1)

MIME (Multipurpose Internet Mail Extensions)

810

(1)

Runtime Configuration Options

810

(1)

The mail() Function

811

(1)

Sending a Simple E-Mail Message

811

(2)

Example: Sending an HTML Message

813

(6)

Sending a Message with an Attachment

814

(5)

PHP and Date/Time

819

(14)

Formatting Dates and Times

819

(5)

The date() Function

819

(3)

The strftime() Function

822

(2)

Getting the Timestamp

824

(5)

The time() Function

824

(1)

The mktime() Function

825

(3)

Creating a UNIX Timestamp from a String

828

(1)

Getting the Date and Time

829

(4)

Validating Dates

831

(2)

Security and Debugging

833

(16)

About Security

833

(1)

Network Security and SSL

833

(1)

Operating System, Web Server, and File System Security

834

(1)

Securing PHP and MySQL

834

(7)

Basic PHP Security Principles

835

(1)

Validate Form Fields

835

(1)

About register_globals

835

(2)

SQL Injections

837

(1)

File Names

838

(1)

Safe Mode

839

(1)

The File System

839

(1)

Log Everything

839

(2)

Where to Get More Security Information

841

(1)

Debugging

841

(8)

Turn on the Error Reporting

841

(1)

Fix the Parse Errors First

841

(2)

Diagnostic Print Statements

843

(2)

Fixing SQL Errors

845

(2)

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PHP and MySQL by Example

PHP and MySQL by Example

9780131875081

0131875086

Summary

Author Biography

Table of Contents

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