Dive into web development with this comprehensive guide to PHP 8! Whether you're a beginner or an experienced developer, you'll find everything you need to build dynamic, secure websites. Walk through installing PHP, object-oriented programming, and working with databases like MySQL. Gain hands-on experience with detailed code and application examples to. Master advanced topics like debugging, automated testing, security, and more!

Highlights include:

1. Installation
2. Strings, arrays, and regular expressions
3. Mathematical and date functions
4. Web techniques
5. Databases
6. Object-oriented programming
7. Namespaces
8. Design patterns
9. XML, graphics, and PDFs
10. Administration and security
11. Debugging
12. Automated testing

Use PHP with popular databases: MySQL, PDO, SQLite, Oracle, MongoDB, and more

Inhalt
... Preface ... 25

... Materials for the Book ... 25

... The Concept ... 26

... The Content ... 28

... About the PHP 8.3 Edition ... 29

... Support ... 30

PART I ... Preparations ... 31

1 ... Introduction to PHP ... 33

1.1 ... History of PHP ... 33

1.2 ... Success and Commitment ... 34

1.3 ... The Concept of PHP ... 36

1.4 ... The Most Important New Features in PHP 8 to 8.4 ... 37

1.5 ... The Most Important Features in PHP 7.3 ... 41

1.6 ... The Most Important Features in PHP 7 ... 42

1.7 ... The Most Important Features in PHP 5.4, 5.5, and 5.6 ... 43

1.8 ... Downloads and Documentation ... 44

2 ... Installation ... 45

2.1 ... Install PHP ... 45

2.2 ... PEAR ... 75

3 ... Testing and Help ... 79

3.1 ... Common Errors ... 79

3.2 ... Additional Resources ... 88

PART II ... Getting Started with PHP ... 91

4 ... PHP Language Basics ... 93

4.1 ... PHP in HTML ... 93

4.2 ... Output with PHP ... 99

4.3 ... Variables ... 101

4.4 ... Constants ... 112

5 ... Programming ... 113

5.1 ... Operators ... 113

5.2 ... Case Distinctions ... 135

5.3 ... Loops ... 149

5.4 ... Jumps ... 161

6 ... Functions and Language Constructs ... 163

6.1 ... Functions ... 163

6.2 ... Language Constructs ... 192

7 ... Strings ... 201

7.1 ... Connect ... 201

7.2 ... Splitting and Joining ... 202

7.3 ... Upper- and Lowercase ... 212

7.4 ... Pruning ... 214

7.5 ... Search and Replace ... 216

7.6 ... Special Characters, HTML, and the Like ... 223

7.7 ... Compare ... 231

7.8 ... Helpful and Useful Information ... 233

8 ... Arrays ... 239

8.1 ... Basics ... 239

8.2 ... Arrays and Loops ... 244

8.3 ... Examine ... 250

8.4 ... Transform ... 251

8.5 ... Search and Sort ... 259

8.6 ... Superglobal Arrays ... 261

9 ... Mathematical and Date Functions ... 267

9.1 ... Math ... 267

9.2 ... Date and Time ... 278

10 ... Regular Expressions ... 295

10.1 ... Basics ... 295

10.2 ... Functions for Regular Expressions ... 297

10.3 ... Application Examples ... 303

11 ... Object-Oriented Programming ... 307

11.1 ... History of Object Orientation in PHP ... 307

11.2 ... Classes and Objects: Basic Concepts ... 309

11.3 ... Advanced ... 320

11.4 ... Helpful and Useful Information ... 348

11.5 ... Namespaces ... 376

12 ... Design Patterns: MVC and Co. ... 385

12.1 ... Laminas ... 386

12.2 ... MVC ... 387

12.3 ... Adapter and Factory ... 394

PART III ... Web Techniques ... 399

13 ... Forms ... 401

13.1 ... Preparations ... 401

13.2 ... Forms with PHP ... 404

13.3 ... Form Validation ... 421

13.4 ... Prefill ... 434

13.5 ... File Uploads ... 444

13.6 ... Application Examples ... 448

13.7 ... Settings ... 455

14 ... Cookies ... 457

14.1 ... Preparations ... 457

14.2 ... Facts and Background ... 459

14.3 ... Working with Cookies in PHP ... 461

14.4 ... Cookie Test ... 476

14.5 ... Final Considerations ... 479

15 ... Sessions ... 481

15.1 ... Preparations ... 481

15.2 ... Facts, Background, and Configuration ... 482

15.3 ... Working with Sessions in PHP ... 486

15.4 ... Protected Area ... 491

15.5 ... Sessions in Databases ... 493

15.6 ... Security Concerns ... 501

16 ... Email ... 505

16.1 ... Preparations ... 505

16.2 ... Sending Mails with PHP ... 510

PART IV ... Databases ... 523

17 ... SQL ... 525

17.1 ... Create Databases and Tables ... 526

17.2 ... Enter Data ... 529

17.3 ... Query Data ... 530

17.4 ... Update Data ... 532

17.5 ... Delete Data ... 533

17.6 ... Special Features ... 534

18 ... PDO ... 541

18.1 ... Preparations ... 542

18.2 ... Database Access with PDO ... 544

18.3 ... Guestbook ... 550

19 ... MySQL ... 559

19.1 ... Preparations ... 559

19.2 ... Database Access with MySQL ... 566

19.3 ... Application Example ... 588

19.4 ... Settings ... 596

20 ... SQLite ... 599

20.1 ... Preparations ... 599

20.2 ... Database Access with SQLite ... 601

20.3 ... Application Example ... 613

21 ... Microsoft SQL Server ... 621

21.1 ... Preparations ... 621

21.2 ... Microsoft SQL Server Driver for PHP ... 623

21.3 ... Application Example ... 632

22 ... Oracle ... 641

22.1 ... Preparations ... 641

22.2 ... Database Access with Oracle ... 645

22.3 ... Application Example ... 654

23 ... PostgreSQL ... 661

23.1 ... Preparations ... 661

23.2 ... Database Access with PostgreSQL ... 664

23.3 ... Application Example ... 676

23.4 ... Settings ... 683

24 ... MongoDB ... 685

24.1 ... Preparations ... 685

24.2 ... Database Access with MongoDB ... 690

24.3 ... Application Example ... 697

24.4 ... Settings ... 704

PART V ... Communication ... 705

25 ... Files ... 707

25.1 ... Preparations ... 707

25.2 ... File Handling with PHP ... 708

25.3 ... Application Examples ... 718

25.4 ... Settings ... 725

26 ... HTTP and Beyond: Connections to the Outside World ... 727

26.1 ... Preparations ... 727

26.2 ... External Connection with PHP ... 727

26.3 ... Fibers ... 741

26.4 ... Application Examples ... 742

27 ... APIs and Services ... 747

27.1 ... Preparation ... 747

27.2 ... REST ... 754

27.3 ... nuSOAP ... 758

27.4 ... PHP-SOAP ... 765

28 ... JavaScript ... 771

28.1 ... Preparations ... 771

28.2 ... Connecting JavaScript with PHP ... 772

28.3 ... Ajax ... 777

28.4 ... WebSockets ... 782

PART VI ... Data Formats ... 789

29 ... XML ... 791

29.1 ... Preparations ... 791

29.2 ... XML Access ... 797

29.3 ... XMLReader and XMLWriter ... 814

29.4 ... EXIF ... 817

30 ... Graphics with PHP ... 823

30.1 ... Preparations ... 823

30.2 ... GD 2 in Action ... 824

30.3 ... The Alternatives ... 842

31 ... PDF with PHP ... 845

31.1 ... Preparation ... 846

31.2 ... TCPDF ... 847

31.3 ... FPDF ... 859

31.4 ... Conclusion ... 861

PART VII ... Administration and Security ... 863

**32 ... Security ...…