Книга "PHP 8 Quick Scripting Reference. A Pocket Guide to PHP Web Scripting". 1. Using PHP2. Variables3. Operators4. Strings5. Arrays6. Conditionals7. Loops8. Functions9. Class10. Inheritance11. Access Levels12. Static13. Constants14. Interface15. Abstracts16. Traits17. Importing Files18. Type Declarations19. Type Conversions20. Variable Testing21. Overloading22. Magic Methods23. User Input24. Cookies25. Sessions26. Namespaces27. References28. Advanced Variables29. Error Handling30. Exception Handling31. Assertions