PHP is a server-side scripting language designed for web development, enabling dynamic page generation, server-side processing, and database interaction for web applications.

What are PHP magic methods?

Magic methods are special methods in PHP that are called automatically when certain conditions are met, such as __construct, __get, __set, __call, enabling operator overloading.

What is autoloading in PHP?

Autoloading is a mechanism in PHP that automatically includes class files when they are instantiated, eliminating the need for manual include statements using __autoload or spl_autoload_register.

PHP Interview Questions

21. How do multidimensional arrays work?

22. What are common array functions in PHP?

23. How does array_merge differ from the + operator?

24. What are callbacks in PHP?

25. What are anonymous functions and closures in PHP?

26. How does variable scope work in PHP?

27. What is the difference between local, global, and static variables?

28. How do static variables inside functions behave?

29. What are references in PHP?

30. How do pass-by-value and pass-by-reference differ?