The document provides an introduction to PHP, explaining its syntax, variables, constants, and operators. It covers control structures such as conditional statements and loops, as well as functions including recursive functions. Additionally, cookies are mentioned as part of the discussion on PHP functionalities.

1. PHP
- HYPERTEXT
PREPROCESSOR
- ASWATH S

2. PHP- INTRO

3. WHAT IS A PHP FILE?

4. SYNTAX
<?php
// PHP code goes here
?>

5. COMMENTS

6. PHP VARIABLES

7. VARIABLES

8. STRINGS

9. CONSTANTS

10. OPERATORS

11. ASSIGNMENT OPERATOR

12. ASSIGNMENT OPERATOR

13. INCREMENT AND DECREMENT OPERATOR

14. LOGICAL OPERATORS

15. CONDITIONS

16. EXAMPLE OF CONDITIONS

17. SWITCH CONDITION

18. WHILE & DO WHILE

19. WHAT IS THE DIFFERENCE
BETWEEN
WHILE & DO-WHILE ?

20. FOR & FOREACH

21. FUNCTIONS

22. FUNCTIONS WITH ARGUMENTS

23. RECURSIVE FUNCTIONS
The function called itself

24. COOKIES

25. EXAMPLE