//Function:-Arthmatic Operation

Function:-Arthmatic Operation

1.  <?php
2. //Function Arthmatic Operation
3. 
   
4. //Function Definition
5. 
   
6. //Addition
7. function add($a ,$b)  //function name must start with letter or underscore.
8. {
9. $c = $a + $b;
10. echo "the addtion is:".$c."<br>" ;
11. }
12. add (20, 40);   //Function Call:- You can many times call function.
13. add (45, 45);  //you can add many argumentsas you want.
14. 
    
15. //Subtraction
16. function sub($a, $b)
17. {
18. $c = $a - $b;
19. echo "the subtraction is ".$c."<br>";
20. }
21. sub (45, 25); //45, 25 this value store in 'a' and 'b', then execute operation "45 - 25 = 20".
22. 
    
23. //Division
24. function div($a ,$b)
25. {
26. $c = $a / $b;
27. echo "the division is:" .$c. "<br>";
28. }
29. div (100, 4);
30. 
    
31. //Multiplication
32. function multi($a ,$b)
33. {
34. $c = $a - $b;
35. echo "the multipication is:" .$c. "<br>"; //"echo" use for print line.
36. }
37. multi(50, 20);
38. 
    
39. //Modulus
40. function mod($a ,$b)
41. {
42. $c = $a % $b;
44. echo "the moddulos is:" .$c. "<br>"; //"<br>" use for linebreak. 
46. }
47. mod(50, 5);
48.  ?>

👉Execute👈

//Output

/*

the addtion is:60

the addtion is:90

the subtraction is 20

the division is:25

the multipication is:30

the moddulos is:0

*/

                                                                   //ThE ProFessoR