PHP Lecture 3 - Functions

1. WEB DEVELOPMENT

2. PHP
PRESENTATORS
MD. AL-MAMUN SARKAR

3. FUNCTIONS

4. FUNCTIONS
Build in Functions1
User Defined Functions2

5. function
function functionName() {
code to be executed;
}
2

6. Function Arguments
function functionName(arg) {
code to be executed;
}
2

7. Function Arguments
function functionName(arg1, arg2, arg3) {
code to be executed;
}
2

8. Default Argument Value
function functionName(arg3 = 5) {
code to be executed;
}
2

9. Default Argument Value
function functionName(arg1, arg3 = 5) {
code to be executed;
}
2

10. Returning values
function functionName(arg1, arg2) {
code to be executed;
return arg1 + arg2;
}

11. QUESTION
?

12. THANK
YOU