how to add a default argument for the below code

Question

<?php

function expo($n, $e)

{
return $n ^ $e;
}
?>

Answer 1

Have you tried turning it off and on again?

Answer 2

https://code.sololearn.com/wOMWEx977ecu/?ref=app

Answer 3

function expo($n= 5, $e=8)

Answer 4

then what would be the expected output

Answer 5

I am not getting output could you just explain what and how to add a default arguments in php in programs

Answer 6

do you know what "^" bitwise operator doing?

Answer 7

maybe this code helps:

function expo ($n=2, $m=3){
return $n**$m;
}

Answer 8

dude yaroslav in your code why have you written echo sum(7,3) you could have written echo sum(2,1) itself right I dint understand that part

Answer 9

2 and 1 are default values if u try emply sum( );

Answer 10

oh okay thanks