1. Write a function to swap two values ?
$a = 10;
$b = 20;
echo $a, $b;
swap(); // If u want u can pass parameters
echo $a, $b; // It should print 20 , 10
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Answer Posted / binoyav
The above answer is correct. But the interviewer does not
want to echo the values from inside the function. It should
be in the following way
$a = 10;
$b = 20;
echo $a, $b;
swap(); // Here if you want you can pass the variables
echo $a, $b;
function swap()
{
}
| Is This Answer Correct ? | 8 Yes | 7 No |
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