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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 / ranjan
function swap(){
$a = 10;
$b = 20;
$a = $a + $b;
$b = $a - $b;
$a = $a - $b;
echo $a, $b;
}
| Is This Answer Correct ? | 45 Yes | 25 No |
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