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, $b; // It should print 20 , 10
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Answer Posted / dinesh kumar
function swap($x,$y)
{
$x^=$y^=$x^=$y;
return array($x,$y);
}
list($a,$b)=swap(5,10);
echo $a;
echo $b;
| Is This Answer Correct ? | 4 Yes | 1 No |
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