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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, $b; // It should print 20 , 10
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Answer Posted / ramse
One way is:
function swap($x, $y) {
$x ^= $y ^= $x ^= $y;
return array($x,$y);
}
| Is This Answer Correct ? | 2 Yes | 5 No |
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