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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 / sangita jain
<?php function swap(){
$a=10;
$b=20;
$b=$b-$a;
$a=$a+$b;
echo $a,$b;
}
swap();
?>
| Is This Answer Correct ? | 0 Yes | 2 No |
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