$x=$a; $a=$b; $b=$x; echo $a.",".$b;

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

Question Posted / nikunj kansara

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Answer Posted / nikunj kansara

$x=$a;
$a=$b;
$b=$x;
echo $a.",".$b;

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11 Yes

4 No

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