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
$a = 10; $b = 20; echo $a, $b; echo "<br>"; swap($a, $b); echo $a, $b; function swap(&$a, &$b) { $temp = $a; $a = $b; $b = $temp; }
along with your userid / name. ThanQ
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