Crazycoders Lab

<?php
$a = 10;
$b = 20;

function swap(&$x, &$y) {
$temp = $x;
$x = $y;
$y = $temp;
}

swap($a, $b);

echo "a: " . $a . ", b: " . $b;
?>

2 years ago | [YT] | 3