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Use [ P H P ] [ / P H P ] tags around PHP code in the future, please...
That's a VERY bad example of functions, since it'll only be called once (and could be simplified).
[php]
<?php
function multiply($n1, $n2) {
return $n1 * $n2;
}
echo "9 * 9 = " . multiply(9, 9) . "<br>\r\n";
?>
[/php]
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