Discussion :: Functions in PHP
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What will be the output of the following PHP code?
<?php
function calc($price, $tax="")
{
$total = $price + ($price * $tax);
echo "$total";
}
calc(42);
?>
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Answer : Option C
Explanation :
You can designate certain arguments as optional by placing them at the end of the list and assigning them a default value of nothing.
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