A function that calculates sales tax : Definition « Functions « PHP

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PHP » Functions » Definition

A function that calculates sales tax


 

<?

$price = 4.9;

$tax = .04;



function calculate_cost($tax, $price) {

     $sales_tax = $tax;

     return $price + ($price * $sales_tax);

}



$total_cost = calculate_cost ($tax, $price);

$total_cost = round($total_cost, 2);



print "Total cost: ".$total_cost;

?>

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