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1 answers
php - If quantity is 6 or multiple of 6 so 1% discount
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Solution:
All you need is magic.
$magicPriceFunction = function ($pricePerItem, $itemCount) {
$magicNumber = 6;
$discount = 0.1;
$unhappyItemCount = $itemCount % $magicNumber;
$total = 0;
$total += $pricePerItem * $unhappyItemCount;
$total += ($itemCount - $unhappyItemCount) * (1 - $discount) * $pricePerItem;
return $total;
};
var_dump($magicPriceFunction(100, 6));
Undefined asked
307
votes
Answer
Solution:
I guess this is one way you could do it
$quantity = 8;
$remainder = $quantity % 6 ? $quantity % 6 : 0;
$discountItems = $quantity - $remainder;
echo "10% off " . $discountItems . " items and full price on " . $remainder;
// 10% off 6 items and full price on 2
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