添加如下幾天語(yǔ)句頁(yè)面變?yōu)榭瞻?#xff0c;刪除正常

echo "isset($tireqty)".isset($tireqty)."
";

echo "isset($nothere)".isset($nothere)."
";

echo "isset($tireqty)".empty($tireqty)."
";

echo "isset($nothere)".empty($nothere)."
";

下面列出完整代碼

Bob's Auto Parts -Order Result

Bos's Auto Parts

Order Result

define('TIREPRICE',100);

define('OILPRICE',10);

define('SPARKPRICE',4);

$tireqty = $_POST['tireqty'];

$oilqty = $_POST['oilqty'];

$sparkqty = $_POST['sparkqty'];

echo "

Order processed at".date('H:i, jS F Y')."

";

echo "

Your order is as follow:

";

echo $tireqty." tireqty
";

echo $oilqty." oilqty
";

echo $sparkqty." spark plugs
";

$totalqty = 0;

$totalqty = $tireqty + $oilqty + $sparkqty;

echo "Items ordered: ".$totalqty."
";

$totalamount = 0.00;

$totalamount = $tireqty * TIREPRICE +

$oilqty * OILPRICE + $sparkqty * SPARKPRICE;

echo "Subtotal: $".number_format($totalamount,2)."
";

$taxrate = 0.10; //total sales tax is 10%

$totalamount = $totalamount * (1 + $taxrate);

echo "Total including tax: $".number_format($totalamount,2)."
"

// echo "isset($tireqty)".isset($tireqty)."
";

// echo "isset($nothere)".isset($nothere)."
";

// echo "isset($tireqty)".empty($tireqty)."
";

// echo "isset($nothere)".empty($nothere)."
";

?>

總結(jié)

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