好奇怪啊，往记事本里添加数据，用t分割，结果每个tab键的长度不一致？不一致？

好奇怪啊，往记事本里添加数据，用\t分割，结果到记事本里一看，各个tab键的长度不一致？

见图

回复讨论(解决方案)

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源代码如下，是两个文件，一个提交数据，一个处理数据。

Item

Quantity

Tires

oil

Spark plugs

Shop Address

Bob's auto Parts

Order Results

echo "

Order Precessed at ";
echo date('H:i,jS F');
echo "

";
?>

$totalqty = 0;
print_r($_POST);
echo "
";

$tireqty = $_POST['tireqty'];
$oilqty = $_POST['oilqty'];
$sparkqty= $_POST['sparkqty'];
$address = $_POST['address'];
$DOCUMENT_ROOT = $_SERVER['DOCUMENT_ROOT'];
$totalqty = $tireqty+$oilqty+$sparkqty;
$date = date('H:i,jS F Y');
echo "Item Ordered: $totalqty
";
if ($totalqty==0) {
echo "You did not order anything on the Bob's site!";
} else {
if ($tireqty>0) {
echo $tireqty."tireqty
";
}
if ($oilqty>0){
echo $oilqty."oilqty
";
}
if ($sparkqty>0) {
echo $sparkqty."sparkqty
";
}
}

$totalamount = 0.00;

define('TIREPRICE', 100);
define('OLIPRICE', 10);
define('SPARKPRICE', 4);
$totalamount = $tireqty*TIREPRICE
+$oilqty*OLIPRICE
+$sparkqty*SPARKPRICE;
$totalamount = number_format($totalamount,2,'.','');
echo "

Totalamount is $".$totalamount."

";
$tax_rate = 0.1;
$totalamount = $totalamount*(1+$tax_rate);
echo "Total including tax:$".$totalamount."
";

$putstrings =$date."\t".$tireqty." tires\t".$oilqty." oil\t".$sparkqty." spark plugs\t"."Totalamount $".$totalamount."\t"."Address ".$address."\r\n";
print_r($DOCUMENT_ROOT);
@$fp = fopen("$DOCUMENT_ROOT/../orders/order.txt", 'ab');
flock($fp, LOCK_EX);
if (!$fp) {
echo "

your order is not processed at this time.
Please try again later.

";
exit;
}
fwrite($fp, $putstrings,strlen($putstrings));
flock($fp, LOCK_UN);
fclose($fp);
echo "Order Written!";

?>