我一直在尝试使用表格来使用NPV功能,如下所示。
如果我这样做,
$i = npv(0.12, array(-125000,35000,35000,35000,35000,35000, 35000));
$i = round($i,2);
print number_format($i,2,",",".");
它工作正常。但是它在下面的代码中没有用,返回0.89而不是18.899,26:
<?php
include "npv.php";
$Rate = $_GET["rate"] ;
print npv($Rate,($_GET["cashflow"]));
?>
<form name="NPV" id="NVP" method="post action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input type="text" name="rate"> Rate <br>
<input type="text" name="cashflow" "multiple"> Cash Flows <br>
<input type="submit" name="submit"> Submit <br>
</form>