Interest coverage ratio calculation formula PHP group purchase discount calculation formula

复制代码 代码如下:

$price=$row['price']; //原价
$nowprice=$row['nowprice']; //现价
$jiesheng=$price-$nowprice; //节省金额
//$discount折扣计算
if ( $nowprice > 0 )
{
$discount = round(10 / ($price / $nowprice), 1);
}
else
{
$discount = 0;
}
if ( $discount <= 0 ) $discount = 0;

完整代码:

复制代码 代码如下:

error_reporting(0);
header("Content-type: text/html; charset=gbk");
$con = mysql_connect("localhost","mysql用户名","mysql密码");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
// some code
mysql_select_db("tuanpcqc");
mysql_query("set names gbk");
$sql="select * from cenwor_tttuangou_product order by id desc limit 0,3";
$result = mysql_query($sql);
?>

function getpic($pic){
}
mysql_close($con);
?>

The above introduces the interest coverage multiple calculation formula PHP group purchase discount calculation formula, including the interest coverage multiple calculation formula. I hope it will be helpful to friends who are interested in PHP tutorials.