Php 如何在echo中插入圆码?
我希望这个数字有两个小数位,因为它显示了所有的小数位。这是我的密码:Php 如何在echo中插入圆码?,php,html,decimal,Php,Html,Decimal,我希望这个数字有两个小数位,因为它显示了所有的小数位。这是我的密码: <?php $add=mysqli_query($conn,'SELECT SUM(fil), SUM(math), SUM(aralp), SUM(mapeh), SUM(esp), SUM(mtb), (SUM(total)/5), SUM(mps) from `grade1`'); while($row1=mysqli_fetch_array($add)) {
<?php
$add=mysqli_query($conn,'SELECT SUM(fil), SUM(math), SUM(aralp),
SUM(mapeh), SUM(esp), SUM(mtb), (SUM(total)/5), SUM(mps) from `grade1`');
while($row1=mysqli_fetch_array($add))
{
$mark=$row1['SUM(fil)'];
$mark3=$row1['SUM(math)'];
$mark4=$row1['SUM(aralp)'];
$mark5=$row1['SUM(esp)'];
$mark6=$row1['SUM(mapeh)'];
$mark7=$row1['SUM(mtb)'];
$mark9=$row1['(SUM(total)/5)'];
$mark10=$row1['SUM(mps)'];
}
?>
提前谢谢你 实际上就是这样
echo "<th>".round($mark, 2)."</th>";
echo”“。圆形($mark,2)。”;
现在,我将不得不面对另一个问题。您不需要一个循环来检索一行。我是新手。什么意思?
echo "<th>".round($mark, 2)."</th>";