Php 如何在文本显示在页面上之前进行DB查询

我希望我不会让任何人对我的头衔感到困惑。让我先给你看我的代码，然后解释我想做什么

这是主要的浏览页面

<?php

$ingame = "*";
require 'includes/header.php';
include 'includes/modzoideditables.php';
include 'includes/zoideditables.php';
include 'includes/offdefvalues.php';
$move = 1;
?>
<center>
Choose Your Destination Below
<BR><BR><a href="/gonorth.php">NORTH</a> <BR>
<a href="/goeast.php">EAST</a><BR>
<a href="/gosouth.php">SOUTH</a><BR>
<a href="/gowest.php">WEST</a><BR>
</center>

<BR><BR><center>You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?></center>
 <?
require 'includes/footer.php';

?>

<?php

$ingame = "*";
require 'includes/header.php';
include 'includes/modzoideditables.php';
include 'includes/zoideditables.php';
include 'includes/offdefvalues.php';
$move = 1;
 $db->query( "UPDATE users SET uCord1=uCord1+$move WHERE uID='" . $user['uID'] . "'" );
?>
<center>
Choose Your Destination Below
<BR><BR><a href="/gonorth.php">NORTH</a> <BR>
<a href="/goeast.php">EAST</a><BR>
<a href="/gosouth.php">SOUTH</a><BR>
<a href="/gowest.php">WEST</a><BR>
</center>

<BR><BR><center>You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?></center>
 <?
require 'includes/footer.php';

?>

<?php

$ingame = "*";
require 'includes/header.php';
include 'includes/modzoideditables.php';
include 'includes/zoideditables.php';
include 'includes/offdefvalues.php';
$move = 1;
 $db->query( "UPDATE users SET uCord2=uCord2-$move WHERE uID='" . $user['uID'] . "'" );
?>
<center>
Choose Your Destination Below
<BR><BR><a href="/gonorth.php">NORTH</a> <BR>
<a href="/goeast.php">EAST</a><BR>
<a href="/gosouth.php">SOUTH</a><BR>
<a href="/gowest.php">WEST</a><BR>
</center>

<BR><BR><center>You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?></center>
 <?
require 'includes/footer.php';

?>

在下面选择您的目的地












您当前所在的位置：，

这是北页

<?php

$ingame = "*";
require 'includes/header.php';
include 'includes/modzoideditables.php';
include 'includes/zoideditables.php';
include 'includes/offdefvalues.php';
$move = 1;
 $db->query( "UPDATE users SET uCord2=uCord2+$move WHERE uID='" . $user['uID'] . "'" );
?>
<center>
Choose Your Destination Below
<BR><BR><a href="/gonorth.php">NORTH</a> <BR>
<a href="/goeast.php">EAST</a><BR>
<a href="/gosouth.php">SOUTH</a><BR>
<a href="/gowest.php">WEST</a><BR>
</center>

<BR><BR><center>You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?></center>
 <?
require 'includes/footer.php';

?>

---

很难说，因为您没有向我们展示
$user
设置的位置/方式。在我看来，你只需要第二次提出这个问题。另外，要小心。您可能会受到SQL注入攻击。将准备好的/参数化的查询与PDO或类似的方法一起使用以避免此问题。PDO查询不是异步的，可能是缓存问题？请参见请立即停止使用
。哪个require/include文件包含您的select查询？我认为您的数据库值在更新之前就已经被选中了，但仍然保留旧值remain@LiamAllan事实就是这样。我知道了，谢谢你
<?php

$ingame = "*";
require 'includes/header.php';
include 'includes/modzoideditables.php';
include 'includes/zoideditables.php';
include 'includes/offdefvalues.php';
$move = 1;
$db->query( "UPDATE users SET uCord1=uCord1-$move WHERE uID='" . $user['uID'] . "'" );
?>
<center>
Choose Your Destination Below
<BR><BR><a href="/gonorth.php">NORTH</a> <BR>
<a href="/goeast.php">EAST</a><BR>
<a href="/gosouth.php">SOUTH</a><BR>
<a href="/gowest.php">WEST</a><BR>
</center>

<BR><BR><center>You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?></center>
 <?
require 'includes/footer.php';

?>

"You are Currently located at <?=$user['uCord1']?>,<?=$user['uCord2']?>"