php 从同一行获取2个值并放置在不同的变量上[重复]

siv3szwd  于 2023-03-21  发布在  PHP
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昨天关门了。
我的表中有4列

SUGAR_ID    
LEVEL   
VALUE   
VOLUME

我想从选择一行中同时获取水平和体积,该怎么做?

$query = "SELECT * FROM sugarlevel order by SUGAR_ID asc";
$result = mysqli_query($db, $query) or die ("Bad SQL: $query");

$sugaa = "<select class='btn btn-success' name='sugarlevel' required>
<option disabled selected hidden>Sugar Level</option>";
while ($row = mysqli_fetch_assoc($result)) {

$sugaa .= "<option value='".$row['LEVEL']."'>".$row['LEVEL']."</option>";
}
$sugaa .= "</select>";
n6lpvg4x

n6lpvg4x1#

一个简单的方法是设置:

$sugaa .= '<option value=" . $row['LEVEL'] . '|' . $row['VOLUME'] . /* ... */

我已经用了'|'作为分隔符,您可以选择最适合您的
然后,一旦接收到值:

[$level, $value] = explode('|', $_POST['sugarlevel']);

显然,这是一个必须改进的例子,特别是出于“安全”的原因

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