你好,这里是我当前的代码:如何排序在while循环
$sqlpack = "Select * from package_in_plan where plan_id='$package_id' order by plan_id";
$planres = mysqli_query($conn,$sqlpack);
$plan = array();
while ($row1 = mysqli_fetch_assoc($planres)){
$plan[] = $row1['package_id'];
}
$plan_1 = implode(',', $plan);
for ($x = 0; $x < count($plan); $x++) {
$sql_service = "Select * from service_in_package where package_id='".$plan[$x]."'";
$chid = mysqli_query($conn,$sql_service);
while ($row = mysqli_fetch_array($chid)){
$ch_id = $row['service_id'];
$sql = "Select * from itv where status='1' and id='$ch_id' order by number asc";
$results = mysqli_query($conn,$sql);
while ($row = mysqli_fetch_array($results)){
$nr = $row['id'];
$namn = $row['name'];
$chnr = $row['number'];
echo $nr;
echo $namn;
echo $chnr;
}
}
}
我需要的是由数($ CHNR)进行排序输出,现在我的代码是不排序,因为它接收特定来自上一个select($ ch_id)的id。 如何让$结果的输出按“按数量排序”进行排序。 数字在itv表中为INT。
你知道SQL连接吗? – eggyal
我刚刚回答了这个问题:http://stackoverflow.com/questions/38720440/php-how-to-run-a-while-loop-in-another-while-loop/38722548#38722548解释你为什么不应该在嵌套循环中查询。你的情况更糟,因为你的嵌套是三层! – e4c5
@ e4c5:欢迎来到不同用户每天回答数千次相同问题的精彩世界,这些用户不会在发帖之前懒得进行半点研究...... – eggyal