如何根据用户 $rank 将 $rank1 变量名称更改为 $rank2、$userID 等？
foreach($myClient as $users){
$username = $users->usrnm;
$userID = $users->usrID;
$rank...
}
在 foreach 中更改变量名
•
问答
tian9085 回答：在 foreach 中更改变量名
你可以这样做：
$userId1 = 1;
$userId2 = 2;
$rankVarName1 = sprintf('rank%s',$userId1);
$rankVarName2 = sprintf('rank%s',$userId2);
$$rankVarName1 = 'rank var value';
$$rankVarName2 = 'other rank';
var_dump($rank1); // rank var value
var_dump($rank2); // other rank
但我建议您使用数组
$ranks = [];
$userId1 = 1;
$userId2 = 2;
$ranks[$userId1] = 'rank var value';
$ranks[$userId2] = 'other rank';
var_dump($ranks[$userId1]); // rank var value
var_dump($ranks[$userId2]); // other rank
你可以这样做：
foreach($myClient as $users){
$username = $users->usrnm;
$userID = $users->usrID;
${'rank'.$userID} = 'something';
}