可以读取cookie并在mysql SELECT查询中使用

Question

$_SESSION["signed"]=true;
setcookie("cookie", $username);
$sql1="SELECT DR_id from `doctor` WHERE $_cookie['username']='$username'" ;

餐桌医生

==========
DR_id|| DR_email      ||
01   || xyz@email.com ||

我可以通过Cookie获取ID

Answer 1

您的WHERE子句应为WHERE DR_email='{$_COOKIE['username]}'之类的列名

Answer 2

PHP关键字区分大小写。

$_SESSION["signed"]=true;
setcookie("cookie", $username);
$sql1="SELECT DR_id from `doctor` WHERE DR_email ='$_COOKIE['cookie']'" ;