更新数据库中的数据 - 准备语句 (PHP)

updating data in a database - prepared statement (PHP)

我是 php 的新手,之前一直在使用 mysqli 进行查询。然而,我总是看到人们说要改用准备好的语句,所以我完成了我的项目,努力将我的所有查询更改为准备好的语句。此特定查询未更新

        $email = $userDetails['email'];
        $token = bin2hex(random_bytes(16));
        $username = $userDetails['username'];
        $timestamp = date('Y/m/d H:i:s');
        $sql = "UPDATE users SET token = ? AND timestamp = ? WHERE email = ?";
        $stmt = mysqli_prepare($connect, $sql);
        mysqli_stmt_bind_param($stmt,"sss",$token,$timestamp,$email);
        mysqli_stmt_execute($stmt);

您在 UPDATE 查询中使用 AND 而不是 , :

$sql = "UPDATE users SET token = ?, timestamp = ? WHERE email = ?";