使用URL中的用戶ID進行導航

Question

所以我正在努力學習更多的PHP。

我相信我在成功登錄時設置了$ _SESSION ['user']，然後我想使用標題將用戶引導至profile.php頁面。我想要做的是使用URL中的用戶ID或用戶名查看其他用戶配置文件。

例如：/profile.php?id=7或/profile.php/John

if(!isset($_SESSION['user'])){ 
    header("Location:profile.php?id=" . $_SESSION['user']); 

}else if(!empty($_GET['name'])) { 

    $username = $_GET['name']; 
    $getUserProfile = mysqli_query($connection, "SELECT user.username, user.userID 
            FROM profile, user 
            WHERE profile.userID = user.userID 
            AND user.username = '{$username}'"); 
    while($getResult = mysqli_fetch_array($getUserProfile)){ 
     $usersname = $getResult["username"]; 
     $usersId = $getResult["userID"]; 

    } 
} 

我試圖做到這一點，但我不能得到它的工作。我將不勝感激任何幫助如何做到這一點！

Answer 1

試試這個：

if(!empty($_SESSION['user']) && empty($_GET['name'])){ 
    header("Location:profile.php?id=" . $_SESSION['user']); 

}else if(!empty($_GET['name'])) { 

    $username = $_GET['name']; 
    $getUserProfile = mysqli_query($connection, "SELECT user.username, user.userID 
            FROM profile, user 
            WHERE profile.userID = user.userID 
            AND user.username = '{$username}'"); 
    while($getResult = mysqli_fetch_array($getUserProfile)){ 
     $usersname = $getResult["username"]; 
     $usersId = $getResult["userID"]; 

    } 
    header("Location:profile.php?id=" . $usersId); 
}