if($_POST['submit']){ 
        $id =    $_GET['id']; 
        //$id            = $_POST['id'];  
        $nickname        = $_POST['nickname'];  
        $name            = $_POST['name'];  
        $mail            = $_POST['mail'];  
        $password        = $_POST['password'];  
        $image            = $_POST['image'];   
        $web            = $_POST['web'];  
        $biography        = $_POST['biography'];   
        $gender            = $_POST['gender'];  
        $facebook_url    = $_POST['facebook_url'];  
        $twitter_url    = $_POST['twitter_url'];  
        $google_plus_url= $_POST['google_plus_url'];  
     
    // yukarıdaki alanı değişkene atamak gerekir diye ekstradan atadım. 
     
        $query_e = "UPDATE users SET      
         
        nickname        ='".$nickname."',  
        name            ='".$name."',  
        mail            ='".$mail."',  
        password        ='".$password."',  
        image            ='".$image."',  
        web                ='".$web."',  
        biography        ='".$biography."',  
        gender            ='".$gender."',  
        facebook_url    ='".$facebook_url."',  
        twitter_url        ='".$twitter_url."',  
        google_plus_url='".$google_plus_url."'  
         
        WHERE id='".$id."' ";
         
        if(mysqli_query($conn, $query_e)){ 
            echo 'Güncelleme yapıldı'; 
        }else { 
            echo 'Hata: '.mysqli_error($conn); 
        } 

    mysqli_close($conn); 

}