我们自己的php端登录，但不转到头('；位置:home.php'；）；

我们的php端在本地服务器（Xamp-apach-5.5.6）中的全部工作但托管方没有工作（apache-5.2.17）请帮帮我。

public function login($username,$password)
    {
        session_start();
        if($username==!NULL AND $password==!NULL)
        {
            global $pdo;
            $password=md5($password);
            $query = $pdo->prepare("SELECT * FROM employee_list WHERE username='$username' AND userpass='$password'");
            $query->execute();
            $row=$query->rowCount();
            if($row==0)
                {
                $this->massage->loginmass("<span class='text-danger'>YOUR USERNAME AND PASSWORD NO MATCH.</span>");
                }
            else
                {
                    $result = $query->fetch();
                    if($result['active_enactive']=="Active")
                    {
                         $_SESSION['mafizusernamerahman'] = $result['username'];
                         $_SESSION['mafizuserpassrahman'] =$result['userpass'];
                         $_SESSION['mafizaccess_permissionrahman'] = $result['access_permission'];
                         $_SESSION['mafizactive_enactiverahman'] = $result['active_enactive'];
                         $_SESSION['mafiznamerahman'] = $result['name'];
                         $_SESSION['mafizemployment_idrahman'] = $result['employment_id'];
                         $_SESSION['mafizfather_namerahman'] = $result['father_name'];
                         $_SESSION['developer'] = "Mafizur";
                        if($_SESSION['mafizaccess_permissionrahman']=="Admin")
                            header("location:all-employee.php");
                        elseif($_SESSION['mafizaccess_permissionrahman']=="User")
                        {
                            if (empty($result['defaltpass'])) {
                                header("location:user-profile.php");
                            }
                            else
                                header("location:defaltchange-password.php");
                        }
                    }
                    else
                        $this->massage->loginmass("<span class='text-danger'>YOUR ACCOUNT SUSPEND.</span>");

                }
        }
        else
            $this->massage->loginmass("<span class='text-danger'>PLEASE FILL UP YOURUSER NAME AND PASSWORD.</span>");
    }