刷新 PHP 个会话变量

Refresh PHP session variables

如何刷新会话变量以便在用户编辑名字和姓氏后立即显示它们?现在,我需要注销并再次登录才能看到输入的更改,因为会话已重新启动,对吗? 我应该怎么办? Ajax? Angular?我真的迷路了。我需要你的指导。谢谢!!

这是edit.php中的表格:

<form method="post" action="edit.php" name="user_edit_first_last_name" >
    <label for="user_first_name"><?php echo WORDING_NEW_FIRST_NAME; ?></label>
    <input id="user_first_name" type="text" name="user_first_name" value = "<?php echo $_SESSION['user_first_name']; ?>"  required /> 
    <label for="user_last_name"><?php echo WORDING_NEW_LAST_NAME; ?></label>
    <input id="user_last_name" type="text" name="user_last_name" value = "<?php echo $_SESSION['user_last_name']; ?>" required /> 
    <input type="submit" name="user_edit_first_last_name_submit" value="<?php echo WORDING_CHANGE_FIRST_LAST_NAME; ?>" />
</form><hr/>

这是代码所在的另一个名为 login.php 的 php 文件:

按下提交按钮时调用函数:

 }elseif(isset($_POST["user_edit_first_last_name_submit"])){
                $this->editUserFirstLastName($_POST['user_first_name'], $_POST['user_last_name']);
        }

执行业务的实际函数:

 public function editUserFirstLastName($user_first_name, $user_last_name){
        // prevent database flooding
        $user_first_name = substr(trim($user_first_name), 0, 64);
        $user_last_name = substr(trim($user_last_name), 0, 64);

        $result_row = $this->getUserData($_SESSION['user_name']);
        $user_name = $_SESSION['user_name'];

        $query_edit_user_first_last_name = $this->db_connection->prepare("UPDATE users SET user_first_name = :user_first_name, user_last_name = :user_last_name WHERE user_name = :user_name");
        $query_edit_user_first_last_name->bindValue(':user_first_name', $user_first_name, PDO::PARAM_STR);
        $query_edit_user_first_last_name->bindValue(':user_last_name', $user_last_name, PDO::PARAM_STR);
        $query_edit_user_first_last_name->bindValue(':user_name', $user_name, PDO::PARAM_STR);
        $query_edit_user_first_last_name->execute();
    }

只需在 editUserFirstLastName 中设置会话值