五、 用户登录(login.php)
在开始的时候,我们说过游戏的入口是index.php文件;我们已经安装好了,自然转向登录流程,开始看。
前面照例是一段我们前进介绍过的代码,我们就不再详细讲了;不同的是使用的语言文件是login.mo,还有一个LOGIN的常量。如下
define('INSIDE' , true); define('INSTALL' , false); define('LOGIN' , true); $InLogin = true; $xnova_root_path = './'; include($xnova_root_path . 'extension.inc'); include($xnova_root_path . 'common.' . $phpEx); includeLang('login');
接下来又是我们前面讲过的结构,我们看初次进入的分支是下面代码:
$parse = $lang; $Count = doquery('SELECT COUNT(*) as `players` FROM {{table}} WHERE 1', 'users', true); $LastPlayer = doquery('SELECT `username` FROM {{table}} ORDER BY `register_time` DESC', 'users', true); $parse['last_user'] = $LastPlayer['username']; $PlayersOnline = doquery("SELECT COUNT(DISTINCT(id)) as `onlinenow` FROM {{table}} WHERE `onlinetime` > '" . (time()-900) ."';", 'users', true); $parse['online_users'] = $PlayersOnline['onlinenow']; $parse['users_amount'] = $Count['players']; $parse['servername'] = $game_config['game_name']; $parse['forum_url'] = $game_config['forum_url']; $parse['PasswordLost'] = $lang['PasswordLost']; $page = parsetemplate(gettemplate('login_body'), $parse); // Test pour prendre le nombre total de joueur et le nombre de joueurs connect閟 if ($_GET['ucount'] == 1) { $page = $PlayersOnline['onlinenow']."/".$Count['players']; die ( $page ); } else { display($page, $lang['Login']); }
主要是取得注册用户数、最后注册用户、当前在线数;并显示登陆欢迎页面,包括前面取得的这些用户数据。
好了,现在用户可以选择注册并转向前面章节流程,或者是输入用户名和密码转入登录流程。
1. 先根据输入的用户,从数据库取得此用户的记录
2. 如果有记录,则使用md5判断用户的密码是否正确
3. 如果密码正确,则看用户是否选择了记住密码功能,后面用到
4. include数据库配置文件config
5. Setcookie,里面有用户名、密码等
6. 重定向到frames.php文件
其中前面的几个判断是否的话,就要出现一些错误提示信息,并结束登录过程,使用的是message()函数提示,前面也讲过。

PHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.

In PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.

The \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.

Fibers was introduced in PHP8.1, improving concurrent processing capabilities. 1) Fibers is a lightweight concurrency model similar to coroutines. 2) They allow developers to manually control the execution flow of tasks and are suitable for handling I/O-intensive tasks. 3) Using Fibers can write more efficient and responsive code.

The PHP community provides rich resources and support to help developers grow. 1) Resources include official documentation, tutorials, blogs and open source projects such as Laravel and Symfony. 2) Support can be obtained through StackOverflow, Reddit and Slack channels. 3) Development trends can be learned by following RFC. 4) Integration into the community can be achieved through active participation, contribution to code and learning sharing.

PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.

PHP is not dying, but constantly adapting and evolving. 1) PHP has undergone multiple version iterations since 1994 to adapt to new technology trends. 2) It is currently widely used in e-commerce, content management systems and other fields. 3) PHP8 introduces JIT compiler and other functions to improve performance and modernization. 4) Use OPcache and follow PSR-12 standards to optimize performance and code quality.

The future of PHP will be achieved by adapting to new technology trends and introducing innovative features: 1) Adapting to cloud computing, containerization and microservice architectures, supporting Docker and Kubernetes; 2) introducing JIT compilers and enumeration types to improve performance and data processing efficiency; 3) Continuously optimize performance and promote best practices.


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