Swoole:PHP语言的异步、并行、高性能网络通信框架,使用纯C语言编写,提供了PHP语言的异步多线程服务器,异步TCP/UDP网络客户端,异步MySQL,数据库连接池,AsyncTask,消息队列,毫秒定时器,异步文件读写,异步DNS查询。
官网称,swoole重新定义php。有点让人难以理解,其实容易用c扩展本身就是php本身的一大特点。官网这么说,可能是让人们以一种新的思维方式去看php,去用php。swoole,可以给你摆脱写web一条线走到底的一个机会,而且用c扩展,性能优秀。php可以写服务了,应用将更为广泛。php还是原来的php,只是长出了对翅膀。重新定义,php不是草根,没有草根语言只有草根的人。
Rango自己也说,swoole可能不是解决网络编程的终极方案,swoole提升了运行效率,同时保留了php的高开发效率。
本人暂时不能熟练使用c语言,这里只记录自己在使用swoole中的一些心得体会,捎带脚给swoole做一点点广告,好东西是要分享的。
先介绍两个好东西。
1、swoole_http_server,swoole在swoole_server基础上实现的http服务器。有人会问,有nginx,这有何用。确实,静态的东西它不在行,但是它让php和http很好融合在一起,不在经过各种cgi,很适合做动态的web服务。
2、swoole_websocket_server,swoole在swoole_http_server基础上实现的websocket服务器,很好的对接h5。内部实现websocket协议,回调接口中只需要写握手成功之后的逻辑就ok,增加了开发效率,运行速度当然也不会差。长连接不是梦,而且很easy。
以前用erlang做过游戏服务器开发,但是php一直没丢下。所以先拿swoole_websocket_server下手。
还有,一定要对自己所用的足够喜欢,不喜欢是很难深入的,这是看Rango博客的感悟。swoole在刚出生的时候,经常去跟node对比,这本身没有大错。因为喜欢,所以不能忍,所以要努力突破,进而才能进步。开启swoole之旅,swoole。

PHPidentifiesauser'ssessionusingsessioncookiesandsessionIDs.1)Whensession_start()iscalled,PHPgeneratesauniquesessionIDstoredinacookienamedPHPSESSIDontheuser'sbrowser.2)ThisIDallowsPHPtoretrievesessiondatafromtheserver.

The security of PHP sessions can be achieved through the following measures: 1. Use session_regenerate_id() to regenerate the session ID when the user logs in or is an important operation. 2. Encrypt the transmission session ID through the HTTPS protocol. 3. Use session_save_path() to specify the secure directory to store session data and set permissions correctly.

PHPsessionfilesarestoredinthedirectoryspecifiedbysession.save_path,typically/tmponUnix-likesystemsorC:\Windows\TemponWindows.Tocustomizethis:1)Usesession_save_path()tosetacustomdirectory,ensuringit'swritable;2)Verifythecustomdirectoryexistsandiswrita

ToretrievedatafromaPHPsession,startthesessionwithsession_start()andaccessvariablesinthe$_SESSIONarray.Forexample:1)Startthesession:session_start().2)Retrievedata:$username=$_SESSION['username'];echo"Welcome,".$username;.Sessionsareserver-si

The steps to build an efficient shopping cart system using sessions include: 1) Understand the definition and function of the session. The session is a server-side storage mechanism used to maintain user status across requests; 2) Implement basic session management, such as adding products to the shopping cart; 3) Expand to advanced usage, supporting product quantity management and deletion; 4) Optimize performance and security, by persisting session data and using secure session identifiers.

The article explains how to create, implement, and use interfaces in PHP, focusing on their benefits for code organization and maintainability.

The article discusses the differences between crypt() and password_hash() in PHP for password hashing, focusing on their implementation, security, and suitability for modern web applications.

Article discusses preventing Cross-Site Scripting (XSS) in PHP through input validation, output encoding, and using tools like OWASP ESAPI and HTML Purifier.


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DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

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Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
