前言
刚过完年,项目事情不多,老大叫我们趁着这段闲暇时间多学点其他知识,于是我和另一个iOS伙伴一起学习PHP知识,但是遇到一个问题:那就是mac 电脑的php环境配置。所以就整理了下配置方法,希望对以后的学习者可以上手更快,不要像我们一样倒腾的半天。
需要什么?
- 安装 web 服务器;
- 安装 PHP;
- 安装数据库,比如Navigate Premium, MySQL。
因为mac电脑 的OS X系统已经自带apache和php,所以只要创建.php 文件,然后上传到 web 目录中即可。服务器会自动对它们进行解析。所以你无需编译或安装任何额外的工具。下面是具体的步骤。
- apache配置1、我们需要手动开启apache服务,打开终端输入以下命令:sudo apachectl start ;手动开启后,在浏览器中输入localhost或者127.0.0.1 后会显示“It works!” 字样,则说明Apache服务开启成功;如下图:
it works.png
2、修改Apache的配置文件 ,终端中输入以下命令:sudo vim/etc/apache2/httpd.conf,然后输入电脑密码就可以进入编辑了;找到#LoadModule php5_module libexec/apache2/libphp5.so,去掉前面的注释符“#”(这里涉及一些mac终端终端命令懂一些基本命令就可以了,这里的话按i进入编辑模式,按Esc退出编辑模式,然后输入:wq退出vim并且保存修改);如下图:config.png
3、已上两步之后,在终端输入命令: sudo apachectl restart ;我们就可以重启下Apache,至此Apache就已经配置好了。4、下面就可以写个简单“hello word!”php程序来检验下。Mac OS 的Apache2的默认根目录:/Library/WebServer/Documents;我们可以在这个目录下新建.php文件,但是在此之前我们最好先安装一个php编辑器,不然用vim 编辑器没那么方便;我用的是Sublime Text2,大家可以在Sublime Text官网下载。 打开终端输入一下两条命令:touch /Library/WebServer/Documents/hello.phpopen /Library/WebServer/Documents/hello.php输入
hello.png
- 安装数据库(Navigate Premium)具体安装我就不说了,网上有很多教程;start MySQL Server 如图:
mysql.png
新建数据库
nav.png
密码不用填写:
database.png
到此环境就配好了,大家可以写程序了!!!数据库的安装写的比较简单,主要因为网上教程很多,而且不同开发人员用的工具都不一样,所以一笔带过。

To protect the application from session-related XSS attacks, the following measures are required: 1. Set the HttpOnly and Secure flags to protect the session cookies. 2. Export codes for all user inputs. 3. Implement content security policy (CSP) to limit script sources. Through these policies, session-related XSS attacks can be effectively protected and user data can be ensured.

Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

Thesession.gc_maxlifetimesettinginPHPdeterminesthelifespanofsessiondata,setinseconds.1)It'sconfiguredinphp.iniorviaini_set().2)Abalanceisneededtoavoidperformanceissuesandunexpectedlogouts.3)PHP'sgarbagecollectionisprobabilistic,influencedbygc_probabi

In PHP, you can use the session_name() function to configure the session name. The specific steps are as follows: 1. Use the session_name() function to set the session name, such as session_name("my_session"). 2. After setting the session name, call session_start() to start the session. Configuring session names can avoid session data conflicts between multiple applications and enhance security, but pay attention to the uniqueness, security, length and setting timing of session names.

The session ID should be regenerated regularly at login, before sensitive operations, and every 30 minutes. 1. Regenerate the session ID when logging in to prevent session fixed attacks. 2. Regenerate before sensitive operations to improve safety. 3. Regular regeneration reduces long-term utilization risks, but the user experience needs to be weighed.

Setting session cookie parameters in PHP can be achieved through the session_set_cookie_params() function. 1) Use this function to set parameters, such as expiration time, path, domain name, security flag, etc.; 2) Call session_start() to make the parameters take effect; 3) Dynamically adjust parameters according to needs, such as user login status; 4) Pay attention to setting secure and httponly flags to improve security.

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How to share a session between subdomains? Implemented by setting session cookies for common domain names. 1. Set the domain of the session cookie to .example.com on the server side. 2. Choose the appropriate session storage method, such as memory, database or distributed cache. 3. Pass the session ID through cookies, and the server retrieves and updates the session data based on the ID.


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