首页 \ 问答 \ F#模块签名文件的用例是什么?(What are use cases for F# module signature files?)

F#模块签名文件的用例是什么?(What are use cases for F# module signature files?)

F#模块签名文件大多没用,与OCaml不同,因为F#没有仿函数?

F#模块签名文件的用例是什么?


Are F# module signature files mostly useless, unlike OCaml, because F# doesn't have functors?

What are use cases for F# module signature files?


原文:https://stackoverflow.com/questions/49096189
更新时间:2022-04-14 10:04

最满意答案

Cookies是从用户的网页浏览器发送的。 当你从命令行执行php脚本时,没有浏览器发送或接收cookie。 除了您在命令行上传递的参数之外,没有办法访问或保存Cookie,也不会向脚本发送任何内容。

这就是说,如果你知道他们的PHPSESSID cookie,那么有一种方法可以阅读某个浏览器的用户已经访问过的会话。

假设某人通过网络浏览器访问了您的脚本,并且他们的PHPSESSID为a1b2c3d4,并且您希望在他们的会话中执行该脚本。 在命令行执行以下命令。

php -r '$_COOKIE["PHPSESSID"] = "a1b2c3d4"; session_start(); require("path_to_php_script.php");'

其中path_to_php_script.php是要执行的php脚本的路径。 实际上,如果要执行的php文件自己启动会话,则不必启动会话。 所以,你可能想要真正尝试这个命令:

php -r '$_COOKIE["PHPSESSID"] = "a1b2c3d4"; require("path_to_php_script.php");'

好的,现在让我们假设你不想访问某个人的会话,但是你只想执行脚本,就好像你已经有一个会话一样。 只需执行上一个命令,但输入您想要的任何sessionid。 并且只要每次调用脚本时使用相同的PHPSESSID,您的会话将在对脚本的调用之间保持不变。


Cookies are sent from the user's web browser. When you execute a php script from the command line, there is no browser to send or receive cookies. There is no way to access or save cookies and nothing is sent to the script except the parameters you pass on the command line.

That being said, there is a way to read a session that someone with a browser has already accessed if you know their PHPSESSID cookie.

Let's say someone has accessed your script with a web browser and their PHPSESSID is a1b2c3d4, and you want to execute the script with their session. Execute the following at the command line.

php -r '$_COOKIE["PHPSESSID"] = "a1b2c3d4"; session_start(); require("path_to_php_script.php");'

Where path_to_php_script.php is the path to the php script you want to execute. And actually, you shouldn't have to start the session if the php file you want to execute starts the session itself. So, you may want to actually try this command:

php -r '$_COOKIE["PHPSESSID"] = "a1b2c3d4"; require("path_to_php_script.php");'

OK, now let's say you don't want to access someone's session, but you just want to execute the script as if you already had a session. Just execute the previous command, but put in any sessionid you want. And your session will remain intact between calls to the script as long as you use the same PHPSESSID every time you call the script.

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