blocks|key|108912|text|用php编写非阻塞应用程序是可能的，但这可能不是最好的环境，因为它在创建时并没有考虑到这一点！通过使用进程控制库PCNTL，您可以很好地控制子进程，但它显然不会像其他环境那样易于使用！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|108913|我不太了解python，但我个人建议你使用nodejs！这是一项相当新的技术，这是真的，但一切都是非阻塞的，它就应该是这样的！基本上你只有一个线程(在这个新闻版本中，你可以随心所欲地扩展它)，所有的东西(除非你告诉它以不同的方式做)都将是事件驱动的，留出空间在进程队列上按预期进行！|108914|Nodejs真的很容易学习，如果你曾经偶然发现过web应用程序，无论如何你都知道javascript！它仍然没有大量的文档，但有许多现成的模块可以直接下载和使用！|108915|entityMap|0|LINK|mutability|MUTABLE|url|http://www.php.net/manual/en/book.pcntl.php|1|http://nodejs.org/^0|1K|5|0|0|L|6|1|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|F|3|G|5|6|7|Z|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]|P|$5|K|L|M|C|$N|Q]]]]

Writing non blocking applications in php is possible, but it's probably not the best environment to do so, as it wasn't created keeping that in mind! You get a pretty decent control over your child processes using the process control library <a href="http://www.php.net/manual/en/book.pcntl.php" rel="noreferrer">PCNTL</a> but it obviously won't ever offer you same ease of use that other environments can give you!

I don't know python very well but personally I'd recommended you go with <a href="http://nodejs.org/" rel="noreferrer">nodejs</a>! It's a fairly new technology, that's true, but everything is non blocking there and it's meant to be that way! Basically what you have is a single thread (which you can extend however you want in this news versions) and literally everything (except you tell it to do differently) is going to be event-driven, leaving space to proceed on the process queue as expected!

Nodejs is really easy to learn, if you ever stumbled upon web applications, you know javascript anyways! it is still not hugely documented, but there are many ready to use modules you can download and use straight away!

blocks|key|108934|text|如果你想不费很多力气就拥有非阻塞的应用程序，你可以尝试使用pushpin。我在我的一个应用程序中使用了它，它工作得很好。您可以在author's+blog+post上找到更多信息。我在现有的项目上添加了这个，几乎没有改变现有的代码。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|108935|如果您想使用node，请确保这是适合该作业的工具。检查堆栈溢出问题，因为这个问题已经有答案了。问问你自己，你的应用程序想法是否适合节点功能。例如，尝试使用Why+and+When+to+use+node+js?和How+to+decide+when+to+use+NodeJS?。|108936|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/fanout/pushpin|1|http://blog.fanout.io/2013/04/09/an-http-reverse-proxy-for-realtime/|2|https://stackoverflow.com/questions/5617683/why-and-when-to-use-node-js|3|https://stackoverflow.com/questions/5062614/how-to-decide-when-to-use-nodejs^0|T|7|0|21|9|1|0|25|S|2|2Y|X|3|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]|$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|6|7|10|8|@]|9|@$A|11|B|12|1|13]|$A|14|B|15|1|16]]|C|$]]|$1|F|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|Q]]|R|$5|I|J|K|C|$L|S]]]]

If you want to have non-blocking app without a lot of effort, you can try using <a href="https://github.com/fanout/pushpin" rel="nofollow noreferrer">pushpin</a>. I use it in one of my applications and it works great. You can find out more information on author's <a href="http://blog.fanout.io/2013/04/09/an-http-reverse-proxy-for-realtime/" rel="nofollow noreferrer">blog post</a>. I added this on top of existing project, almost not changing existing code.

If you want to use node, be sure that this is right tool for the job. Check stack overflow questions, because there are already answers to that question. Ask yourself, if your application idea fits into node capabilities. Try <a href="https://stackoverflow.com/questions/5617683/why-and-when-to-use-node-js">Why and When to use node js?</a> and <a href="https://stackoverflow.com/questions/5062614/how-to-decide-when-to-use-nodejs">How to decide when to use NodeJS?</a> for example.

blocks|key|326238|text|对于编写非阻塞Swoole应用程序来说，php是一个很好的选择。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|326239|下面是一个示例：|326240|$fp+=+stream_socket_client("tcp://127.0.0.1:80",+$code,+$msg,+3);
$http_request+=+"GET+/index.html+HTTP/1.1\r\n\r\n";
fwrite($fp,+$http_request);
swoole_event_add($fp,+function($fp){
++++echo+fread($fp,+8192);
++++swoole_event_del($fp);
++++fclose($fp);
});
swoole_timer_after(2000,+function()+{
++++echo+"2000ms+timeout\n";
});
swoole_timer_tick(1000,+function()+{
++++echo+"1000ms+interval\n";
});|code-block|syntax|javascript|326241|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/swoole/swoole-src^0|7|6|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

<a href="https://github.com/swoole/swoole-src" rel="noreferrer">Swoole</a> is a good choice for writing non-blocking php application

here is a example:

<pre><code>$fp = stream_socket_client("tcp://127.0.0.1:80", $code, $msg, 3);
$http_request = "GET /index.html HTTP/1.1\r\n\r\n";
fwrite($fp, $http_request);
swoole_event_add($fp, function($fp){
 echo fread($fp, 8192);
 swoole_event_del($fp);
 fclose($fp);
});
swoole_timer_after(2000, function() {
 echo "2000ms timeout\n";
});
swoole_timer_tick(1000, function() {
 echo "1000ms interval\n";
});
</code></pre>

I want to write non-blocking applications. I use apache2, but I was reading about nginx and its advantage with respect to apache processes. I am considering changing out apache for nginx. My question is, is it possible to write non-blocking web applications with php and nginx?.

Or is a better idea to try and do this with python, using some reverse proxy like uwsgi or gunicorn with nginx? Or is the solution to learn nodejs?

Write PHP non blocking applications

我想写非阻塞的应用程序。我使用的是apache2，但我读到的是关于nginx及其在apache进程方面的优势。我正在考虑把apache换成nginx。我的问题是，有没有可能用php和nginx编写非阻塞的web应用程序？或者更好的办法是尝试使用python，使用一些反向代理，比如uwsgi或者使用nginx的gunic...

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