blocks|key|206390|text|我没有直接的方法可以做到这一点(除了你提到的域解决方法)，这就是为什么我们使用php-gettext的原因。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|206391|更新:我们已经开始以motranslator的形式维护它，它可以由Composer安装，并且与所有的PHP版本兼容。|206392|entityMap|0|LINK|mutability|MUTABLE|url|https://launchpad.net/php-gettext/|1|https://packagist.org/packages/phpmyadmin/motranslator^0|13|B|0|0|A|C|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

There is IMHO no direct way to do that (besides domain workaround you've mentioned), that's reason why we're using <a href="https://launchpad.net/php-gettext/" rel="nofollow noreferrer">php-gettext</a>.

Update: Which we've started to maintain as <a href="https://packagist.org/packages/phpmyadmin/motranslator" rel="nofollow noreferrer">motranslator</a>, installable by Composer and compatible with all PHP versions.

blocks|key|3054689|text|每种解决方案(1、2、3)都建议更改domain以消除缓存问题，但这将在内存中创建大量过期缓存。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3054690|因此，我深入研究了gnu-gettext源代码，以获取有关缓存策略(bindtextdom.c:78)的详细信息。|3054691|当调用bindtextdomain(domain,+dirname)时，它将检查缓存中是否存在domain；如果存在，则检查dirname是否与缓存中的相同。如果失败，它将强制刷新相同域的缓存，而不是在内存中创建新的域。|3054692|修复方法非常简单，首先创建一个指向存储.mo文件的locale文件夹的虚拟链接：|3054693|cd+locale
ln+-s+.+nocache|code-block|syntax|javascript|3054694|然后在bindtextdomain()前添加一行|3054695|bindtextdomain('domain',+'./locale/nocache');
bindtextdomain('domain',+'./locale');|3054696|现在，每次都会强制刷新缓存。|3054697|3054698|更新：|3054699|这种攻击在某些情况下可能不起作用(找不出确切的条件)。这个解决方案不应该在生产环境中使用，但只适用于那些需要在保持httpd运行的同时修复某些东西的人！|3054700|只要有可能，请避免从一开始就使用gettext，这真的是很古老的东西，应该永远弃用。|3054701|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/2177895/how-do-you-use-gettext-on-server-apache-you-cant-restart|1|http://www.php.net/manual/en/function.gettext.php#58310|2|http://blog.ghost3k.net/articles/php/11/gettext-caching-in-php^0|I|6|7|1|0|9|1|1|B|1|2|0|0|3|V|1B|6|1Q|7|0|J|3|P|6|0|0|3|G|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@$9|1G|A|1H|B|C]]|D|@$9|1I|A|1J|1|1K]|$9|1L|A|1M|1|1N]|$9|1O|A|1P|1|1Q]]|E|$]]|$1|F|3|G|5|6|7|1R|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|1S|8|@$9|1T|A|1U|B|C]|$9|1V|A|1W|B|C]|$9|1X|A|1Y|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1Z|8|@$9|20|A|21|B|C]|$9|22|A|23|B|C]]|D|@]|E|$]]|$1|L|3|M|5|N|7|24|8|@]|D|@]|E|$O|P]]|$1|Q|3|R|5|6|7|25|8|@$9|26|A|27|B|C]]|D|@]|E|$]]|$1|S|3|T|5|N|7|28|8|@]|D|@]|E|$O|P]]|$1|U|3|V|5|6|7|29|8|@]|D|@]|E|$]]|$1|W|3|-4|5|6|7|2A|8|@]|D|@]|E|$]]|$1|X|3|Y|5|6|7|2B|8|@]|D|@]|E|$]]|$1|Z|3|10|5|6|7|2C|8|@]|D|@]|E|$]]|$1|11|3|12|5|6|7|2D|8|@]|D|@]|E|$]]|$1|13|3|-4|5|6|7|2E|8|@]|D|@]|E|$]]]|14|$15|$5|16|17|18|E|$19|1A]]|1B|$5|16|17|18|E|$19|1C]]|1D|$5|16|17|18|E|$19|1E]]]]

Every solution (<a href="https://stackoverflow.com/questions/2177895/how-do-you-use-gettext-on-server-apache-you-cant-restart">1</a>, <a href="http://www.php.net/manual/en/function.gettext.php#58310" rel="nofollow noreferrer">2</a>, <a href="http://blog.ghost3k.net/articles/php/11/gettext-caching-in-php" rel="nofollow noreferrer">3</a>) suggests changing the <code>domain</code> to get rid of the cache problem, but this will create lots of out-of-date cache in memory.

So I dug into the gnu-gettext source for details on the cache strategy (bindtextdom.c:78.) 

When <code>bindtextdomain(domain, dirname)</code> is called, it will check whether <code>domain</code> exists in the cache; if so, it will then check if <code>dirname</code> is the same with the one in the cache. If this fails, it will force a cache flush for the same domain, instead of creating a new one in memory.

The fix is incredibly simple, first create a dummy link to the <code>locale</code> folder where your <code>.mo</code> file is stored:

<pre><code>cd locale
ln -s . nocache
</code></pre>

Then add one single line before <code>bindtextdomain()</code>

<pre><code>bindtextdomain('domain', './locale/nocache');
bindtextdomain('domain', './locale');
</code></pre>

Now the cache is forced to flush every time.

<hr>

Updates:

This hack may not works in some cases (Can't figure out the exact conditions.) This solution is NOT something you should use in production environment, but only for those who need to fix something while keeping httpd running! 

Whenever you can, please avoid using gettext from very beginning, this is really something ancient and should be deprecated for good.

blocks|key|3054711|text|我在从messages.po转换到messages.mo之后调用了clearstatcache();函数，它在没有重启apache的情况下工作得很好。加载我在任何语言文件中所做的每个更改。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3054712|entityMap^0|3|B|H|B|X|H|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|O|8|@]|D|@]|E|$]]]|G|$]]

I called <code>clearstatcache();</code> function after translating from <code>messages.po</code> to <code>messages.mo</code> and its working fine without restarting apache. Loading each change what I am making in any language file.

blocks|key|2841688|text|好的，在我的例子中，我需要通过执行php5.6-fpm-sp重新启动服务来重新启动phpfpm。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2841689|如果你使用的是php-fpm，你必须重新启动phpfpm才能清除gettext的缓存，重启apache2不起作用。|2841690|希望对别人是有用的。|2841691|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

ok, in my case I needed to restart phpfpm by doing service php5.6-fpm-sp restart.

If you are using php-fpm you MUST restart phpfpm in order to clear gettext's cache, restarting apache2 doesn't work.

Hope is useful to someone else.

blocks|key|3054743|text|我的解决方案是用不同的名称保存文件，例如使用日期，然后更改域：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3054744|#the+path+for+a+domain,+the+.mo+files+must+match+the+domain
#the+trick+to+avoid+permanent+caching,+is+to+use+different+names+for+the+domain,+++++++++++++like+the+date+messages_180320151250
$domain+=+'messages_180320151300';

#sets+the+path+for+a+domain,+the+.mo+files+must+match+the+domain
bindtextdomain($domain,+$_SERVER['DOCUMENT_ROOT']."/apps/cp/locale");

textdomain($domain);|code-block|syntax|javascript|3054745|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

The solution for me was to save the files with a different name, using the date for example, and then changing the domain:

<pre><code>#the path for a domain, the .mo files must match the domain
#the trick to avoid permanent caching, is to use different names for the domain, like the date messages_180320151250
$domain = 'messages_180320151300';

#sets the path for a domain, the .mo files must match the domain
bindtextdomain($domain, $_SERVER['DOCUMENT_ROOT']."/apps/cp/locale");

textdomain($domain);
</code></pre>

blocks|key|206450|text|使用apachectl+graceful命令要求进程重新读取配置。它将在请求完成服务后结束请求。所以看起来很安全。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|206451|根据Apache+HTTP+Server+2.2+Documentation的说法|206452|USR1或graceful信号会导致父进程建议子进程在其当前请求之后退出(如果子进程没有提供任何服务，则立即退出)。父级重新读取其配置文件并重新打开其日志文件。当每个子节点死亡时，父节点将其替换为新一代配置中的一个子节点，该配置立即开始为新请求提供服务。|206453|这对我很管用。|206454|entityMap|0|LINK|mutability|MUTABLE|url|http://httpd.apache.org/docs/2.2/en/stopping.html^0|2|I|0|2|10|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|W|8|@]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|H|3|I|5|6|7|10|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|11|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S]]]]

Use <code>apachectl graceful</code> command to ask the process to re-read the config. 
It will end the request AFTER the request finished serving. So it looks safe.

According to <a href="http://httpd.apache.org/docs/2.2/en/stopping.html" rel="nofollow noreferrer">Apache HTTP Server 2.2 Documentation</a>

The USR1 or graceful signal causes the parent process to advise the children to exit after their current request (or to exit immediately if they're not serving anything). The parent re-reads its configuration files and re-opens its log files. As each child dies off the parent replaces it with a child from the new generation of the configuration, which begins serving new requests immediately.

It worked for me.

This is a little code snippet from <a href="http://php.net/manual/en/function.gettext.php">php manual</a>:

<pre><code>putenv('LC_ALL=zh_CN');
setlocale(LC_ALL, 'zh_CN');

bindtextdomain('domain', './locale');
textdomain('domain');

echo gettext('Hello');
</code></pre>

Which will output 你好 as defined in <code>domain.mo</code> file, but the problem is as long as the Apache is running, <code>gettext()</code> always return the cached result.

If I change the translation of Hello to 您好 in <code>domain.mo</code>, it will still output 你好.

However there is a fix for this by changing the <code>domain</code> argument of <code>bindtextdomain()</code> and <code>textdomain()</code> to a new name. Like from <code>"domain"</code> to <code>"domain2"</code>. But this is really painful to edit the php file every time I updated the <code>.mo</code> file. 

Is there a better way for doing this, like remove some folders or calling some php functions to do the job? So that I can write a little script for this purpose.

How to clear php's gettext cache without restart Apache nor change domain?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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这是来自的一小段代码putenv('LC_ALL=zh_CN');setlocale(LC_ALL, 'zh_CN');bindtextdomain('domain', './locale');textdomain('domain');echo gettext('Hello');这将输出在domain.mo文件中定义的...

问如何清除php的gettext缓存而无需重启Apache或更改域？
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问如何清除php的gettext缓存而无需重启Apache或更改域？EN