blocks|key|105811|text|这似乎是一个非常奇怪的问题，我做了以下几件事情来解决这个问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|105812|我通过这教程在Wamp中升级了PHP。我还更新了php.ini中的时区，当我升级它不起作用时，所以我又回到了以前的PHP版本，而voil又开始工作了。|offset|length|style|CODE|105813|我完全不知道这是如何解决问题的，但它对我是有效的。|105814|entityMap|0|LINK|mutability|MUTABLE|url|http://john-dugan.com/upgrade-php-wamp/^0|0|O|7|3|1|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@$D|T|E|U|F|G]]|9|@$D|V|E|W|1|X]]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

This seems to be some really weird problem, and I somehow fixed it by doing the following:

I upgraded my PHP in Wamp through <a href="http://john-dugan.com/upgrade-php-wamp/" rel="nofollow">this</a> tutorial. I also updated my timezone in <code>php.ini</code> When I upgraded it didn't work, so I reverted back to my previous version of PHP, and voilà - it worked.

I have absolutely no idea how this solved the problem, however it worked for me.

blocks|key|105562|text|您只需要在php.ini中启用这个扩展，方法是取消对以下行的注释：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|105563|extension=ext/php_intl.dll|code-block|syntax|javascript|105564|欲了解更多细节，请访问启用intl扩展|105565|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/20837949/2475091^0|5|7|0|0|B|8|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|D|@$9|Z|A|10|1|11]]|E|$]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

You just need to enable this extension in <code>php.ini</code> by uncommenting this line:
<pre><code>extension=ext/php_intl.dll
</code></pre>
For more details visit, <a href="https://stackoverflow.com/a/20837949/2475091">Enable intl extension</a>

blocks|key|2040643|text|在Path环境变量中添加PHP目录。(C：\用于wamp的程序Files\wamp\bin\php\phpX.XXX.XXX+)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2040644|对我来说很管用！|2040645|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Add your PHP directory in the Path environment variable.
(C:\Program Files\wamp\bin\php\phpX.XXX.XXX for wamp)

It has worked for me!

blocks|key|2040691|text|如果您正在使用，只需添加：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2040692|extension+=+"intl.so"|code-block|syntax|javascript|2040693|应用程序的php.ini文件。|2040694|https://cloud.google.com/appengine/docs/php/runtime|offset|length|2040695|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|0|1F|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|U|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|V|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|W|8|@]|9|@$K|X|L|Y|1|Z]]|A|$]]|$1|M|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|J]]]]

If you are using Google App Engine, just add:

<pre><code>extension = "intl.so"
</code></pre>

to your application's php.ini file.

<a href="https://cloud.google.com/appengine/docs/php/runtime" rel="noreferrer">https://cloud.google.com/appengine/docs/php/runtime</a>

blocks|key|998458|text|php扩展中的更改不适用于我，因此我将php版本从php+5.6.25更新到7.0.10，并且起了作用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|998459|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Change in php extensions did not work for me so I updated my php version from php 5.6.25 to 7.0.10 and it worked

blocks|key|105604|text|你所需要的就是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|105605|apt-get+install+php7.0-intl|code-block|syntax|javascript|105606|不需要更改php.ini或做任何其他事情。(在Ubuntu16.04上的PHP+7上进行测试)。|105607|这里投票最多的答案是取消对.dll的评论，除非您在Windows上，否则它永远解决不了任何问题！|105608|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

All you need is:

<pre><code>apt-get install php7.0-intl
</code></pre>

No need to change php.ini or do anything else. (Tested on PHP 7 on Ubuntu 16.04).

The most up-voted answer here has you uncommenting a .dll which will never solve anything unless you are on a Windows server!

blocks|key|2040782|text|我正在使用PHP5.5版本，并在中得到了相同的错误。我已经安装了php5-Intl软件包并重新启动了我的服务器，解决了这个问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2040783|对于PHP5|2040784|sudo+apt-get+install+php5-intl|code-block|syntax|javascript|2040785|对于PHP7|2040786|sudo+apt-get+install+php7.0-intl|2040787|对于Mac，对PHP5.6使用以下命令|2040788|brew+install+php56-intl|2040789|对于不同的操作系统，请查看此页面：http://php.net/manual/en/intl.installation.php|2040790|要检查安装是否成功，请运行命令php+-m。这将显示列表中的intl包。|2040791|如果在Mac中使用XAMPP，php有时会产生不同的问题。您可以按照提到的这里调试步骤执行。|2040792|如果您面临的是无法加载动态库'/usr/lib/php/extensions/no-debug-non-zts-20121212/intl.so'错误的，请按照前面提到的这里步骤执行|2040793|entityMap|0|LINK|mutability|MUTABLE|url|http://php.net/manual/en/intl.installation.php|1|https://stackoverflow.com/a/32404183/3534696|2|https://stackoverflow.com/a/38304256/3534696^0|Q|Q|0|0|0|0|0|0|0|H|1A|0|0|0|10|0|11|2|1|0|24|F|2D|2|2|0^^$0|@$1|2|3|4|5|6|7|1E|8|@$9|1F|A|1G|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1H|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1I|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1J|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|1K|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1L|8|@]|D|@]|E|$]]|$1|S|3|T|5|J|7|1M|8|@]|D|@]|E|$K|L]]|$1|U|3|V|5|6|7|1N|8|@]|D|@$9|1O|A|1P|1|1Q]]|E|$]]|$1|W|3|X|5|6|7|1R|8|@$9|1S|A|1T|B|C]]|D|@]|E|$]]|$1|Y|3|Z|5|6|7|1U|8|@]|D|@$9|1V|A|1W|1|1X]]|E|$]]|$1|10|3|11|5|6|7|1Y|8|@$9|1Z|A|20|B|C]]|D|@$9|21|A|22|1|23]]|E|$]]|$1|12|3|-4|5|6|7|24|8|@]|D|@]|E|$]]]|13|$14|$5|15|16|17|E|$18|19]]|1A|$5|15|16|17|E|$18|1B]]|1C|$5|15|16|17|E|$18|1D]]]]

I am using PHP 5.5 version and got the same error in Ubuntu Machine. I have installed php5-Intl package and restarted my apache server. This resolved the issue.

For PHP5

<pre><code>sudo apt-get install php5-intl
</code></pre>

For PHP7 

<pre><code>sudo apt-get install php7.0-intl
</code></pre>

For Mac OS X, use the following command for PHP5.6

<pre><code>brew install php56-intl
</code></pre>

For different OS, checkout this page : <a href="http://php.net/manual/en/intl.installation.php" rel="noreferrer">http://php.net/manual/en/intl.installation.php</a>

To check successful installation, run the command php -m. This should show the intl package in the list.

If you are using XAMPP in Mac OS X, php-intl will sometimes create different problems. You can follow the debug steps mentioned <a href="https://stackoverflow.com/a/32404183/3534696">here</a>

If you are facing Unable to load dynamic library '/usr/lib/php/extensions/no-debug-non-zts-20121212/intl.so' error, follow the steps as mentioned <a href="https://stackoverflow.com/a/38304256/3534696">here</a>

blocks|key|2040805|text|不合时宜|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2040806|在Max+OS+X和Homebrew一起安装的PHP上，我们可以：|offset|length|style|BOLD|2040807|我们可以检查是否安装了模块intl：|CODE|2040808|$+php+-m|code-block|syntax|javascript|2040809|我们可以查看模块信息：|2040810|$+brew+info+php72-intl|2040811|安装+it时：|2040812|$+brew+install+php72-intl|2040813|entityMap^0|0|1|8|A|8|0|D|4|0|0|0|0|0|2|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|10|8|@$D|11|E|12|F|G]|$D|13|E|14|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|15|8|@$D|16|E|17|F|J]]|9|@]|A|$]]|$1|K|3|L|5|M|7|18|8|@]|9|@]|A|$N|O]]|$1|P|3|Q|5|6|7|19|8|@]|9|@]|A|$]]|$1|R|3|S|5|M|7|1A|8|@]|9|@]|A|$N|O]]|$1|T|3|U|5|6|7|1B|8|@$D|1C|E|1D|F|G]]|9|@]|A|$]]|$1|V|3|W|5|M|7|1E|8|@]|9|@]|A|$N|O]]|$1|X|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|Y|$]]

outdated

On Max OS X with PHP installed with the Homebrew, we can:

We can check is module <code>intl</code> installed:

<pre><code>$ php -m
</code></pre>

We can check module info:

<pre><code>$ brew info php72-intl
</code></pre>

And install it with:

<pre><code>$ brew install php72-intl
</code></pre>

blocks|key|998610|text|我只需要做以下几件事情，它就会完美地工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|998611|$numbers+=+123456789;

$toThousands+=+number_format($numbers);|code-block|syntax|javascript|998612|结果将是:+123,456,789，功能"number_format“已经在功能上建立。|998613|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

i could just do the following and it will work perfect.

<pre><code>$numbers = 123456789;

$toThousands = number_format($numbers);
</code></pre>

results will be: 123,456,789, the func "number_format" is already build in function.

blocks|key|2040934|text|我运行的是ubuntu-16.04，我使用的是php7，我也遇到了同样的问题，这是因为php_intl扩展|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2040935|我修好它的方式-|2040936|首先检查您的服务器上是否安装了扩展名，使用下面的命令检查它。
-m+=+grep+intl|unordered-list-item|2040937|如果没有结果，您必须安装它|2040938|如果没有安装，让我们安装它
sudo+apt-获取更新sudo+apt-get+install+php-intl|2040939|最后，您需要在安装后重新启动web服务器。|2040940|类“NumberFormatter”在简单PHP程序中找不到错误|2040941|https://www.howtoinstall.co/en/ubuntu/xenial/php-intl|2040942|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/33876590/class-numberformatter-not-found-error-in-simple-php-program|1^0|17|8|0|0|0|0|0|0|0|W|0|0|0|1H|1|0^^$0|@$1|2|3|4|5|6|7|13|8|@$9|14|A|15|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|16|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|17|8|@]|D|@]|E|$]]|$1|K|3|L|5|J|7|18|8|@]|D|@]|E|$]]|$1|M|3|N|5|J|7|19|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|1A|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1B|8|@]|D|@$9|1C|A|1D|1|1E]]|E|$]]|$1|S|3|T|5|6|7|1F|8|@]|D|@$9|1G|A|1H|1|1I]]|E|$]]|$1|U|3|-4|5|6|7|1J|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|11]]|12|$5|X|Y|Z|E|$10|T]]]]

I am running on ubuntu-16.04 and I am using php7, I had the same issue,
It is because of the php_intl extension

the way I fixed it-

<ul>
<li>First check the extension is installed or not on your server, use below command to check it

<pre><code>php -m | grep intl
</code></pre></li>
<li>If there's no results, you must need to install it</li>
<li>If not installed, let's install it

<pre><code>sudo apt-get update
sudo apt-get install php-intl
</code></pre></li>
<li>Finally you need to restart your web server after you install</li>
</ul>

<a href="https://stackoverflow.com/questions/33876590/class-numberformatter-not-found-error-in-simple-php-program">Class &#39;NumberFormatter&#39; not found error in simple PHP program</a>

<a href="https://www.howtoinstall.co/en/ubuntu/xenial/php-intl" rel="noreferrer">https://www.howtoinstall.co/en/ubuntu/xenial/php-intl</a>

blocks|key|2040944|text|这对我有用(Ubuntu18.10，PHP+7.2.15)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2040945|sudo+apt-get+install+php-intl
service+apache2+restart|code-block|syntax|javascript|2040946|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|$]]

This worked for me (Ubuntu 18.10, PHP 7.2.15)

<pre><code>sudo apt-get install php-intl
service apache2 restart
</code></pre>

blocks|key|998707|text|这意味着您的package没有安装和/或未启用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|998708|步骤1|offset|length|style|BOLD|998709|确保您安装了php7.2-intl+(或检查它是否已安装)。在我的例子中，我使用了PHP7.2，但是版本可能会改变。|CODE|998710|为了安装，我使用了|998711|sudo+apt+install+php7.2-intl|code-block|syntax|javascript|998712|步骤2|998713|安装成功后，转到php.ini并通过删除注释启用该扩展，如下所示|998714|extension=intl|998715|步骤3|998716|重新启动apache|998717|sudo+service+apache2+restart|998718|entityMap^0|0|0|3|0|6|B|0|0|0|0|3|0|8|7|0|0|0|3|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|16|8|@$D|17|E|18|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|19|8|@$D|1A|E|1B|F|J]]|9|@]|A|$]]|$1|K|3|L|5|6|7|1C|8|@]|9|@]|A|$]]|$1|M|3|N|5|O|7|1D|8|@]|9|@]|A|$P|Q]]|$1|R|3|S|5|6|7|1E|8|@$D|1F|E|1G|F|G]]|9|@]|A|$]]|$1|T|3|U|5|6|7|1H|8|@$D|1I|E|1J|F|J]]|9|@]|A|$]]|$1|V|3|W|5|O|7|1K|8|@]|9|@]|A|$P|Q]]|$1|X|3|Y|5|6|7|1L|8|@$D|1M|E|1N|F|G]]|9|@]|A|$]]|$1|Z|3|10|5|6|7|1O|8|@]|9|@]|A|$]]|$1|11|3|12|5|O|7|1P|8|@]|9|@]|A|$P|Q]]|$1|13|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|14|$]]

This means that your <code>intl</code> package for PHP is not installed and/or not enabled.

Step 1

Make sure that you install <code>php7.2-intl</code> (or check that it is installed). In my case, I had PHP 7.2, but the version could change.

To install, I used

<pre><code>sudo apt install php7.2-intl
</code></pre>

Step 2

After a successful installation, go to <code>php.ini</code> and enable that extension by removing the comment, as follows

<pre><code>extension=intl
</code></pre>

Step 3

Retstart apache

<pre><code>sudo service apache2 restart
</code></pre>

blocks|key|2041018|text|实际上，如果您使用xampp和php+>+7.*|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2041019|编辑行;extension=intl到extension=intl，重新启动mysql服务，您就可以开始了。|offset|length|style|CODE|2041020|entityMap^0|0|3|F|J|E|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]|$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|I|$]]

Actually if you're using xampp and php &gt; 7.*
edit the line <code>;extension=intl</code> to <code>extension=intl</code>, restart mysql service and you're good to go.

blocks|key|2041079|text|适用于所有Windows和Mac.的解决方案|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2041080|在大多数情况下，这个扩展是不存在的，您只需要在php.ini中通过取消注释这一行来启用这个扩展，|2041081|++++++++++extension=intl|code-block|syntax|javascript|2041082|如果该行不存在，那么在第一行以下的任何位置添加该行如下，|2041083|+++++++++extension=intl
+++++++++extension=ext/php_intl.dll|2041084|为了获得更好的结果，请在下面添加类似的内容，因为在某些情况下，上面的结果并不只适用于低于1的情况，|2041085|+++++++++extension=php_intl.dll|2041086|然后看起来像这样，|2041087|+++++++++extension=ext/php_intl.dll
+++++++++extension=php_intl.dll
+++++++++extension=intl|2041088|之后--大部分不要忘记重新启动您的服务器--在我的例子中，我使用的是xampp，否则更改不能正常工作。|2041089|entityMap^0|I|4|0|0|1C|0|0|0|S|0|0|0|1D|0|0|0|9|0|0|0|1F|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|15|8|@$9|16|A|17|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|18|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|19|8|@$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|1C|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|S|3|T|5|J|7|1G|8|@]|D|@]|E|$K|L]]|$1|U|3|V|5|6|7|1H|8|@$9|1I|A|1J|B|C]]|D|@]|E|$]]|$1|W|3|X|5|J|7|1K|8|@]|D|@]|E|$K|L]]|$1|Y|3|Z|5|6|7|1L|8|@$9|1M|A|1N|B|C]]|D|@]|E|$]]|$1|10|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]]|11|$]]

Solutions For ALL Windows and Mac.
Most of time this extension is not there, You just need to enable this extension in php.ini by uncommenting this line,
<pre><code> extension=intl
</code></pre>
if that line doesn't exists then add that line as like below in any place below first line,
<pre><code> extension=intl
 extension=ext/php_intl.dll
</code></pre>
for better result add below as like as well because with above one is in some scenario not working with only below one,
<pre><code> extension=php_intl.dll
</code></pre>
Then it look like this,
<pre><code> extension=ext/php_intl.dll
 extension=php_intl.dll
 extension=intl
</code></pre>
After That Mostly Don't Forgot to restart your server in my case I am using xampp otherwise the changes not working properly.

blocks|key|105723|text|在CentOS+8上：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|105724|sudo+dnf+install+php-intl|code-block|syntax|javascript|105725|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|$]]

On CentOS 8:
<pre><code>sudo dnf install php-intl
</code></pre>

blocks|key|105730|text|另外，如果有人来到这里，在Laravel上使用php+artisan+serve并面临这个问题，并且已经取消评论|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|105731|extension=intl|code-block|syntax|javascript|105732|在php.ini上，不要忘记重新启动Laravel服务器。|105733|entityMap^0|N|H|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

for additional, if someone come here and on Laravel using <code>php artisan serve</code> and facing this problem, and already uncomment
<pre><code>extension=intl
</code></pre>
on php.ini, don't forget to restart your Laravel dev server.

blocks|key|105735|text|我从docker映像php中得到了相同的错误:7.4-FPM，所以我在Dockerfile中添加了以下行|type|unstyled|depth|inlineStyleRanges|entityRanges|data|105736|RUN+apt-get+install+-y+libicu-dev+#+required+dependency

RUN+docker-php-ext+install+intl|code-block|syntax|javascript|105737|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|$]]

I got the same error from inside docker image php:7.4-fpm, so I added the following lines to the Dockerfile
<pre><code>RUN apt-get install -y libicu-dev # required dependency

RUN docker-php-ext install intl
</code></pre>

blocks|key|2041122|text|同样的问题也发生在我身上，我已经配置了php.ini并启用了intl扩展，错误持续存在，并通过在Windows系统路径的环境变量中添加PHP来解决这个问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2041123|entityMap^0|J|7|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

the same problem happened to me, I already configured the php.ini and enabled the intl extension, the error persisted and I solved it by adding PHP in the environment variables of the system PATH in Windows

blocks|key|998858|text|(Ubuntu+20.04.3+LTS，PHP版本7.4.30)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|998859|sudo+apt-get+install+php7.4-intl
sudo+service+nginx+restart|code-block|syntax|javascript|998860|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|$]]

(Ubuntu 20.04.3 LTS, PHP Version 7.4.30)
<pre><code>sudo apt-get install php7.4-intl
sudo service nginx restart
</code></pre>

blocks|key|105770|text|首先，停止XAMPP/Wamp，然后将开始分号(+;+)从您的xampp\php\php.ini中删除如下代码。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|105771|;extension=intl|code-block|syntax|javascript|105772|然后重新启动XAMPP/Wamp。|105773|注意:对于Windows，您可以在C:\xampp\php\php.ini-Folder+(Windows)或etc-文件夹(xampp-文件夹)中找到该文件。|BOLD|105774|非常重要的注意事项：“关闭命令提示符并再次重新启动”(这非常重要，因为如果您没有重新启动命令提示符，那么更改将不会被反映)。|105775|entityMap^0|P|1|0|0|0|H|K|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|W|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|X|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|Y|8|@$9|Z|A|10|B|O]]|D|@]|E|$]]|$1|P|3|Q|5|6|7|11|8|@]|D|@]|E|$]]|$1|R|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|S|$]]

First of all, stop the XAMPP/Wamp and then kindly remove the starting semicolon ( <code>;</code> ) from your xampp\php\php.ini the following code.
<pre><code>;extension=intl
</code></pre>
And then restart your XAMPP/Wamp.
NOTE: For Windows, you can find the file in the C:\xampp\php\php.ini-Folder (Windows) or in the etc-Folder (within the xampp-Folder).
Very Important Note: &quot;Close your Command Prompt And Restart Again&quot; (It's very important because if you didn't restart your command prompt then changes will not be reflected.)

I've been using this exact same code for ages, and I have never had a single problem. Now all of a sudden it has stopped working.

I have read across the internet about this problem, and apparently you need <code>PHP 5.3 or higher</code> installed, and the <code>PHP intl</code> plugin installed. I have both of these, yet I am still receiving a <code>Fatal error: Class 'NumberFormatter' not found</code> error whenever I use the following function:

<pre><code>function format_item($value)
{
 $format = new \NumberFormatter('en_US', \NumberFormatter::CURRENCY);
 return $format-&gt;formatCurrency($value, 'AUD');
}
</code></pre>

Also, here is a snippit from my <code>php.ini</code> file showing that I have the <code>PHP intl</code> plugin installed:

<pre><code>[intl]
intl.default_locale = fr_FR
; This directive allows you to produce PHP errors when some error
; happens within intl functions. The value is the level of the error produced.
; Default is 0, which does not produce any errors.
intl.error_level = E_WARNING
</code></pre>

I also have the <code>extension=php_intl.dll</code> in my <code>php.ini</code>, and it is also in my directory.

Why am I getting this error?

Fatal error: Class 'NumberFormatter' not found

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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多年来，我一直在使用这个完全相同的代码，而且我从来没有遇到过任何问题。现在，它突然停止工作了。我在网上读到过关于这个问题的文章，显然你需要安装PHP 5.3 or higher，安装PHP intl插件。这两者我都有，但每当我使用以下函数时，仍然会收到一个Fatal error: Class 'NumberFormat...

问致命错误:找不到类“NumberFormatter”
EN

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问致命错误:找不到类“NumberFormatter”EN