blocks|key|3048972|text|WAMP在命令行界面和Apache中使用不同的php.ini文件。当您通过WAMP+UI启用php_openssl时，您是为Apache启用它，而不是为CLI启用它。您需要修改C:\wamp\bin\php\php-5.4.3\php.ini，以便为CLI启用它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3048973|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|$]]

WAMP uses different php.ini files in the CLI and for Apache. when you enable php_openssl through the WAMP UI, you enable it for Apache, not for the CLI.
You need to modify C:\wamp\bin\php\php-5.4.3\php.ini to enable it for the CLI.

blocks|key|2836223|text|简而言之，在wamp/bin/php/php5.3.13(或其他php版本)中取消对这行代码的注释：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2836224|;extension=php_openssl.dll+(删除;)|2836225|现在运行Composer的命令行安装。你不会有错误的。|2836226|可以开始了！|2836227|entityMap^0|6|M|0|0|Q|U|1|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@$9|R|A|S|B|C]|$9|T|A|U|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|V|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|W|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|M|$]]

Short and sweet, uncomment this line in <code>wamp/bin/php/php5.3.13</code>(or whatever php version): 
<code>;extension=php_openssl.dll</code> (remove the <code>;</code>) 
Now run the command line installation of Composer. You won't have an error. 
Good to go!

blocks|key|2836235|text|即使启用了openssl，我也遇到了同样的问题。问题是Composer安装程序正在查看以下配置文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2836236|C:\wamp\bin\php\php5.4.3\php.ini|2836237|但是加载的配置文件实际上在这里：|2836238|C:\wamp\bin\apache\apache2.2.22\bin\php.ini|2836239|所以我只需要在第一个php.ini文件中将其取消注释，这就解决了问题。这就是WAMP默认安装在我的机器上的方式。我没有去改变任何东西，所以这可能也会发生在其他人身上。这基本上与Augie+Gardner上面的答案相同，但我只是想指出您可能有两个php.ini文件。|2836240|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|N|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|O|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

I had the same problem even though openssl was enabled. The issue was that the Composer installer was looking at this config file:

C:\wamp\bin\php\php5.4.3\php.ini

But the config file that's loaded is actually here:

C:\wamp\bin\apache\apache2.2.22\bin\php.ini

So I just had to uncomment it in the first php.ini file and that did the trick. This is how WAMP was installed on my machine by default. I didn't go changing anything, so this will probably happen to others as well. This is basically the same as Augie Gardner's answer above, but I just wanted to point out that you might have two php.ini files.

blocks|key|203583|text|在两者中取消对;extension=php_openssl.dll的注释|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|203584|wamp\bin\php\php5.4.12\php.ini
wamp\bin\apache\Apache2.4.4\bin\php.ini|code-block|syntax|javascript|203585|看起来不错|203586|entityMap^0|7|Q|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|$]]

uncomment <code>;extension=php_openssl.dll</code> in both 

<pre><code>wamp\bin\php\php5.4.12\php.ini
wamp\bin\apache\Apache2.4.4\bin\php.ini
</code></pre>

it will work

blocks|key|2836259|text|您应该创建一个指向php.ini的符号链接。为russian+link感到遗憾。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2836260|entityMap|0|LINK|mutability|MUTABLE|url|http://plutov.by/post/composer_openserver^0|N|C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You should make a symlink to php.ini. Sorry for <a href="http://plutov.by/post/composer_openserver" rel="nofollow">russian link</a>.

blocks|key|203594|text|是的，您必须打开php.ini并删除分号以：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|203595|;extension=php_openssl.dll|code-block|syntax|javascript|203596|像这样去掉";“，它就可以工作了。|203597|extension=php_openssl.dll|203598|祝你编码愉快。|203599|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Yes, you must have to open php.ini and remove the semicolon to:

<pre><code>;extension=php_openssl.dll
</code></pre>

remove the ";" like this and it will work.

<pre><code>extension=php_openssl.dll
</code></pre>

Happy Coding.

blocks|key|200735|text|为了安装Composer，我使用了以下步骤：(WAMP版本2.4+x64bit)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|200736|edit+->
**C:\wamp\bin\php\php5.4.12\php.ini**
;;uncomment+below+line+or+remove+the+semicolons+';'
extension=php_openssl.dll

**C:\wamp\bin\apache\Apache2.4.4\bin\php.ini**

extension=php_openssl.dll|code-block|syntax|javascript|200737|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|$]]

For installing Composer below steps worked me:(WAMP version 2.4 x64bit)

<pre><code>edit -&gt;
**C:\wamp\bin\php\php5.4.12\php.ini**
;;uncomment below line or remove the semicolons ';'
extension=php_openssl.dll

**C:\wamp\bin\apache\Apache2.4.4\bin\php.ini**

extension=php_openssl.dll
</code></pre>

blocks|key|203120|text|您需要编辑搜索：;extension=php_openssl.dll的"c:\Program+Files\wamp\bin\php\php5.3.13\php.ini“文件|type|unstyled|depth|inlineStyleRanges|entityRanges|data|203121|去掉开头的分号|203122|注意:如果保存文件不起作用，则需要以管理员身份进行编辑。(在win7上)进入开始菜单，搜索记事本，右击记事本，点击“以管理员身份运行”|203123|在composer安装窗口中，只需单击“上一步”，然后单击“下一步”(或将其关闭并重新启动)，即可正常工作|203124|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

you need to edit the "c:\Program Files\wamp\bin\php\php5.3.13\php.ini" file
search for:
;extension=php_openssl.dll

remove the semicolon at the beginning

note: if saving the file doesn't work then you need to edit it as administrator. (on win7) go to start menu, search for notepad, right-click on notepad, click "Run As Administrator"

in the composer installation windows just click back then next (or close it and start again) and it should work

blocks|key|203643|text|除了取消其他人提到的php.ini中的;extension=php_openssl.dll行的注释外，还必须确保;extension_dir+=+"ext"行也是未注释的。要取消注释，请删除前缀分号并保存。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|203644|这一行可能已经在WAMP和XAMPP等包中没有注释，但它不在Windows的普通PHP下载中，所以它值得验证。此外，您还必须通过将其中一个示例(如php.ini-development+)复制到一个新文件中来创建php.ini文件，然后将其命名为php.ini。然后在那里进行这些更改。|203645|另外，将来要安装PHP和Composer等工具，我建议使用Chocolatey包管理器。然后它就像choco+install+composer一样简单。当然，在使用choco方法安装Composer之前，您仍然需要编辑php.ini。在未来的Windows版本中，apt-get的方式与Ubuntu相同。对于开发人员来说，激动人心的时刻即将到来！|203646|无论使用哪种方法，在安装Composer之后，不要忘记重新启动您的终端。无论您使用的是Command+Prompt、Bash+(使用Git安装)还是Powershell，您都需要在更新后的环境变量生效之前重新启动它。|203647|entityMap^0|A|7|J|Q|1K|M|0|21|J|2Y|7|3F|7|0|1D|M|3O|7|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|11|8|@$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|16|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|M|$]]

In addition to uncommenting the <code>;extension=php_openssl.dll</code> line in <code>php.ini</code> that everyone else has mentioned, you also have to ensure the <code>;extension_dir = "ext"</code> line is also uncommented. To uncomment, remove the prefixed semicolon and save.

That line might already be uncommented in packages like WAMP and XAMPP, but it's not in a plain PHP download for Windows, so it's worth verifying. Also, you have to create the <code>php.ini</code> file by copying one of the examples, like <code>php.ini-development</code> to a new file and then name it <code>php.ini</code>. Then make these changes there.

Also, in the future, to install tools such as PHP and Composer, I recommend using the Chocolatey package manager. Then it's as simple as <code>choco install composer</code>. Of course, you'd still need to edit php.ini before installing Composer with the choco method. In future versions of Windows, <a href="http://www.howtogeek.com/200334/windows-10-includes-a-linux-style-package-manager-named-oneget/">package management tools like Chocolatey will be baked into Windows</a>, the same way <code>apt-get</code> is in Ubuntu. Exciting times ahead for developers!

With either method, after installing Composer, don't forget to restart your terminal. Whether you're using Command Prompt, Bash (installs with Git), or Powershell, you'll need to restart it before the updated environmental variables work.

blocks|key|203662|text|打开wamp/bin/apache/apache2.4.4/bin/php+config..wamp/bin/php/php5.4.16/php+conf设置、php-ini产品、php-ini+dev、phpForApache通过删除;查找extension=php_openssl.dll和取消注释|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|203663|entityMap^0|3A|1|3D|P|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

opened wamp/bin/apache/apache2.4.4/bin/php config.. 
 wamp/bin/php/php5.4.16/php conf settings, php-ini production, php-ini dev, phpForApache find extension=php_openssl.dll and uncomment by removing ;

blocks|key|203187|text|所有这些答案都很好，但实际上，如果你想理解，如果你想让所有未注释的扩展都正常工作，那么扩展目录就需要正确。可以编写物理路径或相对路径，如|type|unstyled|depth|inlineStyleRanges|entityRanges|data|203188|extension_dir+=+"C:/myStack/php/ext"|code-block|syntax|javascript|203189|或|203190|extension_dir+=+"../../php/ext"|203191|它相对于httpd.exe+Apache+web服务器(C:\myStack\apache\bin)，但如果你想让它与Composer、或其他任何东西一起工作，你需要physical+path，因为cli模式不使用web服务器！|offset|length|style|BOLD|203192|entityMap^0|0|0|0|0|1N|9|2B|D|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@$M|X|N|Y|O|P]|$M|Z|N|10|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

All those answers are good, but in fact, if you want to understand, the extension directory need to be right if you want all you uncommented extensions to work. Can write a physical or relative path like 

<pre><code>extension_dir = "C:/myStack/php/ext"
</code></pre>

or

<pre><code>extension_dir = "../../php/ext"
</code></pre>

It's relative to the httpd.exe Apache web server (C:\myStack\apache\bin)
But if you want it to work with Composer or anything you need the physical path because the cli mode doesn't use the web server !

blocks|key|2836463|text|我也面临着同样的问题。我将我的php文件夹从php7_winxxxx重命名为just+php，它工作得很好。看起来composer正在检查c:/php/ext中php_openssl模块的位置。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2836464|您可能还需要将c:/php添加到PATH+in环境变量中|2836465|entityMap^0|M|C|1X|A|0|7|6|G|4|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|I|$]]

I was facing the same issue. I renamed my php folder from <code>php7_winxxxx</code> to just php and it worked fine. It looked like composer was checking the location to the php_openssl module in <code>c:/php/ext</code>.

You may also need to add <code>c:/php</code> to the <code>PATH</code> in environment variable

Trying to install <a href="http://getcomposer.org/" rel="noreferrer">Composer</a> dependency management tool on Win7/64 + WampServer 2.2 via the <a href="http://getcomposer.org/download/" rel="noreferrer">Setup Installer</a> and I am getting the following message:

<blockquote>
 The openssl extension is missing, which will reduce the security and stability of Composer.
 If possible you should enable it or recompile php with --with-openssl 
</blockquote>

So here is what I did...

<ol>
<li>From my Wamp icon in Tray, clicked <code>php &gt; php extensions &gt; php_openssl</code></li>
<li>This showed that task was completed by placing a check mark beside the extension</li>
<li>I then restarted WampServer</li>
<li>Then from the Wamp icon in tray, I clicked <code>php &gt; php.ini</code> and searched for openssl to verifiy it was NOT commented) out. It was not.</li>
<li>I then went back to Composer-Setup.exe and tried again. Same Warning Message: "openssl extension is missing"</li>
<li>Having never worked with OpenSSL, I'm not sure what is supposed to be set, so I tried to browse to one of my local sites using https. It Failed.</li>
</ol>

What am I missing?

Please advise.

Composer Warning: openssl extension is missing. How to enable in WAMP

包管理器

服务器

Windows

Ubuntu

尝试通过在Win7/64 + WampServer 2.2上安装依赖项管理工具，收到以下消息：缺少openssl扩展，这将降低Composer的安全性和稳定性。如果可能，你应该启用它或者用-- with -openssl 重新编译php。所以这就是我所做的。从我的Wamp图标在托盘中，点击php > php exten...

问编写器警告:缺少openssl扩展。如何在WAMP中启用
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