您的系统中缺少请求的 PHP 扩展 dom
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The requested PHP extension dom is missing from your system
提问by Miguel Stevens
So I just installed Scotchbox (a vagrant setup). https://github.com/scotch-io/scotch-box
所以我刚刚安装了 Scotchbox（一个流浪者设置）。 https://github.com/scotch-io/scotch-box
I'm trying to install a composer dependancy when I get the following error.
当我收到以下错误时，我正在尝试安装 Composer 依赖项。
Problem 1
- phpunit/php-code-coverage 4.0.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
- phpunit/php-code-coverage 4.0.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
- phpunit/php-code-coverage 4.0.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.
- Installation request for phpunit/php-code-coverage (locked at 4.0.8) -> satisfiable by phpunit/php-code-coverage[4.0.8].
What I've tried
我试过的
Some other thread suggested that this is included in the php-xml package. I tried installing this doing
其他一些线程建议这包含在 php-xml 包中。我试过安装这个
sudo apt-get install php7.0-xml
sudo service apache2 restart
But that didn't work. Any idea what other solutions might work? I'm starting to pull my hair out.
但这没有用。知道哪些其他解决方案可能有效吗？我开始拔头发了。
回答by Mubashar Abbas
For me the selected answer didn't work.
对我来说，选择的答案不起作用。
This did work:
这确实有效：
sudo apt-get install php-xml
This was on Ubuntu 16.04 with PHP 7.
这是在带有 PHP 7 的 Ubuntu 16.04 上。
回答by kuba
Try
尝试
sudo apt-get install php7.0-common
回答by Wisnu Pramono E.S
I am using Ubuntu 17.10 and PHP 7.1 is running well using:
我使用的是 Ubuntu 17.10，PHP 7.1 运行良好，使用：
sudo apt-get install php7.1-xml
and then (if using apache)
然后（如果使用 apache）
sudo service apache2 restart
or if on nginx you can use this:
或者如果在 nginx 上你可以使用这个：
sudo service nginx restart
回答by Joel Jerushan
use sudo apt-get install php7.2-xmlif you are using ubuntu and php-fpm7.2
使用sudo apt-get install php7.2-xml如果你正在使用Ubuntu和php-fpm7.2
回答by liaoyuming
First,
第一的，
yum search php-xml
Then, choose one to yum install
然后，选择一个进行yum install
yum install php71-php-xml.x86_64
Centos7 php7
Centos7 php7
