本文介绍了您的系统中缺少请求的 PHP 扩展 dom的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
So I just installed Scotchbox (a vagrant setup). https://github.com/scotch-io/scotch-box
I'm trying to install a composer dependancy when I get the following error.
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
Some other thread suggested that this is included in the php-xml package. I tried installing this doing
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.
解决方案
For me the selected answer didn't work.
This did work:
sudo apt-get install php-xml
This was on Ubuntu 16.04 with PHP 7.
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