不能被解析到一个安装包集合

我试图安装包zendmail，但我得到了下面不能被解析到一个安装包集合

[email protected]:~/Documents/strawberry$ composer require zendframework/zend-mail 
Using version ^2.8 for zendframework/zend-mail 
./composer.json has been updated 
Loading composer repositories with package information 
Updating dependencies (including require-dev) 
Your requirements could not be resolved to an installable set of packages. 

    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]. 

    To enable extensions, verify that they are enabled in your .ini files: 
    - /etc/php/7.0/cli/php.ini 
    - /etc/php/7.0/cli/conf.d/10-mysqlnd.ini 
    - /etc/php/7.0/cli/conf.d/10-opcache.ini 
    - /etc/php/7.0/cli/conf.d/10-pdo.ini 
    - /etc/php/7.0/cli/conf.d/20-calendar.ini 
    - /etc/php/7.0/cli/conf.d/20-ctype.ini 
    - /etc/php/7.0/cli/conf.d/20-exif.ini 
    - /etc/php/7.0/cli/conf.d/20-fileinfo.ini 
    - /etc/php/7.0/cli/conf.d/20-ftp.ini 
    - /etc/php/7.0/cli/conf.d/20-gettext.ini 
    - /etc/php/7.0/cli/conf.d/20-iconv.ini 
    - /etc/php/7.0/cli/conf.d/20-json.ini 
    - /etc/php/7.0/cli/conf.d/20-mysqli.ini 
    - /etc/php/7.0/cli/conf.d/20-pdo_mysql.ini 
    - /etc/php/7.0/cli/conf.d/20-phar.ini 
    - /etc/php/7.0/cli/conf.d/20-posix.ini 
    - /etc/php/7.0/cli/conf.d/20-readline.ini 
    - /etc/php/7.0/cli/conf.d/20-shmop.ini 
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错误，我不知道我应该与错误做。请帮我解决这个问题。

来源

2017-09-25 kyty

您需要为PHP安装DOM功能（如图中的错误信息phpunit/php-code-coverage 4.0.8 requires ext-dom * -> the requested PHP extension dom is missing from your system.）像一个基于Debian的机器

这看起来（从扩展的输出）。 apt install php7.0-xml应该允许你继续。

来源

2017-09-25 14:44:19

-1

在Zend框架2，通过默认的邮件包裹将在那里，你可以使用这段代码，

use Zend\Mail; 

$mail = new Mail\Message(); 
$mail->setBody('This is the text of the email.'); 
$mail->setFrom('[email protected]', 'Sender\'s name'); 
$mail->addTo('[email protected]', 'Name o. recipient'); 
$mail->setSubject('TestSubject'); 

$transport = new Mail\Transport\Sendmail(); 
$transport->send($mail);

作参考，您可以访问此页面，https://framework.zend.com/manual/2.1/en/modules/zend.mail.introduction.html

来源

2017-09-25 14:45:48

不能被解析到一个安装包集合

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