小编Alw*_*ing的帖子

我们正在尝试让所有未使用 Composer 安装的 Drupal 模块在 Composer 中进行管理。

• 作曲家：1.4.12
• Drupal：8.3.1

清除 Composer 的缓存后，我们运行以下命令：

./composer require dompdf/dompdf;

这将返回：

./composer.json has been updated
> DrupalProject\composer\ScriptHandler::checkComposerVersion
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
    - Can only install one of: phenx/php-svg-lib[v0.2, 0.1].
    - Can only install one of: phenx/php-svg-lib[v0.2, 0.1].
    - Can only install one of: phenx/php-svg-lib[v0.2, 0.1].
    - dompdf/dompdf v0.8.0 requires phenx/php-svg-lib 0.2.* -> satisfiable by phenx/php-svg-lib[v0.2]. …