作曲家无法安装：您的要求无法解析为一套可安装的套件

Question

我是symfony1.4的新手。我想在我现有的工程安装作曲家我运行安装命令得到这样的：有包信息 安装依赖关系（包括要求-DEV） 你的要求不能被解析到一个安装包集合

加载作曲家库。

问题1：

- symfony/console v2.5.4 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.5.3 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.5.2 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.5.1 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.5.0 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.9 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.8 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.7 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.6 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.5 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.4 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.3 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.2 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.1 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.4.0 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.9 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.8 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.7 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.6 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.5 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.4 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.3 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.2 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.19 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.18 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.17 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.16 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.15 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.14 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.13 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.12 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.11 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.10 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.1 requires php >=5.3.3 -> no matching package found. 
- symfony/console v2.3.0 requires php >=5.3.3 -> no matching package found. 
- Installation request for symfony/console ~2.3 -> satisfiable by symfony/console[v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.3, v2.3.4, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.2, v2.5.3, v2.5.4]. 

可能的原因：

• 包名称
• 包根据自己的分 imum-不提供一个稳定的，足以A版本错字稳定性设置 请参阅https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion f 或更多详细信息。

读http://getcomposer.org/doc/articles/troubleshooting.md进一步常见 问题。

Answer 1

安装作曲后，运行以下命令来安装作曲资产插件：

php composer.phar global require "fxp/composer-asset-plugin:~1.0.3"