用的php5.5.6的源
deb http://packages.dotdeb.org wheezy-php55 all
deb-src http://packages.dotdeb.org wheezy-php55 all
添加之后安装的php5.5.6就是运行补了。没添加默认的话默认安装5.4.4，安装之后是可以运行的。就是提示
The following packages have unmet dependencies:
apache2-mpm-prefork : Conflicts: apache2-mpm which is a virtual package.
apache2-mpm-worker : Conflicts: apache2-mpm which is a virtual package.
The following actions will resolve these dependencies:
Remove the following packages:
1) apache2-mpm-worker
冲突，让我卸载掉apache2-mpm-worker之后就可以正常运行了。
php5.5.6那个安装的时候也没这个错误提示，直接安装完，php5.5.6就是不正常啊