我正在尝试将doctrine安装到我的项目中.我收到错误的PHP版本的错误.可以采取哪些措施来消除此错误的真正原因？克服它的方法是使用https://getcomposer.org/doc/03-cli.md#require所述的选项" --ignore-platform-reqs" .
PHP版本:PHP 5.6.18
PHP 5.6.18 (cli) (built: Feb 3 2016 17:20:21)
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies
with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2016, by Zend Technologies
错误:c ..> composer需要doctrine/data-fixture
Using version ^1.1 for doctrine/data-fixtures
./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
- doctrine/migrations v1.3.0 requires …