homebrew 升級php失敗，求解決方案

升級過程如下：

brew updateerror: Your local changes to the following files would be overwritten by merge:    Formula/php56.rbPlease, commit your changes or stash them before you can merge.AbortingError: Failed to update tap: homebrew/php

求解決方案

回複內容：

升級過程如下：

brew updateerror: Your local changes to the following files would be overwritten by merge:    Formula/php56.rbPlease, commit your changes or stash them before you can merge.AbortingError: Failed to update tap: homebrew/php

求解決方案

找到解決辦法了，如下

cd $(brew --prefix)/Library/Taps/homebrew/homebrew-phpgit checkout -- Formula/php56.rb

另外很感謝@mcfog 提供的PHPBrew，很值得推薦，我會嘗試的

提示很明確啊，php56.rb本地被改過，需要還原才能更新

如果你不清楚怎麼被改過的話，直接

bashcd /usr/local/Library/Formula/git reset --hard

還原全部formula檔案就好

順帶繼續推薦更好支援多php版本，編譯更方便的PHPBrew

