Mac PHP
brew install php56-apcu
Error: Formulae found in multiple taps: * homebrew/php/php56-apcu * josegonzalez/php/php56-apcu Please use the fully-qualified name e.g. homebrew/php/php56-apcu to refer the formula.
解决：
多个镜像地址，brew不知道该怎么办了！
brew untap homebrew/php