之前安装mysql一直都是失败，于是使用了mamp，发现很多扩展安装非常麻烦。于是，又开始动手使用homebrew安装 php7 + mysql5.7 +nginx.
一、设置homebrew
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
brew update
brew tap homebrew/dupes
brew tap homebrew/versions
brew tap homebrew/homebrew-php
二、安装nginx
# 重启nginx : sudo nginx -s reload|stop
sudo nginx -s stop && sudo nginx
三、安装mysql
brew edit mysql
wget xxxx-5.7.11.tar.gz
mv mysql-5.7.11.el_capitan.bottle.tar.gz /Library/Caches/Homebrew/
brew install mysql
四、安装php
4.1 安装php5.x
使用brew可以安装php的版本有 5.3、5.4、5.5、5.6
如果已经有安装php，需要unlink后再继续。比如我现在有php54，但要安装hp55，则需要这样去执行升级操作：
brew unlink php54
brew install php55
4.2 安装php7.0
mac下重启php-fpm后可能使用了旧的版本，需要执行如下命令使得php和php-fpm调用的是7.0的版本：
export PATH="$(brew --prefix php70)/sbin:$PATH"
4.3 PHP常用扩展安装
# swoole: https://github.com/swoole/swoole-src/releases/
# redis: 下载：https://github.com/phpredis/phpredis/tree/php7
# 以上安装方式都是：
./configure
make && make install
# memcached
brew install memcached
brew install php70-memcached
4.4 安装php常见问题
- memcached 依赖问题
PHP Deprecated: PHP Startup: memcached.sess_lock_wait and memcached.sess_lock_max_wait are deprecated. Please update your configuration to use memcached.sess_lock_wait_min, memcached.sess_lock_wait_max and memcached.sess_lock_retries in Unknown on line 0Deprecated: PHP Startup: memcached.sess_lock_wait and memcached.sess_lock_max_wait are deprecated. Please update your configuration to use memcached.sess_lock_wait_min, memcached.sess_lock_wait_max and memcached.sess_lock_retries in Unknown on line 0PHP Deprecated: PHP Startup: memcached.sess_lock_wait and memcached.sess_lock_max_wait are deprecated. Please update your configuration to use memcached.sess_lock_wait_min, memcached.sess_lock_wait_max and memcached.sess_lock_retries in Unknown on line 0Deprecated: PHP Startup: memcached.sess_lock_wait and memcached.sess_lock_max_wait are deprecated. Please update your configuration to use memcached.sess_lock_wait_min, memcached.sess_lock_wait_max and memcached.sess_lock_retries in Unknown on line 0PHP 7.0.2 (cli) (built: Jan 7 2016 10:40:26) ( NTS )Copyright (c) 1997-2015 The PHP GroupZend Engine v3.0.0, Copyright (c) 1998-2015 Zend Technologies with Xdebug v2.4.0RC3, Copyright (c) 2002-2015, by Derick Rethans
需要注释配置/usr/local/etc/php/7.0/conf.d/ext-memcached.ini如下内容：
;memcached.sess_lock_wait = 150000
;memcached.sess_lock_max_wait = 0
参考：
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