brew install php71
brew link --force php@7.1
php -v 查看版本
php -m |grep redis 查看支持的某个扩展功能
php --ini 查看配置文件路径
brew install openssl
brew install nghttp2
sudo pecl download swoole
tar zxvf swoole-4.2.12.tgzcd swoole-4.2.12phpize./configure --enable-openssl --enable-http2 --enable-sockets --enable-mysqlnd -with-openssl-dir=/usr/local/Cellar/openssl/1.0.2q/
make clean && make && sudo make install
sudo pecl install swoole
原文：https://www.cnblogs.com/jaky666/p/10290230.html