git clone 目录存在 fatal: destination path './www.appknow.cn' already exists and is not an empty directory.
gcc 4.4下如果在编译swoole的时候(即make阶段),出现gcc warning: dereferencing pointer ‘v.327’ does break strict-aliasing rules、 dereferencing type-punned pointer will break strict-aliasing rules 请手动编辑Makefile
composer install - 如有 composer.lock 文件,直接安装,否则从 composer.json 安装最新扩展包和依赖; composer update - 从 composer.json 安装最新扩展包和依赖; composer update vendor/package - 从 composer.json 或者对应包的配置,并更新到最新; composer require new/package - 添加安装 new/package, 可以指定版本,如: compose