PHP Fatal error: Class 'mysqli' not found
PHP Fatal error: Class 'mysqli' not found
网上很多都是源码编译安装，文章差不多类似，最后在 stack overflow 找到只需要yum 安装即可
Centos:
sudo yum install php-mysqli
sudo yum install php56-mysqlnd.x86_64
Ubuntu:
sudo apt-get -y install php5-mysql php5-mysqlnd
sudo apt-get install php5-mysql
