ubuntu 16.04 lts安装php环境和composer依赖包管理

安装环境
1.安装之前先更新系统
1 sudo apt update
2.安装Apache2
1 sudo apt install apache2
3.安装PHP
1 sudo apt install php
2 sudo apt-get install libapache2-mod-php
4.安装MySQL
1 sudo apt install mysql-server php7.0-mysql
2 sudo apt-get install mysql-client
3 mysql_secure_installation
5.安装phpmyadmin
1 sudo apt-get install phpmyadmin
2 sudo apt-get install php-mbstring
3 sudo apt-get install php-gettext
4 sudo ln -s /usr/share/phpmyadmin /var/www/html/phpmyadmin
配置phpmyadmin

1 nano /etc/php/7.0/apache2/php.ini
display_errors = On(显示错误日志，出现两次，都要改，不然无效)
extension=php_mbstring.dll (开启mbstring)

安装composer依赖包
需要注意权限，安装zip