What are the steps to install php environment with yum?

sudo rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
yum install php php-fpm php-mysql nginx mariadb-server -y
yum install php-gd* -y

vi /etc/php-fpm.d/www.conf

systemctl start php-fpm
systemctl start nginx

vi /etc/php.ini
upload_max_filesize = 100M

systemctl start mariadb

mysql_secure_installation
Enter current password for root (enter for none): #初次运行直接回车
Set root password? [Y/n] #是否设置root用户密码，输入y并回车或直接回车
New password: #设置root用户的密码
Re-enter new password: # 再输入一次你设置的密码
Remove anonymous users? [Y/n] # 是否删除匿名用户，回车
Disallow root login remotely? [Y/n] #是否禁止root远程登录,回车,
Remove test database and access to it? [Y/n] # 是否删除test数据库，回车
Reload privilege tables now? [Y/n] # 是否重新加载权限表，回车

grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option;
flush privileges;