shell初学之PHP

初次接触脚本，写了一个通过Apache实现PHP动态网站的脚本：

#!/bin/bash
yum -y install php
rm -rf /etc/httpd/conf.d/welcome.conf
echo "<?php phpinfo(); ?>" > /var/www/html/index.php
systemctl restart httpd
systemctl enable httpd
firewall-cmd --add-service=http --permanent
firewall-cmd --reload