PHP隐藏X-Powered-By的方法
修改 php.ini 文件，设置 expose_php = Off
[root@VM_0_14_centos etc]# vim php.ini
expose_php = off #找到该指令，将值设为off即可
[root@VM_0_14_centos etc]# /etc/init.d/php-fpm-72 restart ##重启PHP
Gracefully shutting down php-fpm . done
Starting php-fpm done
