进入LNMP目录
cd /root/lnmp1.x/src解压PHP压缩包
tar zxf php-x.x.x.tar.gz进入fileinfo扩展目录
cd php-x.x.x/ext/fileinfo执行命令
/usr/local/php/bin/phpize
./configure --with-php-config=/usr/local/php/bin/php-config --enable-fileinfo
make && make install修改php.ini
vim /usr/local/php/etc/php.ini添加一行
extension=fileinfo.so重启php-fpm
service php-fpm restart