useradd www 

yum -y install epel-release

#启用PHP 7.4 Remi存储库并在CentOS 7上安装PHP 7.4
#配置安装源
yum -y install https://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum -y install yum-utils

#设置安装版本
yum-config-manager --enable remi-php74

#安装php及拓展包
yum -y install php php-cli php-fpm php-mysqlnd php-zip php-devel php-gd php-mcrypt php-mbstring php-curl php-xml php-pear php-bcmath php-json php-redis

#查看php版本
php -v

grep -E '^(user|group)' /etc/php-fpm.d/www.conf 
sed -i '/^user/c user = www' /etc/php-fpm.d/www.conf 
sed -i '/^group/c group = www' /etc/php-fpm.d/www.conf 
grep -E '^(user|group)' /etc/php-fpm.d/www.conf 


#php配置文件
vi /etc/php.ini

#修改php上传限制，默认为2M
upload_max_filesize = 500M