安裝源
yum install epel-release
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
安裝管理工具
yum install yum-utils
安裝
yum install php74-php-gd php74-php-pdo php74-php-mbstring php74-php-cli php74-php-fpm php74-php-mysqlnd
啟動
service php74-php-fpm start