1.安装源
yum install epel-release
Centos 7
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
Centos 8
yum install http://rpms.remirepo.net/enterprise/remi-release-8.rpm
Centos 9
yum install http://rpms.remirepo.net/enterprise/remi-release-9.rpm
2.安装YUM管理工具
yum install yum-utils
3. 查看PHP(可忽略此步骤)
yum search php73
yum search php74
yum search php80
yum search php81
4.安装PHP
yum install php74-php-gd php74-php-pdo php74-php-mbstring php74-php-cli php74-php-fpm php74-php-mysqlnd5.启动FPM
service php74-php-fpm start