Upgrade PHP 7.3, 7.4 or 8.0 on CentOS 8

Install Remi Release repo and clear cache:

yum -y install http://rpms.remirepo.net/enterprise/remi-release-8.rpm && yum clean all

Install PHP packages version 7.3/7.4 /or 8.0:

yum -y install php73-php-{cli,pdo,fpm,zip,gd,xml,mysqlnd,opcache} 

yum -y install php74-php-{cli,pdo,fpm,zip,gd,xml,mysqlnd,opcache} 

yum -y install php80-php-{cli,pdo,fpm,zip,gd,xml,mysqlnd,opcache}