Drupal 9.0 requires PHP 7.3+ How can PHP 7.4 be installed to be used with virtualservers on CentOS 8.2 that comes with PHP 7.2?
Server and database requirements
Drupal 9 requires PHP 7.3 or higher, and the version requirement for Apache has been increased to Apache 2.4.7 or higher. The following database versions are supported by Drupal 9 core:
MySQL or Percona 5.7.8. MariaDB 10.3.7 (Note that this is a more recent release than the MySQL version.) PostgreSQL 10 with the pg_trgm extension. SQLite 3.26 (PHP does not always use the system-provided SQLite, so verify that your PHP is compiled with at least this version).