Read the PHP 8.0.0 Release Announcement and its Addendum for new features detailed description.

emblem-notice-24.pngInstallation: read the Repository configuration and choose installation mode, or follow the Configuration Wizard instructions.

Replacement of default PHP by version 8.0 installation (simplest):

Fedora modular or Enterprise Linux 8:

dnf module reset php
dnf module install php:remi-8.0

Fedora or Enterprise Linux 7:

yum-config-manager --enable remi-php80
yum update php\*

Parallel installation of version 8.0 as Software Collection (x86_64 only, recommended for tests):

yum install php80

emblem-important-2-24.pngTo be noticed :

emblem-notice-24.pngInformation, read:

Base packages (php)

Software Collections (php80)