Release Candidate versions are available in remi-test repository for Fedora and Enterprise Linux (RHEL / CentOS) to allow more people to test them. They are available as Software Collections, for a parallel installation, perfect solution for such tests (for x86_64 only), and also as base packages.
RPM of PHP version 7.2.6RC1 are available as SCL in remi-test repository and as base packages in the remi-php72-test repository for Fedora 25-27 and Enterprise Linux.
RPM of PHP version 7.1.18RC1 are available as SCL in remi-test repository and as base packages in the remi-test repository for Fedora 26-27 or remi-php71-test repository for Fedora 25 and Enterprise Linux.
PHP version 7.0 is now in security mode only, so no more RC will be released.
Installation : read the Repository configuration and choose your version.
Parallel installation of version 7.2 as Software Collection:
yum --enablerepo=remi-test install php72
Parallel installation of version 7.1 as Software Collection:
yum --enablerepo=remi-test install php71
Update of system version 7.2:
yum --enablerepo=remi-php72,remi-php72-test update php\*
Update of system version 7.1:
yum --enablerepo=remi-php71,remi-php71-test update php\*
EL-7 packages are built using RHEL-7.4.
RC version is usually the same as the final version (no change accepted after RC, exception for security fix).
Software Collections (php71, php72)
Base packages (php)