During the development of a PHP application, or during its packaging, it could be usefull to check the PHP compatibility, the list of required extensions, etc.
The pci command, provided by the PHP_CompatInfo extension seems (to me) deprecated. Laurent Laville, in his Bartlett channel, offers a new version 2 (2.0.0RC3 for now), fully rewritten, which seems promising. I try to collaborate with him, in particular to provide a extension's reference as complete as possible. RPM are already available in the... Lire Compatibility analysis of PHP applications