I recently committed the following change to the Development Version of FeedWordPress:
Diagnostics / Now that PHP 5.4 is being more widely deployed, troubleshooting may be aided by adding panel to give WordPress version, PHP version, and (if available) Apache version, in Diagnostics panel.
This change will be part of the next public release of FeedWordPress. Interested? Curious? You can check out the details at the WordPress plugin repository ...