AndyB - Rebuild post reactions cache - Xenforo 2 1.5

Description:
Rebuilds post reactions cache.
This add-on is useful to remove deleted members reactions.

Features:

• Can be run from ACP or as CLI.
• All phrases start with rebuildpostreactionscache_ for your convenience.

Run from browser:
If your forum has less than 100K posts, run from the Admin control panel.
Navigate to the following:
Admin control panel -> Tools -> Rebuild caches -> Rebuilds post reactions cache

Run from CLI:
If your forum has more than 100K posts, run from CLI.
Go to your server terminal
Navigate to the directory your forum is installed in.
Enter the following command:
php cmd.php xf-rebuild:rebuildpostreactionscache

Questions and Answers:
Q: I get a 504 Gateway Timeout.
A: Run from CLI.
Q: Running from CLI how long does it take to process 1M posts?
A: About an hour.