ukko/phpredis-phpdoc — pull request #8 by colinodell (2013-02-11 16:26:10+00:00)
Title: Add return value to zRevRank

Without the return value, my IDE (PhpStorm) assumes the function returns void:

![Before fix](http://i.imgur.com/pZYBfXT.png)

After applying this change the error went away:

![After fix](http://i.imgur.com/tLaPFjL.png)

(I also included the link to the Redis documentation for completeness)