(PECL sphinx >= 0.1.0)
SphinxClient::setIDRange — Set a range of accepted document IDs
$min
   , int $max
   )
   Sets an accepted range of document IDs. Default range is from 0 to 0, i.e.
   no limit. Only those records that have document ID between
   min and max 
   (including IDs exactly equal to min or
   max) will be matched.
  
min
     Minimum ID value.
max
     Maximum ID value.
   Returns TRUE on success or FALSE on failure.