(PECL sphinx >= 0.1.0)
SphinxClient::setFilterFloatRange — Add new float range filter
Adds new float range filter to the existing list of filters. Only those documents which have attribute value stored in the index between min and max (including values that are exactly equal to min or max) will be matched (or rejected, if exclude is TRUE).
An attribute name.
If set to TRUE, matching documents are excluded from the result set.
Returns TRUE on success or FALSE on failure.