SphinxClient::setGeoAnchor
(PECL sphinx >= 0.1.0)
SphinxClient::setGeoAnchor — Set anchor point for a geosphere distance calculations
Description
   public bool SphinxClient::setGeoAnchor
    ( string $attrlat
   , string $attrlong
   , float $latitude
   , float $longitude
   )
  Sets anchor point for a geosphere distance (geodistance) calculations and enables them.
Once an anchor point is set, you can use magic "@geodist" attribute name in your filters and/or sorting expressions.
Parameters
- attrlat
- 
      Name of a latitude attribute. 
- attrlong
- 
      Name of a longitude attribute. 
- latitude
- 
      Anchor latitude in radians. 
- longitude
- 
      Anchor longitude in radians. 
Return Values
Returns TRUE on success or FALSE on failure.