(No version information available, might be only in CVS)
SphinxClient::setGeoAnchor — Set anchor point for a geosphere distance calculations
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.
Name of a latitude attribute.
Name of a longitude attribute.
Anchor latitude in radians.
Anchor longitude in radians.
Cette fonction retourne TRUE en cas de succès, FALSE en cas d'échec.