(PECL sphinx >= 0.1.0)
SphinxClient::setGeoAnchor — Set anchor point for a geosphere distance calculations
$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.
attrlat
Name of a latitude attribute.
attrlong
Name of a longitude attribute.
latitude
Anchor latitude in radians.
longitude
Anchor longitude in radians.
成功时返回 TRUE， 或者在失败时返回 FALSE。