PHP geohash_encode示例

示例#1

文件： lib_geo_flickr.php 项目： nvkelso/reverse-geoplanet

function geo_flickr_reverse_geocode($lat, $lon)
{
    $short_lat = (double) sprintf("%.3f", $lat);
    $short_lon = (double) sprintf("%.3f", $lon);
    $geohash = geohash_encode($short_lat, $short_lon);
    $cache_key = "flickr_reversegeocode_{$geohash}";
    $cache = cache_get($cache_key);
    if ($cache['ok']) {
        return $cache['data'];
    }
    $args = array('lat' => $short_lat, 'lon' => $short_lon);
    $rsp = flickr_api_call('flickr.places.findByLatLon', $args);
    if (!$rsp['ok']) {
        return;
    }
    $loc = $rsp['rsp']['places']['place'][0];
    cache_set($cache_key, $loc, 'set locally');
    return $loc;
}

示例#2

文件： lib_reverse_geoplanet.php 项目： nilswalk/privatesquare

function _reverse_geoplanet_shorten($lat, $lon)
{
    $short_lat = (double) sprintf("%.3f", $lat);
    $short_lon = (double) sprintf("%.3f", $lon);
    $geohash = geohash_encode($short_lat, $short_lon);
    return array($short_lat, $short_lon, $geohash);
}