...

$From = "(Startup point for example: "Turku,Finland")";
$to = "(Destination point fro example: "Porvoo,Finland")";

$json_string = file_get_contents("http://maps.googleapis.COM/maps/api/directions/json?origin=$from&destination=$to&sensor=false");
$parsed_JSON = json_decode($json_string,true);

$polyline = $parsed_json['routes'][0]['overview_polyline']['points'];

$routepoints = decodePolylinetoArray($polyline);

$collection = new LatLngCollection($routepoints);

$Boxer = new RouteBoxer();

//calculate Boxes wITh 10km distance from the line between points
$Boxes = $Boxer->Box($collection,$distance = 10);

foreach($Boxes as $row){

$southWestLtd = $row->southWest->latitude;
$southWestLng = $row->southWest->longitude;
$northEastLtd = $row->northEast->latitude;
$northEastLng = $row->northEast->longitude;

$query = "SELECT * FROM markers WHERE Latitude > $southWestLtd AND Latitude < $northEastLtd AND Longitude > $southEastLng AND Longitude < $norhtEastLng";

}

运行该查询,它将只为您提供这些框内的标记(或您正在查询的内容).如果您需要更详细的说明,请发表评论.我非常乐意提供帮助,因为我花了很多个夜晚试图找到一个合理的解决方案.