function get_map($address){
$address = urlencode($address);
$url = "http://api.map.baidu.com/geocoder/v2/?address=".$address."&output=json&ak=xxxxx";
$address_data = file_get_contents($url);
$json_data = json_decode($address_data);
$lng = $json_data->result->location->lng;
$lat = $json_data->result->location->lat;
return ['lng'=>$lng,'lat'=>$lat];
}