根據地址獲取經緯度

function getLatAndLng($address){
        if (!is_string($address))die("All Addresses must be passed as a string");
        $_result = file_get_contents('http://maps.google.cn/maps/api/geocode/json?address='.$address);
        $_coords = json_decode($_result,true);
        if($_coords){
            foreach ($_coords as $key => $value) {
                if($key == 'error_message'){
                    return $this->getLatAndLng($address);
                }

            }
        }
        if(!isset($_coords['results'][0])){
            return array();
        }
        $Lat = $_coords['results'][0]['geometry'];
        $result = [];
        foreach ($Lat as $key => $value) {
            if($key == 'location'){
                $result['lat'] = $value['lat'];
                $result['lng'] = $value['lng'];
            }
        }
        return $result;
    }