php mongodb geo index query by loc

php mongodb geo index query by loc

// run below in mongo client shell
db.teacher.createIndex( { "loc": "2d" } )

// php query
    public function test($dis=1) {
        $r = D('Teacher')->command([
            'geoNear'=>'teacher',
            'near'=>[116.32723, 39.977331],
            'maxDistance' => $dis/111,
            'distanceMultiplier' => 111,
            'num' => 2000,
            'query'=>['audit'=>'1'],
        ]);
        json_out($r);
    }
    
// another example
$mongo = new Mongo();
$result = $mongo->selectDB('users')->command(array(
                'geoNear' => 'user',
                'near' => $lnglat,
                'spherical' => true,
                'num' => 10 ));