public function nearby($lat, $lon) { if (!$lat) { return self::_error("nearby() requires `\$lat` parameter.\n"); } if (!$lon) { return self::_error("nearby() requires `\$lon` parameter.\n"); } return self::_get('/users/nearby', ['client_id' => self::$settings->client_id, 'client_secret' => self::$settings->client_secret, 'latitude' => $lat, 'longitude' => $lon]); }