geoposition = $this->fetch_geoposition($ip); } public function valid_location() : bool { $required_values = [$this->continent(), $this->country_code(), $this->country(), $this->city()]; $null_values = \array_filter($required_values, function ($item) { return \is_null($item); }); return \count($null_values) === 0; } public function country_code() : ?string { return $this->geoposition['country']['iso_code'] ?? null; } /** * Return an English city name * * @return string|null */ public function city() : ?string { $city = $this->geoposition['city']['names']['en'] ?? null; if (\is_null($city)) { return null; } return $this->strip_city_neighborhood_data($city); } /** * Return an English subdivision name * * @return string|null */ public function subdivision() : ?string { return $this->geoposition['subdivisions'][0]['names']['en'] ?? null; } /** * @return string|null */ public function country() : ?string { return $this->geoposition['country']['names']['en'] ?? null; } /** * @return string|null */ public function continent() : ?string { return $this->geoposition['continent']['names']['en'] ?? null; } /** * City names can occasionally contain neighborhood data in parentheses after the city name such * as "Philadelphia (North Philadelphia)" in of "Philadelphia". This strips that extra * neighborhood data, returning just the city name. * * @param $city_name * * @return string */ private function strip_city_neighborhood_data($city_name) : string { $position = \strpos($city_name, '('); if ($position !== \false) { $city_name = \substr($city_name, 0, $position); } return \trim($city_name); } private function fetch_geoposition(string $ip) : array { try { $reader = new Reader(\IAWP\Geo_Database_Manager::path_to_database()); $geo = $reader->get($ip); $reader->close(); if (\is_null($geo)) { return []; } return $geo; } catch (\Throwable $e) { return []; } } }