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| 1 | <?php |
| 2 | |
| 3 | namespace BO\Zmsdldb\Plz; |
| 4 | |
| 5 | /** |
| 6 | * Translate a german zip code into wgs84 coordinates |
| 7 | */ |
| 8 | class Coordinates |
| 9 | { |
| 10 | /** |
| 11 | * Store data |
| 12 | * @var Array $data |
| 13 | */ |
| 14 | public $data = array(); |
| 15 | |
| 16 | /** |
| 17 | * @param Int $plz |
| 18 | */ |
| 19 | public function getLatLon($plz) |
| 20 | { |
| 21 | if (array_key_exists($plz, $this->data)) { |
| 22 | return $this->data[$plz]; |
| 23 | } |
| 24 | return false; |
| 25 | } |
| 26 | |
| 27 | public static function zip2LatLon($plz) |
| 28 | { |
| 29 | $coordinates = new self(); |
| 30 | return $coordinates->getLatLon($plz); |
| 31 | } |
| 32 | |
| 33 | public function loadData($file = null) |
| 34 | { |
| 35 | if (null === $file) { |
| 36 | $file = __DIR__ . DIRECTORY_SEPARATOR . 'plz_geodb.json'; |
| 37 | } |
| 38 | if (!is_readable($file) || !is_file($file)) { |
| 39 | throw new \Exception("Cannot read file $file"); |
| 40 | } |
| 41 | $this->data = json_decode(file_get_contents($file), 1); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * @param String $file (optional) Path to json file with data |
| 46 | * |
| 47 | */ |
| 48 | public function __construct($file = null) |
| 49 | { |
| 50 | $this->loadData($file); |
| 51 | } |
| 52 | } |