Check if the country-region combination exists.

Check that a given country and region combination for an IP exists in $crnMap. Fix issue reported by @xifrin in https://github.com/dlage/yii-geoip/pull/2
2013-10-28 13:23:01 +00:00
1 changed files with 1 additions and 1 deletions
@@ -4513,7 +4513,7 @@ class GeoIP_CRN {
   * @return string Metro region name.
   */
  public static function getRegionName($countryCode, $regionCode) {
-    if ($countryCode === null || $regionCode === null) {
+    if ($countryCode === null || $regionCode === null || !isset(self::$crnMap[$countryCode][$regionCode])) {
      return null;
    }
    return self::$crnMap[$countryCode][$regionCode];