Fixing an error within the metod get_birthday(). Thank you, @veskoto .

Author: ivantcholakov

Egn.php

@@ -352,10 +352,6 @@ public static function get_gender($string) {
 
     public static function get_birthday($string) {
 
-        if (self::is_foreigner($string)) {
-            return null;
-        }
-
         if (!self::valid($string)) {
             return null;
         }
@@ -372,6 +368,10 @@ public static function is_foreigner($string) {
             return false;
         }
 
+        if (self::valid($string)) {
+            return false;
+        }
+
         if (strlen($string) == 10) {
 
             $pnf_weights = array(21, 19, 17, 13, 11, 9, 7, 3, 1);