Mine

      else if(RegistrationStep[playerid] == 2)
       {
         new year, month,day;
         getdate(year, month, day);
           new DateInfo[3][20];
         split(text, DateInfo, '/');
         new idx;

                      tmp = strtok(text, idx);

            if(11 < strlen(tmp) || strlen(tmp) < 10) {
         SendClientMessage(playerid, COLOR_LIGHTRED, "Dont try anything stupped! (KICKED)");
         KickPlayer[playerid] = 1;
         return 1;
         }


         if(year - strval(DateInfo[2]) > 100 || strval(DateInfo[2]) < 1 || strval(DateInfo[2]) >= year )
         {

              SendClientMessage(playerid, COLOR_LIGHTRED, "What is your Birthdate? (Use dd/mm/yyyy)");
             return 0;
         }
         new check = year - strval(DateInfo[2]);
         if(check == year)
         {
             SendClientMessage(playerid, COLOR_LIGHTRED, "What is your Birthdate? (Use dd/mm/yyyy)");
             return 0;
         }
         if(strval(DateInfo[1]) > month)
         {
             check -= 1;
         }
         else if(strval(DateInfo[1]) == month && strval(DateInfo[0]) > day)
         {
             check -= 1;
         }
         PlayerInfo[playerid][pAge] = check;
         format(string, sizeof(string), "Ok, so you are %d year old.",PlayerInfo[playerid][pAge]);
         SendClientMessage(playerid, COLOR_YELLOW2, string);
         RegistrationStep[playerid] = 3;
         SendClientMessage(playerid, COLOR_LIGHTRED, "What is your Origin? (Type in: USA, Europe or Asia)");

         return 0;
       }