Although it is specified in the UG that only numbers with at least 3 digits will be allowed as phone numbers, but blocking the user from inputting multiple phone numbers can be an overzealous input validation. (please refer to the class tp pe website can see example 1 under feature flaw, Overzealous input validation).
Although it is specified in the UG that only numbers with at least 3 digits will be allowed as phone numbers, but blocking the user from inputting multiple phone numbers can be an overzealous input validation. (please refer to the class tp pe website can see example 1 under feature flaw, Overzealous input validation).