а это нормально? можно использовать этот код?
if($_POST['name'])$name = $_POST['name'];
if($_POST['number'])$number = $_POST['number'];
if($_POST['email'])$email = $_POST['email'];
if($_POST['by'])$by = $_POST['by'];
if($_POST['name2'])$name2 = $_POST['name2'];
if($_POST['number2'])$number2 = $_POST['number2'];
if($_POST['old'])$old = $_POST['old'];
if($_POST['gorod'])$gorod = $_POST['gorod'];
if($_POST['raion'])$raion = $_POST['raion'];
if($_POST['adress'])$adress = $_POST['adress'];
if($_POST['postcode'])$postcode = $_POST['postcode'];