$phone_main = #טלפון ראשי#;
$phone_secondary = #טלפון משני#;

if (!empty($phone_main)) {
$formatted_phone = preg_replace(‘/^0/’, ‘972’, substr($phone_main, 1));
return $formatted_phone;
} elseif (!empty($phone_secondary)) {
return $phone_secondary;
} else {
return “”;
}