private static function formArrayWalk(array $data, $function, &$success = true, $requiresEmptyPhone = false, $maxPublicity = null)
{
$phones = array();
if (!is_null($data)) {
foreach ($data as $item) {
$phone = new Phone($item);
$success = !$phone->error && ($phone->format() || $phone->isEmpty()) && $success;
if (!$phone->isEmpty()) {
// Restrict phone visibility to $maxPublicity
if (!is_null($maxPublicity) && Visibility::isLessRestrictive($maxPublicity, $phone->pub)) {
$phone->pub = $maxPublicity;
}
$phones[] = call_user_func(array($phone, $function));
}
}
}
if (count($phones) == 0 && $requiresEmptyPhone) {
$phone = new Phone();
if (!is_null($maxPublicity) && Visibility::isLessRestrictive($maxPublicity, $phone->pub)) {
// Restrict phone visibility to $maxPublicity
$phone->pub = $maxPublicity;
}
$phones[] = call_user_func(array($phone, $function));
}
return $phones;
}