/**
* Gets UIDVALIDITY of the given folder
*
* @param EmailFolder|Folder|string $folder
*
* @return int|null
*/
public function getUidValidity($folder)
{
if ($folder instanceof Folder) {
$folderName = $folder->getGlobalName();
} elseif ($folder instanceof EmailFolder) {
$folderName = $folder->getFullName();
} elseif (is_string($folder)) {
$folderName = $folder;
}
if (!isset($folderName)) {
throw new \RuntimeException('Invalid argument passed to getUidValidity method');
}
try {
$this->connector->selectFolder($folderName);
return $this->connector->getUidValidity();
} catch (\Exception $e) {
return null;
}
}
