/**
* garbage collector. remove from session entries older than 30 minutes;
* @return string
* @access public
*/
function garbageCollector()
{
// cleanup orphan folders
$arr = explode('/', $this->baseFolder . $this->folder);
if (substr($this->folder, -1, 1) == '/' || substr($this->folder, -1, 1) == '\\') {
array_pop($arr);
}
$new = array_pop($arr);
$f = implode('/', $arr) . '/';
$fld = new KT_folder();
$arr = $fld->readFolder($f, false);
//print_r($arr);
if (isset($arr['folders']) && count($arr['folders'])) {
foreach ($arr['folders'] as $entry) {
if (preg_match("/^(.*)\\w{14}_\\w{8}(.*)/is", $entry['name'])) {
$fld = new KT_folder();
$files = $fld->readFolder($f . $entry['name']);
if (isset($files['files']) && count($files['files']) > 0) {
foreach ($files['files'] as $file) {
if (filectime($f . $entry['name'] . '/' . $file['name']) < time() - 60 * 30) {
$fld->deleteFolderNR($f . $entry['name']);
break;
}
}
} else {
$fld->deleteFolderNR($f . $entry['name']);
}
}
}
}
if (!isset($_SESSION['tng_upload'])) {
return;
}
// clear old session values;
foreach ($_SESSION['tng_upload'] as $id => $hash) {
if (isset($hash['properties']) && $hash['properties']['time'] < time() - 60 * 30) {
unset($_SESSION['tng_upload'][$id]);
}
}
}