public static function garbage_collector($chance = 5)
{
if (function_exists('mt_rand')) {
$rand = mt_rand(0, 100);
} else {
$rand = rand(0, 100);
}
if (!Torn_Uploader::$collected and !Request::$is_ajax and $chance >= $rand) {
Torn_Uploader::$collected = TRUE;
// collect garbage
$cache = Cache::instance();
$i = 0;
foreach (new DirectoryIterator(Kohana::$cache_dir) as $file) {
$name = $file->getFilename();
if ($file->isFile() and preg_match('/^[a-z0-9]{32}-[a-z0-9]{32}$/iD', $name)) {
$data = $cache->get($name);
if (!empty($data) and $data['timestamp'] < time()) {
try {
unlink($file->getPathname());
$cache->delete($name);
$i++;
} catch (Exception $e) {
}
}
}
}
Kohana::$log->add('info', 'Torn Uploader garbage collector removed :items files', array(':items' => $i));
}
}
