public function unload()
{
if (!$this->allow) {
return;
}
$files = w();
if ($a = func_get_args()) {
foreach ($a as $row) {
if (!f($row)) {
continue;
}
$files[] = $this->encrypt($row);
}
} else {
$files = _dirlist($this->folder, '^([a-z0-9]+)$', 'files');
}
foreach ($files as $row) {
$row = $this->folder . $row;
if (@file_exists($row)) {
@unlink($row);
}
}
return false;
}
function _dirlist($d, $filter = false, $sd = false)
{
if (substr($d, -1) != '/') {
$d .= '/';
}
if (!($fp = @opendir($d))) {
return false;
}
$r = w();
while (false !== ($f = @readdir($fp))) {
if ($f == '.' || $f == '..') {
continue;
}
if (is_dir($d . $f)) {
if ($sd === 'files') {
continue;
}
$r[$f] = _dirlist($d . $f . '/', $filter . $sd);
} else {
if ($sd === 'dir' || $filter !== false && !preg_match('#' . $filter . '#', trim($f))) {
continue;
}
$r[] = $f;
}
}
@closedir($fp);
if (count($r)) {
array_multisort($r);
}
return $r;
}
