/**
* Touch internal
*
*/
public function _touch($filter, $duration)
{
Charcoal_ParamTrait::validateImplements(1, 'Charcoal_IFileFilter', $filter);
Charcoal_ParamTrait::validateInteger(2, $duration, TRUE);
$expire_date = date('Y-m-d H:i:s', strtotime("+{$duration} seconds"));
// meta suffix
$suffix = '.' . CACHE_FILE_EXT_META;
// select files and delete them all
$files = $this->_cache_root_dir->listFiles($meta_filter);
if ($files && is_array($files)) {
foreach ($files as $file) {
$key = basename($file, $suffix);
// read cache meta file
$meta = $this->_readMeta($meta_file);
if ($meta === FALSE) {
$meta = $this->_buildMeta($key);
if ($meta === FALSE) {
continue;
}
}
// save meta file
$meta['expire_date'] = $expire_date;
$this->_writeMeta($meta_file, p($meta));
}
}
}