/**
* Check if content has a cache file
*
* @param array $pContentId Content id of cached item
* @access public
* @return absolute path
*/
function isCached($pContentId = NULL)
{
global $gBitSystem;
if (empty($pContentId) && @BitBase::verifyId($this->mContentId)) {
$pContentId = $this->mContentId;
}
return $gBitSystem->getConfig('liberty_cache') && is_file(LibertyContent::getCacheFile($pContentId));
}
