protected function cacheKey()
{
$cacheKey = parent::cacheKey();
$targetFile = $this->targetFile();
if ($targetFile) {
$cacheKey .= '.' . $targetFile;
}
return $cacheKey;
}
public function cacheKey()
{
//only return a cacheKey when there is a token
if ($this->token) {
return parent::cacheKey();
}
return null;
}
public function cacheKey()
{
return URLDataRetriever::cacheKey();
}