Purges data for the given URL.
string $url A URL:
Boolean true if the URL exists and has been purged, false otherwise
Overrides StoreInterface::purge
public function purge($url) {
if (is_file($path = $this
->getPath($this
->getCacheKey(Request::create($url))))) {
unlink($path);
return true;
}
return false;
}