public function set($key, $value, $ttl=0) {
$storage = $this->getStorage();
if ($storage and $storage->file_put_contents($key, $value)) {
+ if ($ttl === 0) {
+ $ttl = 86400; // 60*60*24
+ }
return $storage->touch($key, time() + $ttl);
}
return false;
public function hasKey($key) {
$storage = $this->getStorage();
- if ($storage->is_file($key)) {
+ if ($storage && $storage->is_file($key)) {
$mtime = $storage->filemtime($key);
if ($mtime < time()) {
$storage->unlink($key);