+ // Write to a temp file and move to destination
+
+ $tempname = tempnam(null, 'statusnetdiskcache');
+
+ $result = file_put_contents($tempname, serialize($value));
+
+ if ($result === false) {
+ $this->log(LOG_ERR, "Couldn't write '$key' to temp file '$tempname'");
+ return false;
+ }
+
+ $result = rename($tempname, $filename);
+
+ if (!$result) {
+ $this->log(LOG_ERR, "Couldn't move temp file '$tempname' to path '$filename' for key '$key'");
+ @unlink($tempname);
+ return false;
+ }