in src/HHClientFallbackHandler.hack [72:83]
protected function storeCache(self::TCache $data): void {
\apc_store(__CLASS__.'!cache', $data);
if (!\is_writable(\dirname($this->getCacheFilePath()))) {
return;
}
\file_put_contents(
$this->getCacheFilePath(),
\json_encode($data, \JSON_PRETTY_PRINT),
);
}