Flintstone\Flintstone::replace PHP Method

    protected function replace($key, $data)
    {
        // Write a new database to a temporary file
        $tmp = $this->getDatabase()->openTempFile();
        $filePointer = $this->getDatabase()->openFile(Database::FILE_READ);
        foreach ($filePointer as $line) {
            $lineKey = $this->getKeyFromLine($line);
            if ($lineKey == $key) {
                if ($data !== false) {
                    $tmp->fwrite($this->getLineString($key, $data));
                }
            } else {
                $tmp->fwrite($line . "\n");
            }
        }
        $this->getDatabase()->closeFile($filePointer);
        $tmp->rewind();
        // Overwrite the database with the temporary file
        $filePointer = $this->getDatabase()->openFile(Database::FILE_WRITE);
        foreach ($tmp as $line) {
            $filePointer->fwrite($line);
        }
        $this->getDatabase()->closeFile($filePointer);
        $tmp = null;
        // Delete the key from cache
        if ($cache = $this->getConfig()->getCache()) {
            $cache->delete($key);
        }
    }