RedBeanPHP\QueryWriter\AQueryWriter::flushCache PHP Method

    public function flushCache($newMaxCacheSizePerType = NULL)
    {
        if (!is_null($newMaxCacheSizePerType) && $newMaxCacheSizePerType > 0) {
            $this->maxCacheSizePerType = $newMaxCacheSizePerType;
        }
        $count = count($this->cache, COUNT_RECURSIVE);
        $this->cache = array();
        return $count;
    }