titanscssc::multiplyMedia PHP Method

    protected function multiplyMedia($env, $childQueries = null)
    {
        if (is_null($env) || !empty($env->block->type) && $env->block->type != "media") {
            return $childQueries;
        }
        // plain old block, skip
        if (empty($env->block->type)) {
            return $this->multiplyMedia($env->parent, $childQueries);
        }
        $parentQueries = $env->block->queryList;
        if ($childQueries == null) {
            $childQueries = $parentQueries;
        } else {
            $originalQueries = $childQueries;
            $childQueries = array();
            foreach ($parentQueries as $parentQuery) {
                foreach ($originalQueries as $childQuery) {
                    $childQueries[] = array_merge($parentQuery, $childQuery);
                }
            }
        }
        return $this->multiplyMedia($env->parent, $childQueries);
    }