Codesleeve\AssetPipeline\Filters\URLRewrite::relative_match PHP Method

    public function relative_match($url)
    {
        $changed = false;
        $base = $this->base;
        $root = $this->root;
        while (0 === strpos($url, '../') && 2 <= substr_count($base, '/')) {
            $changed = true;
            $base = substr($base, 0, strrpos(rtrim($base, '/'), '/') + 1);
            $root = substr($root, 0, strrpos(rtrim($root, '/'), '/') + 1);
            $url = substr($url, 3);
        }
        if (!$changed || !$this->fileExists($root . $url)) {
            return array(false, $url);
        }
        return array(true, $this->baseurl . $this->prefix . $base . $url);
    }