Stolz\Assets\Manager::css PHP Метод

    public function css($attributes = null)
    {
        if (!$this->css) {
            return '';
        }
        $assets = $this->pipeline ? array($this->cssPipeline()) : $this->css;
        if ($attributes instanceof Closure) {
            return $attributes->__invoke($assets);
        }
        // Build attributes
        $attributes = (array) $attributes;
        unset($attributes['href']);
        if (!array_key_exists('type', $attributes)) {
            $attributes['type'] = 'text/css';
        }
        if (!array_key_exists('rel', $attributes)) {
            $attributes['rel'] = 'stylesheet';
        }
        $attributes = $this->buildTagAttributes($attributes);
        // Build tags
        $output = '';
        foreach ($assets as $asset) {
            $output .= '<link href="' . $asset . '"' . $attributes . " />\n";
        }
        return $output;
    }