Jade\Compiler\AttributesCompiler::getClassesDisplayCode PHP Метод

    protected function getClassesDisplayCode()
    {
        return trim($this->createCode('if (!empty($__classes)) { ' . 'echo ' . var_export(' ' . (isset($this->options['classAttribute']) ? $this->options['classAttribute'] : 'class') . '=' . $this->quote, true) . ' . $__classes .' . var_export($this->quote, true) . '; ' . '} ' . 'unset($__classes); '));
    }