titanscssc::pushEnv PHP Method

    protected function pushEnv($block = null)
    {
        $env = new stdClass();
        $env->parent = $this->env;
        $env->store = array();
        $env->block = $block;
        $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0;
        $this->env = $env;
        return $env;
    }