public function readFileFunc($filepath)
    {
        /** @var UniformResourceLocator $locator */
        $locator = $this->grav['locator'];

        if ($locator->isStream($filepath)) {
            $filepath = $locator->findResource($filepath);
        }

        if ($filepath && file_exists($filepath)) {
            return file_get_contents($filepath);
        }

        return false;
    }