| protected prepareUrl ( string $url ) : string | ||
| $url | string | The relative URL |
| return | string | |
protected function prepareUrl($url)
{
if (empty($url)) {
throw new \RuntimeException(sprintf('Empty URL at item with id: "%s"', $this->getId()));
}
if (stripos($url, '://') !== false) {
throw new \RuntimeException(sprintf('Malformed relative URL at item with id: "%s"', $this->getId()));
}
if (stripos($url, '/') !== 0) {
throw new \RuntimeException(sprintf('Relative URL must start with "/" at item with id: "%s"', $this->getId()));
}
return $url;
}