/**
* Remove an item from this collection.
*
* @param $key
* @throws Exception
*/
public function remove($key)
{
if (!array_key_exists($key, $this->attributes)) {
throw new Exception("Invalid key '{$key}'");
}
return Arr::remove($key, $this->attributes);
}
/**
* Merge route groups.
*
* @param $new
* @param $old
* @return array
*/
protected function mergeGroups($new, $old)
{
$notMerged = ['prefix'];
$new['prefix'] = self::mergeGroupPrefix($old, $new);
return array_merge_recursive(Arr::except((array) $old, $notMerged), $new);
}
