TaskModel::getUserRoles

public function getUserRoles(int $userId): array
{
	$roles = [];
	if (!$userId)
	{
		return $roles;
	}
	foreach ($this->getMembers() as $role => $members)
	{
		if (in_array($userId, $members))
		{
			$roles[] = $role;
		}
	}

	return $roles;
}