framework/rbac/DbManager.php
public function getPermissionsByUser($userId)
    {
        if ($this->isEmptyUserId($userId)) {
            return [];
        }

        $directPermission = $this->getDirectPermissionsByUser($userId);
        $inheritedPermission = $this->getInheritedPermissionsByUser($userId);

        return array_merge($directPermission, $inheritedPermission);
    }
public function getPermissionsByUser($userId)
    {
        if ($this->isEmptyUserId($userId)) {
            return [];
        }

        $directPermission = $this->getDirectPermissionsByUser($userId);
        $inheritedPermission = $this->getInheritedPermissionsByUser($userId);

        return array_merge($directPermission, $inheritedPermission);
    }
{@inheritdoc}