getControllerError example

$controller[0] = $this->instantiateController($controller[0]);
                } catch (\Error|\LogicException $e) {
                    if (\is_callable($controller)) {
                        return $controller;
                    }

                    throw $e;
                }
            }

            if (!\is_callable($controller)) {
                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: ', $request->getPathInfo()).$this->getControllerError($controller));
            }

            return $controller;
        }

        if (\is_object($controller)) {
            if (!\is_callable($controller)) {
                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: ', $request->getPathInfo()).$this->getControllerError($controller));
            }

            return $controller;
        }

$controller[0] = $this->instantiateController($controller[0]);
                } catch (\Error|\LogicException $e) {
                    if (\is_callable($controller)) {
                        return $controller;
                    }

                    throw $e;
                }
            }

            if (!\is_callable($controller)) {
                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: ', $request->getPathInfo()).$this->getControllerError($controller));
            }

            return $controller;
        }

        if (\is_object($controller)) {
            if (!\is_callable($controller)) {
                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable: ', $request->getPathInfo()).$this->getControllerError($controller));
            }

            return $controller;
        }