Devise\Pages\PageManager::isValidInputForNewPage PHP Method

    protected function isValidInputForNewPage($input)
    {
        // validate the input given before we create the page
        $this->validator = $this->Validator->make($input, $this->Page->createRules, $this->Page->messages);
        $fails = $this->validator->fails();
        if ($fails) {
            $this->errors = $this->validator->errors()->all();
            $this->message = "There were validation errors.";
        }
        // check to make sure that there is no duplicate slug/method out there
        $duplicatePage = $this->Page->where('http_verb', $input['http_verb'])->where('slug', $input['slug'])->first();
        if ($duplicatePage) {
            $this->errors = $this->validator->errors()->all();
            $this->errors['slug'] = 'There is already a page with this slug/verb pair';
            $this->message = "There were validation errors.";
        }
        return count($this->errors) == 0;
    }