|string> */ public function rules(): array { return [ 'lang' => ['nullable', 'string', Rule::in(array_keys(config('app.locales')))], 'perPage' => ['nullable', 'integer'], ]; } /** * Handle a passed validation attempt. */ protected function passedValidation(): void { $this->merge([ 'lang' => $this->lang ?: config('app.locale'), 'perPage' => $this->perPage ?: 6, ]); } }