prepend = $string; return $this; } public function append($string) { $this->append = $string; return $this; } protected function initPlainInput() { if (empty($this->view)) { $this->view = 'admin::form.input'; } } protected function defaultAttribute($attribute, $value) { if (! array_key_exists($attribute, $this->attributes)) { $this->attribute($attribute, $value); } return $this; } }