'', 'label' => ''), ...) */ public function toOptionArray() { return [ ['value' => self::MODE_TEST, 'label' => __('Test')], ['value' => self::MODE_PRODUCTION, 'label' => __('Production')] ]; } /** * Get options in "key-value" format * * @return array */ public function toArray() { return [ self::MODE_TEST => __('Test'), self::MODE_PRODUCTION => __('Production') ]; } }