'', 'label' => ''), ...) */ public function toOptionArray() { $options = []; foreach ($this->toArray() as $optionValue => $optionLabel) { $options[] = [ 'value' => $optionValue, 'label' => $optionLabel ]; } return $options; } /** * Get options in "key-value" format * * @return array */ public function toArray() { return [ self::INSTANTLY => __('Instantly'), self::BY_BUTTON_CLICK => __('By Button Click') ]; } }