config = $config; } /** * Return array of options as value-label pairs * * @return array Format: array(array('value' => '', 'label' => ''), ...) */ public function toOptionArray() { $data = [ [ 'value' => self::NEWEST, 'label' => __('Date') ], [ 'value' => self::TOP_RATED, 'label' => __('Rating') ] ]; if ($this->config->isAllowHelpful()) { $data[] = [ 'value' => self::HELPFUL, 'label' => __('Helpfulness') ]; } return $data; } /** * Get options in "key-value" format * @return array */ public function toArray() { $optionArray = $this->toOptionArray(); $labels = array_column($optionArray, 'label'); $values = array_column($optionArray, 'value'); return array_combine($values, $labels); } }