src/DomCrawler/Field/ChoiceFormField.php
public function availableOptionValues()
    {
        $options = [];

        foreach ($this->selector->getOptions() as $option) {
            $options[] = $option->getAttribute('value');
        }

        return $options;
    }
public function availableOptionValues()
    {
        $options = [];

        foreach ($this->selector->getOptions() as $option) {
            $options[] = $option->getAttribute('value');
        }

        return $options;
    }
Returns list of available field options.

@return array