Symfony\Component\Form\Extension\DataCollector\FormDataCollector::__construct PHP 메소드

    public function __construct(FormDataExtractorInterface $dataExtractor)
    {
        $this->dataExtractor = $dataExtractor;
        $this->data = array(
            'forms' => array(),
            'forms_by_hash' => array(),
            'nb_errors' => 0,
        );
    }