ZF\Apigility\Admin\InputFilter\Authentication\DigestInputFilter2::init PHP Method

    public function init()
    {
        parent::init();
        $this->add(['name' => 'realm', 'error_message' => 'Please provide a realm for HTTP digest authentication']);
        $this->add(['name' => 'digest_domains', 'error_message' => 'Please provide a digest domains for HTTP digest authentication']);
        $this->add(['name' => 'nonce_timeout', 'validators' => [['name' => 'Callback', 'options' => ['callback' => function ($value) {
            return is_numeric($value);
        }]]], 'error_message' => 'Please provide a valid nonce timeout for HTTP digest authentication']);
        $this->add(['name' => 'htdigest', 'validators' => [['name' => 'Callback', 'options' => ['callback' => function ($value) {
            return file_exists($value);
        }]]], 'error_message' => 'Path provided for htdigest file must exist']);
    }