/**
 * Implementation of hook_menu().
*/

function survey_json_exporter_menu() {
$items['survey_json_exporter'] = array(
    'access callback'   => true, // available to all
    'page callback' => 'survey_json_exporter',
    'delivery callback' => 'drupal_json_output'
    );

return $items;
}

function survey_json_exporter($form, &$fstate)
{
   module_load_include('inc', 'webform', 'includes/webform.submissions');

   $returningJSON = new stdClass();

   $Surveys = [];

   //TODO - > Loop All Surveys.
   $submissions = webform_get_submissions(70535);

   // Load components for each node.
   $surveycomponents = db_select('webform_component')
     ->fields('webform_component')
     ->condition('nid', 70535)
     ->orderBy('weight')
     ->orderBy('name')
     ->execute()
     ->fetchAllAssoc('cid', PDO::FETCH_ASSOC);

   foreach ($submissions as &$submission) {
       $submissionObj = new stdClass();
       $submissionObj->SubmissionID = $submission->sid;
       $submissionObj->SerialNumber = $submission->serial;
       $submissionObj->DateSubmitted = $submission->submitted;

       $SumbissionQA = [];
      while ($surveyanswer = current($submission->data)) {
        $componentName = $surveycomponents[key($submission->data)]['name'];
        $submissionSurveyAnswers = new stdClass();
        $submissionSurveyAnswers->Question = $componentName;
        $submissionSurveyAnswers->Answer = $surveyanswer[0];
        $SumbissionQA[] = $submissionSurveyAnswers;
        next($submission->data);
    }

    $submissionObj->SubmissionData =$SumbissionQA;
    $Surveys[]=$submissionObj;
}

$returningJSON->Surveys = $Surveys;

return drupal_json_output($returningJSON);
}