<?php
 
require_once 'jsonrpcphp/JsonRPCClient.php';
 
define( 'LS_BASEURL', 'https://www.limesurvey.de/survey');  // adjust this one to your actual LimeSurvey URL
define( 'LS_USER', 'user' );
define( 'LS_PASSWORD', 'pass' );
 
 
// the survey to process
$survey_id=557357;
 
// instantiate a new client
$myJSONRPCClient = new \org\jsonrpcphp\JsonRPCClient( LS_BASEURL.'/index.php/admin/remotecontrol' );
 
// receive session key
$sessionKey= $myJSONRPCClient->get_session_key( LS_USER, LS_PASSWORD );
 
print_r($sessionKey );
 
if(is_array($sessionKey))
{
    header("Content-type: application/json");
    echo json_encode($sessionKey);
    die();
}
 
/* Get the responses */
$response = $myJSONRPCClient->export_responses(
    $sessionKey,
    $survey_id,
    'json', // Document type : pdf,csv,xls,doc,json
    null, // Language code : null : default from survey
    'all', // Stautus complete|incomplete|all
    null, // Heading : code|full|abbreviated : question text, default code
    null // answer : short|long , default : long
    ); // See https://api.limesurvey.org/classes/remotecontrol_handle.html#method_export_responses or https://github.com/LimeSurvey/LimeSurvey/blob/master/application/helpers/remotecontrol/remotecontrol_handle.php#L2382 or
 

  echo '<table border=1 cellpadding=5>';
  $i = 0;
 
foreach ($responseArr as $value)
  {
  $row2 = reset($responseArr['responses'][$i]);
  $title = $row2['title'];
  echo '<tr><td>';
  echo $title . '</td><td><br>' . $i . '</td></tr>';
  ++$i;
  }
  echo '</table>';

<?php
 
  require_once 'jsonRPCClient.php';
 
  define( 'LS_BASEURL', 'https://pathTo/limeSurvey');  
  define( 'LS_USER', 'admin' );
  define( 'LS_PASSWORD', 'password' );
 
  $iSurveyID = 123456;
 
  // Instantiate a new RPC client
  $myJSONRPCClient = new jsonRPCClient( LS_BASEURL.'/index.php/admin/remotecontrol' );
 
  // Get a session key
  $sSessionKey= $myJSONRPCClient->get_session_key( LS_USER, LS_PASSWORD );
 
  if(is_array($sSessionKey)) { // Invalid session
    echo $sSessionKey['status'];
  }
  else if($sSessionKey) { // Valid session
 
    $surveyResponses = $myJSONRPCClient->export_responses($sSessionKey, $iSurveyID, 'json', null, 'completed', 'code', 'short', null, null, null);
 
    if(is_array($surveyResponses)) {
      // Oops, print any errors
      print_r($surveyResponses);
    }
    else {
      // Decode the retuned base-64 string and convert to an array
      $decodedString = base64_decode($surveyResponses);
      $aResponses = json_decode($decodedString, True);
 
      // Find the first response ID        
      $aFirstResponse = reset($aResponses['responses'][0]);
 
      echo '<table style="border-collapse: collapse; text-align: left;">';    
        echo '<tr>';        
          // Insert column headers
          foreach($aFirstResponse as $key => $value) {
            echo '<th style="border: 1px solid #CCC; padding: 2px 7px;">'.$key .'</th>';
          }
        echo '</tr>';
        foreach($aResponses['responses'] as $key => $row) {
          echo '<tr>';
            // Insert the data
            foreach(reset($row) as $key => $item) {
              echo '<td style="border: 1px solid #CCC; padding: 2px 7px;">'.$item .'</td>';
            }
          echo '</tr>';
        }
      echo '</table>';
    }
  }
 
  // Release the session key
  $myJSONRPCClient->release_session_key( $sSessionKey );
 
?>