<?php
 
  require_once 'jsonRPCClient.php';
 
  define( 'LS_BASEURL', 'http://pathTo/limesurvey');  
  define( 'LS_USER', 'admin' );
  define( 'LS_PASSWORD', 'password' );
 
  $iSurveyID_org = 123456;
  $sNewname = 'Copy of survey 123456';
 
 
  if(ctype_alnum($iSurveyID_org) &amp;&amp; strlen($iSurveyID_org == 6)) { // Valid SID format
 
    // 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
 
      // Copy survey
      $newSurvey = $myJSONRPCClient->copy_survey($sSessionKey, $iSurveyID_org, $sNewname);
 
      // Print results
      print_r($newSurvey);
    }
 
    // Release the session key
    $myJSONRPCClient->release_session_key( $sSessionKey );
  }
  else { // Invalid SID format
    die( 'Invalid format!' );
  }
 
?>

Array ( [status] => OK [newsid] => 234567)

Array ( [status] => Copy failed [error] => Invalid survey ID )