Page Comparison

<?php
/* Example requires Zend Framework */
require_once('Zend/Loader/Autoloader.php');
function serviceLayerCall($method, $params=null)
{
    $autoloader = Zend_Loader_Autoloader::getInstance();
    $url="http://EFSINSTALLATIONURL/service/index.php?handler=json&token=TOKEN";
    $client = new Zend_Http_Client();
    $client->setUri($url);
    $client->setConfig(array('timeout' => 30));
    $client->setMethod(Zend_Http_Client::POST);
    /* not using TOKEN? Here is basic auth: */
    //$user = "USER";
    //$passwd = "PASSWORD";
    //$client->setAuth($user, $passwd);
    
    $client->setRawData(json_encode(array('method' => $method, 'jsonrpc' => '2.0', 'id' => 1, 'params' => $params)));
    $request = $client->request();
    //print "<pre>";
    //var_dump($request->getBody());
    $return = json_decode($request->getBody());
    $return=$return->result;
    return $return->return;
}

/* 1. Step - Get projects
 */
print "<h3>1. step - get projects</h3>";
$projects=serviceLayerCall("survey.surveys.getList");

foreach($projects as $project)
{
    print "- ".$project->title." (".$project->id.")<br>";
}


//2. Step - Get Structure for Pid 1112
, first a helper function:
function sub($pages, &$myquestions)
{
    foreach($pages as $page)
    {
        if(count($page->subPages) > 0)
            $this->sub($page->subPages, $myquestions);
        foreach($page->questions as $question)
        {
            $myquestions[]=$question;
        }
    }
    return $myquestions;
}

$relevantVars=array();
print "<hr><h3>2. step - get structure for Pid 1112</h3>";
$project=serviceLayerCall("survey.surveys.getQuestionnaireStructure", array("surveyId" => 1112));
$questions=sub($project, $myquestions);
foreach($questions as $question)
{
    if($question->questiontext) {
        print $question->questiontext . "<br>";
        foreach ($question->variables as $variable) {
            if ($variable->type == "char" || $variable->type == "text") {
                print "Text-Var: ".$variable->varname . "<br>";
                //add to $relevantVars for export
                $relevantVars[] = $variable->varname;
            }
        }
    }
}

/* 3 - Relevant vars for export */
print "<hr><h3>3. Collected variables for export:</h3>";
var_dump($relevantVars);
print "</pre>";

/* 4 - Get CSV export */
print "<hr><h3>4. Get results for specific vars</h3>";
$exportData=serviceLayerCall("survey.results.getRawdataCSV", array("surveyId" => 1112, "exportTypes" => array("QUESTIONNAIRE"), "includeVariables" => $relevantVars));
print base64_decode($exportData);