PHP google apps redirector

gistfile1.txt

function doGet(e) {
  // var params = JSON.stringify(e);

  // Add a row to the spreadsheet here
  var ss = SpreadsheetApp.openById(PropertiesService.getUserProperties().getProperty("ssId"));
  var sheet = ss.getSheetByName("Beacons");
  if (sheet == null) {
    sheet = ss.insertSheet("Beacons");
  }  
  
  // qs = e.queryString
  // Decode entities...
  qe = JSON.stringify(e.parameters)
  
  ip = e.parameter['ip']
  q = e.parameter['q']
  
  
  sheet.appendRow([new Date(), ip, q, qe]);
  //sheet.appendRow([new Date(), ip, q]);
  return ContentService.createTextOutput('OK');
}

function onOpen(){
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  PropertiesService.getUserProperties().setProperty("ssId", ss.getId());
}


<?php

function clean($elem)
{
    if(!is_array($elem))
        $elem = htmlentities($elem,ENT_QUOTES,"UTF-8");
    else
        foreach ($elem as $key => $value)
            $elem[$key] = clean($value);
    return $elem;
}

$ip = $_SERVER['REMOTE_ADDR'];
$clean = clean($_GET); $gapp = "https://script.google.com/macros/s/blah/exec";
$q = http_build_query($clean, null, '&', PHP_QUERY_RFC3986); // ensure spaces as percent in q data
$data = array('ip'=>$ip,
              'q'=>$q,
              'ua'=>clean($_SERVER['HTTP_USER_AGENT']),
              'uh'=>clean($_SERVER['HTTP_HOST']),
              'uf'=>clean($_SERVER['HTTP_REFERER']),
              'uu'=>clean($_SERVER['REMOTE_USER']),
              'ur'=>clean($_SERVER['REQUEST_URI'])
              );
$q2 = http_build_query($data);

//echo "GET: <br/><span style='font-color: blue;'>$_GET</span></br>";
//echo "CLEAN: <br/><span style='font-color: blue;'>$clean</span></br>";
//echo "Result1: <br/><span style='font-color: blue;'>$q</span></br>";
//echo "Invert1: <br/><span style='font-color: blue;'>".urldecode($q)."</span></br>"; // html_entity_decode ?
//echo "Result2: <br/><span style='font-color: blue;'>$q2</span></br>";
echo file_get_contents($gapp . "?" . $q2);
?>