<?php
// * 
// * DebugShowVars.php - Shows selected variable
// * arrays in the 'variable' iframe as defined
// * in the debug/index.php file.
// * 
// * Project was written by Phil Petree
// * and is available at philpetree.com
// * and is released under GNU license.
// * Copyright (C) 2010 by Phill Petree. All rights reserved worldwide.
// * US Governement users have restricted rights.
// *  
// * Ver 1.0 - Release date: June 22, 2010
// *

// *
// * special thanks to: kailashbadu at hotmail dot com
// *

  /**
   * @desc   works out the variables in the current scope(from where function was called).
   *         Returns an array with variable name as key and vaiable value as value
   * @param  $varList: variables returned by get_defined_vars() in desired scope.
   *         $excludeList: variables to be excluded from the list.
   * @return array
   */
  function getDefinedVars($varList, $excludeList)
  {
      $temp1 = array_values(array_diff(array_keys($varList), $excludeList));
      $temp2 = array();
      while (list($key, $value) = each($temp1)) {
          global $$value;
          $temp2[$value] = $$value;
      }
      return $temp2;
  }
  
  /**
   * @desc   holds the variable that are to be excluded from the list.
   *         Add or drop new elements as per your preference.
   * @var    array
   */
  $excludeList = array();
  // start by adding in the deprecated variables (this prevents dups!)
  $excludeList[] = 'HTTP_COOKIE_VARS';  // deprecated, replaced by $_COOKIES
  $excludeList[] = 'HTTP_ENV_VARS';     // deprecated, replaced by $_ENV
  $excludeList[] = 'HTTP_POST_FILES';   // deprecated, replaced by $_FILES
  $excludeList[] = 'HTTP_POST_VARS';    // deprecated, replaced by $_POST
  $excludeList[] = 'HTTP_SERVER_VARS';  // deprecated, replaced by $_SERVER
  $excludeList[] = 'HTTP_GET_VARS';     // deprecated, replaced by $_GET

  // there are a number of variables included in several lists including
  // _SERVER, _ENV etc. and also outside of these globals. So, we'll add
  // these to the total exclude list so that these only show up when we
  // select one of the GLOBAL categories.
  $excludeList[] = 'CONTENT_LENGTH';
  $excludeList[] = 'CONTENT_TYPE';
  $excludeList[] = 'DOCUMENT_ROOT';
  $excludeList[] = 'GATEWAY_INTERFACE';
  $excludeList[] = 'HTTP_ACCEPT';
  $excludeList[] = 'HTTP_ACCEPT_ENCODING';
  $excludeList[] = 'HTTP_ACCEPT_LANGUAGE';
  $excludeList[] = 'HTTP_CACHE_CONTROL';
  $excludeList[] = 'HTTP_CONNECTION';
  $excludeList[] = 'HTTP_COOKIE';
  $excludeList[] = 'HTTP_HOST';
  $excludeList[] = 'HTTP_REFERER';
  $excludeList[] = 'HTTP_USER_AGENT';
  $excludeList[] = 'PATH';
  $excludeList[] = 'QUERY_STRING'; 
  $excludeList[] = 'REDIRECT_STATUS';
  $excludeList[] = 'REMOTE_ADDR';
  $excludeList[] = 'REMOTE_PORT';
  $excludeList[] = 'REQUEST_METHOD';
  $excludeList[] = 'REQUEST_URI';
  $excludeList[] = 'SCRIPT_FILENAME';
  $excludeList[] = 'SCRIPT_NAME';
  $excludeList[] = 'SERVER_ADDR';
  $excludeList[] = 'SERVER_ADMIN';
  $excludeList[] = 'SERVER_NAME';
  $excludeList[] = 'SERVER_PORT';
  $excludeList[] = 'SERVER_PROTOCOL';
  $excludeList[] = 'SERVER_SIGNATURE';
  $excludeList[] = 'SERVER_SOFTWARE';
  $excludeList[] = 'UNIQUE_ID';
  $excludeList[] = 'PHP_SELF';
  $excludeList[] = 'REQUEST_TIME';

  if(!$_POST["GLOBALS"] ) 
  {
    $excludeList[] = 'GLOBALS';
  }
  if(!$_POST["_SERVER"] ) 
  {
    $excludeList[] = '_SERVER';
  }
  if(!$_POST["_GET"] ) 
  {
    $excludeList[] = '_GET';
  }
  if(!$_POST["_POST"] ) 
  {
    $excludeList[] = '_POST';
  }
  if(!$_POST["_FILES"] ) 
  {
    $excludeList[] = '_FILES';
  }
  if(!$_POST["_REQUEST"] ) 
  {
    $excludeList[] = '_REQUEST';
  }
  if(!$_POST["_SESSION"] ) 
  {
    $excludeList[] = '_SESSION';
  }
  if(!$_POST["_ENV"] ) 
  {
    $excludeList[] = '_ENV';
  }
  if(!$_POST["_COOKIE"] ) 
  {
    $excludeList[] = '_COOKIE';
  }
  if(!$_POST["php_errormsg"] ) 
  {
    $excludeList[] = 'php_errormsg';
  }
  if(!$_POST["HTTP_RAW_POST_DATA"] ) 
  {
    $excludeList[] = 'HTTP_RAW_POST_DATA';
  }
  if(!$_POST["http_response_header"] ) 
  {
    $excludeList[] = 'HTTP_RESPONSE_HEADER';
  }
  if(!$_POST["argc"] ) 
  {
    $excludeList[] = 'argc';
  }
  if(!$_POST["argv"] ) 
  {
    $excludeList[] = 'argv';  
  }
  // Now exclude our exclusion list!
  $excludeList[] = 'excludeList';
  
//some dummy variables; add your own or include a file.
//  $firstName = 'kailash';
//  $lastName = 'Badu';
//  $test = array('Pratistha', 'sanu', 'fuchhi');
  
  //get all variables defined in current scope
  $varList = get_defined_vars();
  
  echo "<h3>Only shows variables you have used!</h3>";
  //Time to call the function
  print "<pre>";
  print_r(getDefinedVars($varList, $excludeList));
  print "</pre>";
?>