This REST is actualy made by Jerome PHP Client Library. i fixed couple of errors and i also added example to get 500 frnds and also app frnds.

myspace-platform.zip

Thank you very much.

It's very kind of you to share this code.

But When i use function currentUser(), i meet an error "Fatal error: Uncaught exception 'Exception' with message '404 ' in Space.php:184 Stack trace: #0 Space.php(143): Space->_do_request('currentuser', Array) #1 Space.php(41): Space->do_request('currentuser') #2 index.php(4): Space->currentUser() #3 {main} thrown in Space.php on line 184".

this function actually deprecated. If you are using java script . user this get user

    function sendRequest()
     {
        // Get the container and create a new DataRequest object
        var mos = opensocial.Container.get();
        var dr = mos.newDataRequest();
       
        dr.add(mos.newFetchPersonRequest(opensocial.DataRequest.PersonId.VIEWER), 'viewer');               

        response = dr.send(requestCallback);
    }

    function requestCallback(response)
    {
           
        if ( response.hadError() == false)
        {       
            var viewerId = response.get('viewer').getData().getId();
            viewerName = response.get('viewer').getData().getDisplayName();
    }

here is the complete example. hope you guys find it useful. 

Canvas surface: 

<div id="content"></div>
<script>

    function sendRequest()
     {
        // Get the container and create a new DataRequest object
        var mos = opensocial.Container.get();
        var dr = mos.newDataRequest();
       
        dr.add(mos.newFetchPersonRequest(opensocial.DataRequest.PersonId.VIEWER), 'viewer');               

        response = dr.send(requestCallback);
    }

    function requestCallback(response)
    {
           
        if ( response.hadError() == false)
        {       
            var viewerId = response.get('viewer').getData().getId();
            viewerName = response.get('viewer').getData().getDisplayName();
            var postdata = {
                user : viewerId,
                
            };
            params[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.POST;
            params[gadgets.io.RequestParameters.POST_DATA] = gadgets.io.encodeValues(postdata);
            params[gadgets.io.RequestParameters.AUTHORIZATION] = gadgets.io.AuthorizationType.SIGNED;        
            
            var url = "http://host/myspace_app/canvasconstruction.php";  
            
            gadgets.io.makeRequest(url, function (response, url, errored){
                if (typeof response.text != 'undefined' || response.text != '')
                {            
                    var html = response.text;
            
                    document.getElementById('content').innerHTML = "";                
                    document.getElementById('content').style.display = "block";    
                    document.getElementById('content').innerHTML = html;                
                    gadgets.window.adjustHeight();                
                }    
            }, params);
            
        }    
    }
</script>

//----------------------------------------------------------------------- 

canvasconstruction.php

  require_once('Space.php');
  $key = 'http://www.myspace.com/xxxxx';
  $secret = 'xxxxxxxxxxx';
  $s = new Space($key,$secret);
  $hProfile = $s->profile($_REQUEST['user']);
 
  //getting 500 frnds
  $user_frnd_info = array();
  for ($currentPosition = 1; $currentPosition <= 25; $currentPosition++ )
  {
    $page = $currentPosition;
    $page_size = null;
    $list = null;
    $temp = $s->friends($user,$page,$page_size,$list);

    if ( empty($temp['friends']))
        break;
    else
    {   
        for ($j=0; $j< count( $temp['friends']) ; $j++)
        {
            if ( $temp['friends'][$j]['usertype'] !== 'Application' )
                $user_frnd_info['friends'][ = $temp['friends'][$j];
        }
    }
  }     

    print_r($user_frnd_info);
    
  //getting 500 app frnds
  $user_frnd_info = array();
  for ($currentPosition = 1; $currentPosition <= 25; $currentPosition++ )
  {
    $page = $currentPosition;
    $page_size = null;
    $list = 'app';
    $temp = $s->friends($user,$page,$page_size,$list);

    if ( empty($temp['friends']))
        break;
    else
    {   
        for ($j=0; $j< count( $temp['friends']) ; $j++)
        {
            if ( $temp['friends'][$j]['usertype'] !== 'Application' )
                $user_frnd_info['friends'][ = $temp['friends'][$j];
        }
    }
  }  
 
    print_r($user_frnd_info);