มีใครเขียนโปรแกรมที่ติดต่อกับ Facebook บ้างครับ อยากทราบวิธีแก้ไข Error ต่าง ๆ ของ Facebook SDK

require '../../lib/facebook-lib/src/facebook.php';
	
$facebook = new Facebook(array(
    'appId'  => _appId,
    'secret' => _secret,
    'cookie' => true,
));

$scopes = 'publish_stream, manage_pages, offline_access';

$user = $facebook->getUser();

$facebook->setFileUploadSupport(true);

	$result = $db->getAllPostingPostJoinPostingPageByDatetimeAndApprovedStatus($next, $prev, _approved_status);
	while($row = mysql_fetch_array($result))
	{
		postcontent($row['idPosting_Post'],$facebook);
	}


	function postcontent($post_id, $facebook)
	{
		$postdate = date("Y-m-d H:i:s");
		
		$db = new DBCONTENTPOSTING();
		
		$result = $db->getPostingPostJoinPostingPageByPostId($post_id);
		$facebook->setAccessToken($result['Access_token']);
		
		if($result['Post_Type'] == _post_photo_type)
		{
			$album = '';
			if($result['Photo'] === 'old')
			{
				$album = $result['Album_FBID'];
			}
			else
			{
				//Create New Album
				$args_album=array(
			        'name' => stripslashes($result['Album_Name']),
			        'message' => stripslashes($result['Album_Description'])
			    );    
			    
			    $newalbumid;
			    try
			    {  
			        if($result['Album_Name']!="")
			        {
			            $newalbumid = $facebook->api('/'.$result['Page_FBID'].'/albums','post', $args_album); //Create new album
			        }
			        $album = $newalbumid['id'];
			    }
			    catch(FacebookApiException $e) 
			    {   
			    	$db->addPostingErrorLog($post_id, $postdate, $e->getType(), $e->getMessage());
			        error_log($e);  
			    }
			}
	
			$photolist = $db->getAllPostingPhotoByPostId($post_id);
			$photoid = '';
			
			$checkphoto = true;
			while($row = mysql_fetch_array($photolist))
			{
				$args_photo = array(  
				    'message' => stripslashes($row['Description']),    
				    'source' => '@'.realpath($row['Path'])
				);
				
				try
				{  
			        if($row['Path'] != "")
			        {
			            $photoid = $facebook->api('/'.$album.'/photos','post', $args_photo); //add new photo
			        }
			    }
			    catch(FacebookApiException $e) 
			    {   
			    	$photoid['id'] = '';
			    	$db->addPostingErrorLog($post_id, $postdate, $e->getType(), $e->getMessage());
			        error_log($e);  
			        $checkphoto = false;
			    }
			    
			    //Upload Facebook Photo Id
			    $db->updatePostingPhotoByPhotoFbId($row['idPosting_Photo'], $photoid['id']);
			}
			
			if($checkphoto)
			{
				$status = $db->getPostingStatusByStatusName(_live_status);
			}
			else
			{
				$status = $db->getPostingStatusByStatusName(_failed_status);	
			}
			
			if($db->updatePostingPostByPostFbIdAndPostingStatusId($post_id, null, $status['idPosting_Status'])) 
			{
				$db->updatePostingPostFbIdTagMap($post_id, "");
				$output = 'Posted '.$status['Status_Name'];
		    }
		    else
		    {
		    	$output = 'can not update status.';
		    }
		    echo $output; 
                    }
	}