/html/AppCode/expressionengine/modules/comment/mod.comment.php

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<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * ExpressionEngine - by EllisLab
 *
 * @package		ExpressionEngine
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2003 - 2010, EllisLab, Inc.
 * @license		http://expressionengine.com/user_guide/license.html
 * @link		http://expressionengine.com
 * @since		Version 2.0
 * @filesource
 */

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

/**
 * ExpressionEngine Comment Module
 *
 * @package		ExpressionEngine
 * @subpackage	Modules
 * @category	Modules
 * @author		ExpressionEngine Dev Team
 * @link		http://expressionengine.com
 */
class Comment {

	// Maximum number of comments.  This is a safety valve
	// in case the user doesn't specify a maximum

	var $limit = 100;


	// Show anchor?
	// TRUE/FALSE
	// Determines whether to show the <a name> anchor above each comment

	var $show_anchor = FALSE;
	
	// Comment Expiration Mode
	// 0 -	Comments only expire if the comment expiration field in the PUBLISH page contains a value.
	// 1 -	If the comment expiration field is blank, comments will still expire if the global preference
	// 		is set in the Channel Preferences page.  Use this option only if you used EE prior to
	//		version 1.1 and you want your old comments to expire.	

	var $comment_expiration_mode = 0;


	/**
	 * Constructor
	 *
	 * @access	public
	 */
	function Comment()
	{
		// Make a local reference to the ExpressionEngine super object
		$this->EE =& get_instance();

		$fields = array('name', 'email', 'url', 'location', 'comment');

		foreach ($fields as $val)
		{
			if (isset($_POST[$val] ))
			{
				$_POST[$val] = $this->EE->functions->encode_ee_tags($_POST[$val], TRUE);

				if ($val == 'comment')
				{
					$_POST[$val] = $this->EE->security->xss_clean($_POST[$val]);
				}
			}
		}
	}

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

	/**
	 * Comment Entries
	 *
	 * @access	public
	 * @return	string
	 */
	function entries()
	{
		$return 		= '';
		$current_page	= '';
		$qstring		= $this->EE->uri->query_string;
		$uristr			= $this->EE->uri->uri_string;
		$switch 		= array();
		$search_link	= '';

		// Pagination variables

		$paginate			= FALSE;
		$paginate_data		= '';
		$pagination_links	= '';
		$page_next			= '';
		$page_previous		= '';
		$current_page		= 0;
		$t_current_page		= '';
		$total_pages		= 1;

		if ($this->EE->TMPL->fetch_param('dynamic') == 'no')
		{
			$dynamic = FALSE;
		}
		else
		{
			$dynamic = TRUE;
		}
		
		$force_entry = FALSE;
		
		if ($this->EE->TMPL->fetch_param('entry_id') !== FALSE OR $this->EE->TMPL->fetch_param('url_title') !== FALSE OR $this->EE->TMPL->fetch_param('comment_id') !== FALSE)
		{
			$force_entry = TRUE;
		}			

		/** ----------------------------------------------
		/**  Do we allow dynamic POST variables to set parameters?
		/** ----------------------------------------------*/
		if ($this->EE->TMPL->fetch_param('dynamic_parameters') !== FALSE AND isset($_POST) AND count($_POST) > 0)
		{
			foreach (explode('|', $this->EE->TMPL->fetch_param('dynamic_parameters')) as $var)
			{
				if (isset($_POST[$var]) AND in_array($var, array('channel', 'limit', 'sort', 'orderby')))
				{
					$this->EE->TMPL->tagparams[$var] = $_POST[$var];
				}
			}
		}

		/** --------------------------------------
		/**  Parse page number
		/** --------------------------------------*/

		// We need to strip the page number from the URL for two reasons:
		// 1. So we can create pagination links
		// 2. So it won't confuse the query with an improper proper ID

		if ( ! $dynamic)
		{
			if (preg_match("#(^|/)N(\d+)(/|$)#i", $qstring, $match))
			{				
				$current_page = $match['2'];
				$uristr  = trim($this->EE->functions->remove_double_slashes(str_replace($match['0'], '/', $uristr)), '/');
			}
		}
		else
		{
			if (preg_match("#(^|/)P(\d+)(/|$)#", $qstring, $match))
			{
				$current_page = $match['2'];
				$uristr  = $this->EE->functions->remove_double_slashes(str_replace($match['0'], '/', $uristr));
				$qstring = trim($this->EE->functions->remove_double_slashes(str_replace($match['0'], '/', $qstring)), '/');
			}
		}
		
		if  ($dynamic == TRUE OR $force_entry == TRUE)
		{
			// Fetch channel_ids if appropriate
			$channel_ids = array();

			if ($channel = $this->EE->TMPL->fetch_param('channel') OR $this->EE->TMPL->fetch_param('site'))
			{
				$this->EE->db->select('channel_id');
				$this->EE->db->where_in('site_id', $this->EE->TMPL->site_ids);

				if ($channel !== FALSE)
				{
					$this->EE->functions->ar_andor_string($channel, 'channel_name');
				}

				$channels = $this->EE->db->get('channels');
				
				if ($channels->num_rows() == 0)
				{
					return false;
				}
				else
				{
					foreach($channels->result_array() as $row)
					{
						$channel_ids[] = $row['channel_id'];
					}
				}
			}

			// Check if an entry_id or url_title was specified
			if ($entry_id = $this->EE->TMPL->fetch_param('entry_id'))
			{
				$sql = substr($this->EE->functions->sql_andor_string($entry_id, 'entry_id'), 4);
				$this->EE->db->where($sql, NULL, FALSE);
			}
			elseif ($url_title = $this->EE->TMPL->fetch_param('url_title'))
			{
				$sql = substr($this->EE->functions->sql_andor_string($url_title, 'url_title'), 4);
				$this->EE->db->where($sql, NULL, FALSE);
				
			}
			else
			{
				// If there is a slash in the entry ID we'll kill everything after it.
				$entry_id = trim($qstring); 
				$entry_id = preg_replace("#/.+#", "", $entry_id);
				
				// Have to choose between id or url title
				if ( ! is_numeric($entry_id))
				{
					$this->EE->db->where('url_title', $entry_id);
				}
				else
				{
					$this->EE->db->where('entry_id', $entry_id);
				}
			}

			/** ----------------------------------------
			/**  Do we have a valid entry ID number?
			/** ----------------------------------------*/

			$timestamp = ($this->EE->TMPL->cache_timestamp != '') ? $this->EE->localize->set_gmt($this->EE->TMPL->cache_timestamp) : $this->EE->localize->now;

			$this->EE->db->select('entry_id, channel_titles.channel_id');
			$this->EE->db->where('channel_titles.channel_id = '.$this->EE->db->dbprefix('channels').'.channel_id');
			$this->EE->db->where_in('channel_titles.site_id', $this->EE->TMPL->site_ids);

			if ($this->EE->TMPL->fetch_param('show_expired') !== 'yes')
			{
				$date_where = "(".$this->EE->db->protect_identifiers('expiration_date')." = 0 OR "
				.$this->EE->db->protect_identifiers('expiration_date')." > {$timestamp})";
				$this->EE->db->where($date_where);
			}

			if ($author_id = $this->EE->TMPL->fetch_param('author_id'))
			{
				$this->EE->db->where('author_id', $author_id);
			}

			if ($e_status = $this->EE->TMPL->fetch_param('entry_status'))
			{
				$e_status = str_replace('Open',	'open',	$e_status);
				$e_status = str_replace('Closed', 'closed', $e_status);

				$sql = $this->EE->functions->sql_andor_string($e_status, 'status');

				if (stristr($sql, "'closed'") === FALSE)
				{
					$sql .= " AND status != 'closed' ";
				}
				
				//  We need to drop the leading AND from the generated string 
				$sql = substr($sql, 4);

				$this->EE->db->where($sql, NULL, FALSE);
			}
			else
			{
				$this->EE->db->where('status !=', 'closed');
			}
			
			
			/** ----------------------------------------------
			/**  Limit to/exclude specific channels
			/** ----------------------------------------------*/
			if (count($channel_ids) == 1)
			{
				$this->EE->db->where('channel_titles.channel_id', $channel_ids['0']);
			}
			elseif (count($channel_ids) > 1)
			{
				$this->EE->db->where_in('channel_titles.channel_id', $channel_ids);
			}

			$this->EE->db->from('channel_titles');
			$this->EE->db->from('channels');
			$query = $this->EE->db->get();

			// Bad ID?  See ya!
			if ($query->num_rows() == 0)
			{
				return FALSE;
			}

			// We'll reassign the entry IDs so they're the true numeric ID
			foreach($query->result_array() as $row)
			{
				$entry_ids[] = $row['entry_id'];
			}
		}


		// If the comment tag is being used in freeform mode
		// we need to fetch the channel ID numbers
		
		if ( ! $dynamic)
		{
			if ($channel = $this->EE->TMPL->fetch_param('channel') OR $this->EE->TMPL->fetch_param('site'))
			{
				$this->EE->db->select('channel_id');
				$this->EE->db->where_in('site_id', $this->EE->TMPL->site_ids);

				if ($channel !== FALSE)
				{
					$this->EE->functions->ar_andor_string($channel, 'channel_name');
				}

				$query = $this->EE->db->get('channels');

				if ($query->num_rows() == 0)
				{
					return $this->EE->TMPL->no_results();
				}
				else
				{
					// Store the query components in the AR cache so we don't need to
					// recompile them after we run count_all_results for pagination.
					
					$this->EE->db->start_cache();
					
					if ($query->num_rows() == 1)
					{
						$this->EE->db->where('channel_id', $query->row('channel_id'));
					}
					else
					{
						$ids = array();
						
						foreach ($query->result_array() as $row)
						{
							$ids[] = $row['channel_id'];
						}
						
						$this->EE->db->where_in('channel_id', $ids);
					}
				}
			}
		}

		/** ----------------------------------------
		/**  Set sorting and limiting
		/** ----------------------------------------*/

		if ( ! $dynamic)
		{
			$limit = ( ! $this->EE->TMPL->fetch_param('limit')) ? 100 : $this->EE->TMPL->fetch_param('limit');
			$sort  = ( ! $this->EE->TMPL->fetch_param('sort'))  ? 'desc' : $this->EE->TMPL->fetch_param('sort');
		}
		else
		{
			$limit = ( ! $this->EE->TMPL->fetch_param('limit')) ? $this->limit : $this->EE->TMPL->fetch_param('limit');
			$sort  = ( ! $this->EE->TMPL->fetch_param('sort'))  ? 'asc' : $this->EE->TMPL->fetch_param('sort');
		}

		$allowed_sorts = array('date', 'email', 'location', 'name', 'url');


		/** ----------------------------------------
		/**  Fetch comment ID numbers
		/** ----------------------------------------*/

		$temp = array();
		$i = 0;

		// Left this here for backward compatibility
		// We need to deprecate the "order_by" parameter

		if ($this->EE->TMPL->fetch_param('orderby') != '')
		{
			$order_by = $this->EE->TMPL->fetch_param('orderby');
		}
		else
		{
			$order_by = $this->EE->TMPL->fetch_param('order_by');
		}

		$random = ($order_by == 'random') ? TRUE : FALSE;
		$order_by  = ($order_by == 'date' OR ! in_array($order_by, $allowed_sorts))  ? 'comment_date' : $order_by;

		$this->EE->db->select('comment_date, comment_id');
		
		$comment_sql = FALSE;
		
		if ($status = $this->EE->TMPL->fetch_param('status'))
		{
			$status = strtolower($status);
			$status = str_replace('open',	'o', $status);
			$status = str_replace('closed', 'c', $status);
			$status = str_replace('pending', 'p', $status);

			$comment_sql = $this->EE->functions->sql_andor_string($status, 'status');

			if (stristr($comment_sql, "'c'") === FALSE)
			{
				$comment_sql .= " AND status != 'c' ";
			}

			//  We need to drop the leading AND from the generated string 
			$comment_sql = substr($comment_sql, 4);
			$this->EE->db->where($comment_sql, NULL, FALSE);
		}
		else
		{
			$this->EE->db->where('status', 'o');
		}
		
		if ( ! $dynamic)
		{
			// When we are only showing comments and it is not based on an entry id or url title
			// in the URL, we can make the query much more efficient and save some work.

			if (isset($entry_ids) && count($entry_ids) > 0)
			{
				$this->EE->db->where_in('entry_id', $entry_ids);
			}
			
			$total_rows = $this->EE->db->count_all_results('comments');

			// We lose these in the counting process
			$this->EE->db->select('comment_date, comment_id');
			
			if ($comment_sql)
			{
				$this->EE->db->where($comment_sql, NULL, FALSE);
			}
			else
			{
				$this->EE->db->where('status', 'o');
			}
			
			if (isset($entry_ids) && count($entry_ids) > 0)
			{
				$this->EE->db->where_in('entry_id', $entry_ids);
			}						

			$this_sort = ($random) ? 'random' : strtolower($sort);
			$this_page = ($current_page == '' OR ($limit > 1 AND $current_page == 1)) ? 0 : $current_page;

			$this->EE->db->order_by($order_by, $this_sort);
			$this->EE->db->limit($limit, $this_page);
		}
		else
		{
			// Force entry may result in multiple entry ids
			if (isset($entry_ids) && count($entry_ids) > 0)
			{
				$this->EE->db->where_in('entry_id', $entry_ids);
			}
			else
			{
				$this->EE->db->where('entry_id', $entry_id);
			}
			
			$this_sort = ($random) ? 'random' : strtolower($sort);

			$this->EE->db->order_by($order_by, $this_sort);
		}

		$query = $this->EE->db->get('comments');
		$result_ids = array();


		if ($query->num_rows() > 0)
		{
			foreach ($query->result_array() as $row)
			{
				$result_ids[] = $row['comment_id'];
			}
		}

		// We are done with this
		$this->EE->db->flush_cache();
		$this->EE->db->stop_cache();

		/** ------------------------------------
		/**  No results?  No reason to continue...
		/** ------------------------------------*/

		if (count($result_ids) == 0)
		{
			return $this->EE->TMPL->no_results();
		}


		/** ---------------------------------
		/**  Do we need pagination?
		/** ---------------------------------*/

		// When showing only comments and no using the URL, then we already have this value

		if ($dynamic)
		{
			$total_rows = count($result_ids);
		}

		if (preg_match("/".LD."paginate(.*?)".RD."(.+?)".LD.'\/'."paginate".RD."/s", $this->EE->TMPL->tagdata, $match))
		{
			$paginate		= TRUE;
			$paginate_data	= $match['2'];
			$anchor = '';

			if ($match['1'] != '')
			{
				if (preg_match("/anchor.*?=[\"|\'](.+?)[\"|\']/", $match['1'], $amatch))
				{
					$anchor = '#'.$amatch['1'];
				}
			}

			$this->EE->TMPL->tagdata = preg_replace("/".LD."paginate.*?".RD.".+?".LD.'\/'."paginate".RD."/s", "", $this->EE->TMPL->tagdata);

			$current_page = ($current_page == '' OR ($limit > 1 AND $current_page == 1)) ? 0 : $current_page;

			if ($current_page > $total_rows)
			{
				$current_page = 0;
			}

			$t_current_page = floor(($current_page / $limit) + 1);
			$total_pages	= intval(floor($total_rows / $limit));

			if ($total_rows % $limit)
				$total_pages++;

			if ($total_rows > $limit)
			{
				$this->EE->load->library('pagination');

				$deft_tmpl = '';

				if ($uristr == '')
				{
					if ($this->EE->config->item('template_group') == '')
					{
						$this->EE->db->select('group_name');
						$query = $this->EE->db->get_where('template_groups', array('is_site_default' => 'y'));
						
						$deft_tmpl = $query->row('group_name') .'/index';
					}
					else
					{
						$deft_tmpl  = $this->EE->config->item('template_group').'/';
						$deft_tmpl .= ($this->EE->config->item('template') == '') ? 'index' : $this->EE->config->item('template');
					}
				}

				$basepath = $this->EE->functions->remove_double_slashes($this->EE->functions->create_url($uristr, FALSE).'/'.$deft_tmpl);

				if ($this->EE->TMPL->fetch_param('paginate_base'))
				{
					// Load the string helper
					$this->EE->load->helper('string');

					$pbase = trim_slashes($this->EE->TMPL->fetch_param('paginate_base'));

					$pbase = str_replace("/index", "/", $pbase);

					if ( ! strstr($basepath, $pbase))
					{
						$basepath = $this->EE->functions->remove_double_slashes($basepath.'/'.$pbase);
					}
				}

				$config['first_url'] 	= rtrim($basepath, '/').$anchor;
				$config['base_url']		= $basepath;
				$config['prefix']		= ( ! $dynamic) ? 'N' : 'P';
				$config['total_rows'] 	= $total_rows;
				$config['per_page']		= $limit;
				$config['cur_page']		= $current_page;
				$config['suffix']		= $anchor;
				$config['first_link'] 	= $this->EE->lang->line('pag_first_link');
				$config['last_link'] 	= $this->EE->lang->line('pag_last_link');
				
				// Allows $config['cur_page'] to override
				$config['uri_segment'] = 0;

				$this->EE->pagination->initialize($config);
				$pagination_links = $this->EE->pagination->create_links();

				if ((($total_pages * $limit) - $limit) > $current_page)
				{
					$page_next = $basepath.$config['prefix'].($current_page + $limit).'/';
				}

				if (($current_page - $limit ) >= 0)
				{
					$page_previous = $basepath.$config['prefix'].($current_page - $limit).'/';
				}
			}
			else
			{
				$current_page = '';
			}
		}

		// When only non-dynamic comments are shown, all results are valid as the
		// query is restricted with a LIMIT clause
		if ($dynamic)
		{
			if ($current_page == '')
			{
				$result_ids = array_slice($result_ids, 0, $limit);
			}
			else
			{
				$result_ids = array_slice($result_ids, $current_page, $limit);
			}
		}
		
		/** -----------------------------------
		/**  Fetch Comments if necessary
		/** -----------------------------------*/

		$results = $result_ids;
		$mfields = array();

		/** ----------------------------------------
		/**  "Search by Member" link
		/** ----------------------------------------*/
		// We use this with the {member_search_path} variable

		$result_path = (preg_match("/".LD."member_search_path\s*=(.*?)".RD."/s", $this->EE->TMPL->tagdata, $match)) ? $match['1'] : 'search/results';
		$result_path = str_replace("\"", "", $result_path);
		$result_path = str_replace("'",  "", $result_path);

		$search_link = $this->EE->functions->fetch_site_index(0, 0).QUERY_MARKER.'ACT='.$this->EE->functions->fetch_action_id('Search', 'do_search').'&amp;result_path='.$result_path.'&amp;mbr=';

		$this->EE->db->select('comments.comment_id, comments.entry_id, comments.channel_id, comments.author_id, comments.name, comments.email, comments.url, comments.location AS c_location, comments.ip_address, comments.comment_date, comments.edit_date, comments.comment, comments.site_id AS comment_site_id,
										members.username, members.group_id, members.location, members.occupation, members.interests, members.aol_im, members.yahoo_im, members.msn_im, members.icq, members.group_id, members.member_id, members.signature, members.sig_img_filename, members.sig_img_width, members.sig_img_height, members.avatar_filename, members.avatar_width, members.avatar_height, members.photo_filename, members.photo_width, members.photo_height,
										member_data.*,
										channel_titles.title, channel_titles.url_title, channel_titles.author_id AS entry_author_id,
										channels.comment_text_formatting, channels.comment_html_formatting, channels.comment_allow_img_urls, channels.comment_auto_link_urls, channels.channel_url, channels.comment_url, channels.channel_title'
				);
				
		$this->EE->db->join('channels',			'comments.channel_id = channels.channel_id',	'left');
		$this->EE->db->join('channel_titles',	'comments.entry_id = channel_titles.entry_id',	'left');
		$this->EE->db->join('members',			'members.member_id = comments.author_id',		'left');
		$this->EE->db->join('member_data',		'member_data.member_id = members.member_id',	'left');
				
		$this->EE->db->where_in('comments.comment_id', $result_ids);
		$this->EE->db->order_by($order_by, $this_sort);
				
		$query = $this->EE->db->get('comments');
				
		$total_results = $query->num_rows();
		
		if ($query->num_rows() > 0)
		{
			$i = 0;
			foreach ($query->result_array() as $row)
			{
				$results[$row['comment_id']] = $query->result_array[$i];
				$i++;
			}
					
		// Potentially a lot of information
		$query->free_result();
		}

		/** ----------------------------------------
		/**  Fetch custom member field IDs
		/** ----------------------------------------*/

		$this->EE->db->select('m_field_id, m_field_name');
		$query = $this->EE->db->get('member_fields');

		if ($query->num_rows() > 0)
		{
			foreach ($query->result_array() as $row)
			{
				$mfields[$row['m_field_name']] = $row['m_field_id'];
			}
		}

		/** ----------------------------------------
		/**  Instantiate Typography class
		/** ----------------------------------------*/

		$config = ($this->EE->config->item('comment_word_censoring') == 'y') ? array('word_censor' => TRUE) : array();
		
		$this->EE->load->library('typography');
		$this->EE->typography->initialize($config);
		
		$this->EE->typography->parse_images = FALSE;
		$this->EE->typography->allow_headings = FALSE;

		/** ----------------------------------------
		/**  Fetch all the date-related variables
		/** ----------------------------------------*/

		$gmt_comment_date	= array();
		$comment_date		= array();
		$edit_date			= array();

		// We do this here to avoid processing cycles in the foreach loop

		$date_vars = array('gmt_comment_date', 'comment_date', 'edit_date');

		foreach ($date_vars as $val)
		{
			if (preg_match_all("/".LD.$val."\s+format=[\"'](.*?)[\"']".RD."/s", $this->EE->TMPL->tagdata, $matches))
			{
				for ($j = 0; $j < count($matches['0']); $j++)
				{
					$matches['0'][$j] = str_replace(LD, '', $matches['0'][$j]);
					$matches['0'][$j] = str_replace(RD, '', $matches['0'][$j]);

					switch ($val)
					{
						case 'comment_date' 	: $comment_date[$matches['0'][$j]] = $this->EE->localize->fetch_date_params($matches['1'][$j]);
							break;
						case 'gmt_comment_date' : $gmt_comment_date[$matches['0'][$j]] = $this->EE->localize->fetch_date_params($matches['1'][$j]);
							break;
						case 'edit_date'		: $edit_date[$matches['0'][$j]] = $this->EE->localize->fetch_date_params($matches['1'][$j]);
							break;
					}
				}
			}
		}

		/** ----------------------------------------
		/**  Protected Variables for Cleanup Routine
		/** ----------------------------------------*/

		// Since comments do not necessarily require registration, and since
		// you are allowed to put member variables in comments, we need to kill
		// left-over unparsed junk.  The $member_vars array is all of those
		// member related variables that should be removed.

		$member_vars = array('location', 'occupation', 'interests', 'aol_im', 'yahoo_im', 'msn_im', 'icq',
							 'signature', 'sig_img_filename', 'sig_img_width', 'sig_img_height',
							 'avatar_filename', 'avatar_width', 'avatar_height',
							 'photo_filename', 'photo_width', 'photo_height');

		$member_cond_vars = array();

		foreach($member_vars as $var)
		{
			$member_cond_vars[$var] = '';
		}


		/** ----------------------------------------
		/**  Start the processing loop
		/** ----------------------------------------*/

		$item_count = 0;

		$relative_count = 0;
		$absolute_count = ($current_page == '') ? 0 : $current_page;

		foreach ($results as $id => $row)
		{
			if ( ! is_array($row))
				continue;

			$relative_count++;
			$absolute_count++;

			$row['count']			= $relative_count;
			$row['absolute_count']	= $absolute_count;
			$row['total_comments']	= $total_rows;
			$row['total_results']	= $total_results;

			// This lets the {if location} variable work

			if (isset($row['author_id']))
			{
				if ($row['author_id'] == 0)
					$row['location'] = $row['c_location'];
			}

			$tagdata = $this->EE->TMPL->tagdata;

			// -------------------------------------------
			// 'comment_entries_tagdata' hook.
			//  - Modify and play with the tagdata before everyone else
			//
				if ($this->EE->extensions->active_hook('comment_entries_tagdata') === TRUE)
				{
					$tagdata = $this->EE->extensions->call('comment_entries_tagdata', $tagdata, $row);
					if ($this->EE->extensions->end_script === TRUE) return $tagdata;
				}
			//
			// -------------------------------------------

			/** ----------------------------------------
			/**  Conditionals
			/** ----------------------------------------*/
			$cond = array_merge($member_cond_vars, $row);
			$cond['comments']			= (substr($id, 0, 1) == 't') ? 'FALSE' : 'TRUE';
			$cond['logged_in']			= ($this->EE->session->userdata('member_id') == 0) ? 'FALSE' : 'TRUE';
			$cond['logged_out']			= ($this->EE->session->userdata('member_id') != 0) ? 'FALSE' : 'TRUE';
			$cond['allow_comments'] 	= (isset($row['allow_comments']) AND $row['allow_comments'] == 'n') ? 'FALSE' : 'TRUE';
			$cond['signature_image']	= ( ! isset($row['sig_img_filename']) OR $row['sig_img_filename'] == '' OR $this->EE->config->item('enable_signatures') == 'n' OR $this->EE->session->userdata('display_signatures') == 'n') ? 'FALSE' : 'TRUE';
			$cond['avatar']				= ( ! isset($row['avatar_filename']) OR $row['avatar_filename'] == '' OR $this->EE->config->item('enable_avatars') == 'n' OR $this->EE->session->userdata('display_avatars') == 'n') ? 'FALSE' : 'TRUE';
			$cond['photo']				= ( ! isset($row['photo_filename']) OR $row['photo_filename'] == '' OR $this->EE->config->item('enable_photos') == 'n' OR $this->EE->session->userdata('display_photos') == 'n') ? 'FALSE' : 'TRUE';
			$cond['is_ignored']			= ( ! isset($row['member_id']) OR ! in_array($row['member_id'], $this->EE->session->userdata['ignore_list'])) ? 'FALSE' : 'TRUE';
			
			$cond['editable'] = FALSE;
			$cond['can_moderate_comment'] = FALSE;
			
		if ($this->EE->session->userdata['group_id'] == 1 OR 
			$this->EE->session->userdata['can_edit_all_comments'] == 'y' OR 
			($this->EE->session->userdata['can_edit_own_comments'] == 'y' && $row['entry_author_id'] == $this->EE->session->userdata['member_id']))
			{
				$cond['editable'] = TRUE;
				$cond['can_moderate_comment'] = TRUE;								
			}
			elseif ($this->EE->session->userdata['member_id'] != '0'  && $author_id == $this->EE->session->userdata['member_id'])
			{
				$cond['editable'] = TRUE;
			}			

			if ( isset($mfields) && is_array($mfields) && count($mfields) > 0)
			{
				foreach($mfields as $key => $value)
				{
					if (isset($row['m_field_id_'.$value]))
						$cond[$key] = $row['m_field_id_'.$value];
				}
			}

			$tagdata = $this->EE->functions->prep_conditionals($tagdata, $cond);

			/** ----------------------------------------
			/**  Parse "single" variables
			/** ----------------------------------------*/
			foreach ($this->EE->TMPL->var_single as $key => $val)
			{

				/** ----------------------------------------
				/**  parse {switch} variable
				/** ----------------------------------------*/

				if (strncmp($key, 'switch', 6) == 0)
				{
					$sparam = $this->EE->functions->assign_parameters($key);

					$sw = '';

					if (isset($sparam['switch']))
					{
						$sopt = @explode("|", $sparam['switch']);

						$sw = $sopt[($relative_count + count($sopt) - 1) % count($sopt)];
					}

					$tagdata = $this->EE->TMPL->swap_var_single($key, $sw, $tagdata);
				}



				/** ----------------------------------------
				/**  parse permalink
				/** ----------------------------------------*/

				if ($key == 'permalink' && isset($row['comment_id']))
				{
						$tagdata = $this->EE->TMPL->swap_var_single(
															$key,
															$this->EE->functions->create_url($uristr.'#'.$row['comment_id'], FALSE),
															$tagdata
														 );
				}

				/** ----------------------------------------
				/**  parse comment_path
				/** ----------------------------------------*/

				if (strncmp($key, 'comment_path', 12) == 0 OR strncmp($key, 'entry_id_path', 13) == 0)
				{
					$tagdata = $this->EE->TMPL->swap_var_single(
														$key,
														$this->EE->functions->create_url($this->EE->functions->extract_path($key).'/'.$row['entry_id']),
														$tagdata
													 );
				}


				/** ----------------------------------------
				/**  parse title permalink
				/** ----------------------------------------*/

				if (strncmp($key, 'title_permalink', 15) == 0 OR strncmp($key, 'url_title_path', 14) == 0)
				{
					$path = ($this->EE->functions->extract_path($key) != '' AND $this->EE->functions->extract_path($key) != 'SITE_INDEX') ? $this->EE->functions->extract_path($key).'/'.$row['url_title'] : $row['url_title'];

					$tagdata = $this->EE->TMPL->swap_var_single(
														$key,
														$this->EE->functions->create_url($path, FALSE),
														$tagdata
													 );
				}

				/** ----------------------------------------
				/**  parse comment date
				/** ----------------------------------------*/

				if (isset($comment_date[$key]) && isset($row['comment_date']))
				{
					foreach ($comment_date[$key] as $dvar)
					{
						$val = str_replace($dvar, $this->EE->localize->convert_timestamp($dvar, $row['comment_date'], TRUE), $val);
					}

					$tagdata = $this->EE->TMPL->swap_var_single($key, $val, $tagdata);
				}

				/** ----------------------------------------
				/**  parse GMT comment date
				/** ----------------------------------------*/

				if (isset($gmt_comment_date[$key]) && isset($row['comment_date']))
				{
					foreach ($gmt_comment_date[$key] as $dvar)
					{
						$val = str_replace($dvar, $this->EE->localize->convert_timestamp($dvar, $row['comment_date'], FALSE), $val);
					}

					$tagdata = $this->EE->TMPL->swap_var_single($key, $val, $tagdata);
				}

				/** ----------------------------------------
				/**  parse "last edit" date
				/** ----------------------------------------*/

				if (isset($edit_date[$key]))
				{
					if (isset($row['edit_date']))
					{
						foreach ($edit_date[$key] as $dvar)
							$val = str_replace($dvar, $this->EE->localize->convert_timestamp($dvar, $this->EE->localize->timestamp_to_gmt($row['edit_date']), TRUE), $val);

						$tagdata = $this->EE->TMPL->swap_var_single($key, $val, $tagdata);
					}
				}


				/** ----------------------------------------
				/**  {member_search_path}
				/** ----------------------------------------*/

				if (strncmp($key, 'member_search_path', 18) == 0)
				{
					$tagdata = $this->EE->TMPL->swap_var_single($key, $search_link.$row['author_id'], $tagdata);
				}

				// Prep the URL
				if (isset($row['url']))
				{
					$this->EE->load->helper('url');
					$row['url'] = prep_url($row['url']);
				}

				/** ----------------------------------------
				/**  {username}
				/** ----------------------------------------*/
				if ($key == "username")
				{
					$tagdata = $this->EE->TMPL->swap_var_single($val, (isset($row['username'])) ? $row['username'] : '', $tagdata);
				}

				/** ----------------------------------------
				/**  {author}
				/** ----------------------------------------*/
				if ($key == "author")
				{
					$tagdata = $this->EE->TMPL->swap_var_single($val, (isset($row['name'])) ? $row['name'] : '', $tagdata);
				}

				/** ----------------------------------------
				/**  {url_or_email} - Uses Raw Email Address, Like Channel Module
				/** ----------------------------------------*/

				if ($key == "url_or_email" AND isset($row['url']))
				{
					$tagdata = $this->EE->TMPL->swap_var_single($val, ($row['url'] != '') ? $row['url'] : $row['email'], $tagdata);
				}


				/** ----------------------------------------
				/**  {url_as_author}
				/** ----------------------------------------*/
				if ($key == "url_as_author" AND isset($row['url']))
				{
					if ($row['url'] != '')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($val, "<a href=\"".$row['url']."\">".$row['name']."</a>", $tagdata);
					}
					else
					{
						$tagdata = $this->EE->TMPL->swap_var_single($val, $row['name'], $tagdata);
					}
				}

				/** ----------------------------------------
				/**  {url_or_email_as_author}
				/** ----------------------------------------*/

				if ($key == "url_or_email_as_author" AND isset($row['url']))
				{
					if ($row['url'] != '')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($val, "<a href=\"".$row['url']."\">".$row['name']."</a>", $tagdata);
					}
					else
					{
						if ($row['email'] != '')
						{
							$tagdata = $this->EE->TMPL->swap_var_single($val, $this->EE->typography->encode_email($row['email'], $row['name']), $tagdata);
						}
						else
						{
							$tagdata = $this->EE->TMPL->swap_var_single($val, $row['name'], $tagdata);
						}
					}
				}

				/** ----------------------------------------
				/**  {url_or_email_as_link}
				/** ----------------------------------------*/

				if ($key == "url_or_email_as_link" AND isset($row['url']))
				{
					if ($row['url'] != '')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($val, "<a href=\"".$row['url']."\">".$row['url']."</a>", $tagdata);
					}
					else
					{
						if ($row['email'] != '')
						{
							$tagdata = $this->EE->TMPL->swap_var_single($val, $this->EE->typography->encode_email($row['email']), $tagdata);
						}
						else
						{
							$tagdata = $this->EE->TMPL->swap_var_single($val, $row['name'], $tagdata);
						}
					}
				}

				/** ----------------------------------------
				/**  {comment_auto_path}
				/** ----------------------------------------*/

				if ($key == "comment_auto_path")
				{
					$path = ($row['comment_url'] == '') ? $row['channel_url'] : $row['comment_url'];

					$tagdata = $this->EE->TMPL->swap_var_single($key, $path, $tagdata);
				}

				/** ----------------------------------------
				/**  {comment_url_title_auto_path}
				/** ----------------------------------------*/

				if ($key == "comment_url_title_auto_path")
				{
					$path = ($row['comment_url'] == '') ? $row['channel_url'] : $row['comment_url'];

					$tagdata = $this->EE->TMPL->swap_var_single(
															$key,
															$path.'/'.$row['url_title'],
															$tagdata
														 );
				}

				/** ----------------------------------------
				/**  {comment_entry_id_auto_path}
				/** ----------------------------------------*/

				if ($key == "comment_entry_id_auto_path")
				{
					$path = ($row['comment_url'] == '') ? $row['channel_url'] : $row['comment_url'];

					$tagdata = $this->EE->TMPL->swap_var_single(
															$key,
															$path.'/'.$row['entry_id'],
															$tagdata
														 );
				}


				/** ----------------------------------------
				/**  parse comment_stripped field
				/** ----------------------------------------*/

				if ($key == "comment_stripped" AND isset($row['comment']))
				{

					$tagdata = $this->EE->TMPL->swap_var_single(
															$key,
															$this->EE->functions->encode_ee_tags($row['comment'], TRUE),
															$tagdata
														 );
				}

				/** ----------------------------------------
				/**  parse comment field
				/** ----------------------------------------*/

				if ($key == 'comment' AND isset($row['comment']))
				{
					// -------------------------------------------
					// 'comment_entries_comment_format' hook.
					//  - Play with the tagdata contents of the comment entries
					//
						if ($this->EE->extensions->active_hook('comment_entries_comment_format') === TRUE)
						{
							$comment = $this->EE->extensions->call('comment_entries_comment_format', $row);
				
							if ($this->EE->extensions->end_script === TRUE) return;
						}
						else
						{
							$comment = $this->EE->typography->parse_type( $row['comment'],
															array(
																	'text_format'	=> $row['comment_text_formatting'],
																	'html_format'	=> $row['comment_html_formatting'],
																	'auto_links'	=> $row['comment_auto_link_urls'],
																	'allow_img_url' => $row['comment_allow_img_urls']
																)
														);
						}

					$tagdata = $this->EE->TMPL->swap_var_single($key, $comment, $tagdata);
				}

				//  {location}

				if ($key == 'location' AND (isset($row['location']) OR isset($row['c_location'])))
				{
					$tagdata = $this->EE->TMPL->swap_var_single($key, (empty($row['location'])) ? $row['c_location'] : $row['location'], $tagdata);
				}


				/** ----------------------------------------
				/**  {signature}
				/** ----------------------------------------*/

				if ($key == "signature")
				{
					if ($this->EE->session->userdata('display_signatures') == 'n' OR  ! isset($row['signature']) OR $row['signature'] == '' OR $this->EE->session->userdata('display_signatures') == 'n')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, '', $tagdata);
					}
					else
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key,
														$this->EE->typography->parse_type($row['signature'], array(
																					'text_format'	=> 'xhtml',
																					'html_format'	=> 'safe',
																					'auto_links'	=> 'y',
																					'allow_img_url' => $this->EE->config->item('sig_allow_img_hotlink')
																				)
																			), $tagdata);
					}
				}


				if ($key == "signature_image_url")
				{
					if ($this->EE->session->userdata('display_signatures') == 'n' OR $row['sig_img_filename'] == ''  OR $this->EE->session->userdata('display_signatures') == 'n')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('signature_image_width', '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('signature_image_height', '', $tagdata);
					}
					else
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, $this->EE->config->slash_item('sig_img_url').$row['sig_img_filename'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('signature_image_width', $row['sig_img_width'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('signature_image_height', $row['sig_img_height'], $tagdata);
					}
				}

				if ($key == "avatar_url")
				{
					if ( ! isset($row['avatar_filename']))
						$row['avatar_filename'] = '';

					if ($this->EE->session->userdata('display_avatars') == 'n' OR $row['avatar_filename'] == ''  OR $this->EE->session->userdata('display_avatars') == 'n')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('avatar_image_width', '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('avatar_image_height', '', $tagdata);
					}
					else
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, $this->EE->config->slash_item('avatar_url').$row['avatar_filename'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('avatar_image_width', $row['avatar_width'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('avatar_image_height', $row['avatar_height'], $tagdata);
					}
				}

				if ($key == "photo_url")
				{
					if ( ! isset($row['photo_filename']))
						$row['photo_filename'] = '';

					if ($this->EE->session->userdata('display_photos') == 'n' OR $row['photo_filename'] == ''  OR $this->EE->session->userdata('display_photos') == 'n')
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('photo_image_width', '', $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('photo_image_height', '', $tagdata);
					}
					else
					{
						$tagdata = $this->EE->TMPL->swap_var_single($key, $this->EE->config->slash_item('photo_url').$row['photo_filename'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('photo_image_width', $row['photo_width'], $tagdata);
						$tagdata = $this->EE->TMPL->swap_var_single('photo_image_height', $row['photo_height'], $tagdata);
					}
				}


				/** ----------------------------------------
				/**  parse basic fields
				/** ----------------------------------------*/

				if (isset($row[$val]) && $val != 'member_id')
				{
					$tagdata = $this->EE->TMPL->swap_var_single($val, $row[$val], $tagdata);
				}

				/** ----------------------------------------
				/**  parse custom member fields
				/** ----------------------------------------*/

				if ( isset($mfields[$val]))
				{
					// Since comments do not necessarily require registration, and since
					// you are allowed to put custom member variables in comments,
					// we delete them if no such row exists

					$return_val = (isset($row['m_field_id_'.$mfields[$val]])) ? $row['m_field_id_'.$mfields[$val]] : '';

					$tagdata = $this->EE->TMPL->swap_var_single(
														$val,
														$return_val,
														$tagdata
													  );
				}

				/** ----------------------------------------
				/**  Clean up left over member variables
				/** ----------------------------------------*/

				if (in_array($val, $member_vars))
				{
					$tagdata = str_replace(LD.$val.RD, '', $tagdata);
				}
			}

			if ($this->show_anchor == TRUE)
			{
				$return .= "<a name=\"".$item_count."\"></a>\n";
			}

			$return .= $tagdata;

			$item_count++;
		}

		/** ----------------------------------------
		/**  Parse path variable
		/** ----------------------------------------*/

		$return = preg_replace_callback("/".LD."\s*path=(.+?)".RD."/", array(&$this->EE->functions, 'create_url'), $return);

		/** ----------------------------------------
		/**  Add pagination to result
		/** ----------------------------------------*/
		if ($paginate == TRUE)
		{
			$paginate_data = str_replace(LD.'current_page'.RD, 	$t_current_page, 	$paginate_data);
			$paginate_data = str_replace(LD.'total_pages'.RD,		$total_pages,  		$paginate_data);
			$paginate_data = str_replace(LD.'pagination_links'.RD,	$pagination_links,	$paginate_data);

			if (preg_match("/".LD."if previous_page".RD."(.+?)".LD.'\/'."if".RD."/s", $paginate_data, $match))
			{
				if ($page_previous == '')
				{
					 $paginate_data = preg_replace("/".LD."if previous_page".RD.".+?".LD.'\/'."if".RD."/s", '', $paginate_data);
				}
				else
				{
					$match['1'] = str_replace(array(LD.'path'.RD, LD.'auto_path'.RD), $page_previous, $match['1']);

					$paginate_data = str_replace($match['0'], $match['1'], $paginate_data);
				}
			}

			if (preg_match("/".LD."if next_page".RD."(.+?)".LD.'\/'."if".RD."/s", $paginate_data, $match))
			{
				if ($page_next == '')
				{
					 $paginate_data = preg_replace("/".LD."if next_page".RD.".+?".LD.'\/'."if".RD."/s", '', $paginate_data);
				}
				else
				{
					$match['1'] = str_replace(array(LD.'path'.RD, LD.'auto_path'.RD), $page_next, $match['1']);

					$paginate_data = str_replace($match['0'], $match['1'], $paginate_data);
				}
			}

			$position = ( ! $this->EE->TMPL->fetch_param('paginate')) ? '' : $this->EE->TMPL->fetch_param('paginate');

			switch ($position)
			{
				case "top"	: $return  = $paginate_data.$return;
					break;
				case "both"	: $return  = $paginate_data.$return.$paginate_data;
					break;
				default		: $return .= $paginate_data;
					break;
			}
		}

		return $return;
	}

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

	/**
	 * Comment Submission Form
	 *
	 * @access	public
	 * @return	string
	 */
	function form($return_form = FALSE, $captcha = '')
	{
		$qstring		 = $this->EE->uri->query_string;
		$entry_where	 = array();
		$halt_processing = FALSE;

		/** --------------------------------------
		/**  Remove page number
		/** --------------------------------------*/
		
		if (preg_match("#(^|/)P(\d+)(/|$)#", $qstring, $match))
		{
			$qstring = trim($this->EE->functions->remove_double_slashes(str_replace($match['0'], '/', $qstring)), '/');
		}		

		// Figure out the right entry ID
		// Order of precedence: POST, entry_id=, url_title=, $qstring
		if (isset($_POST['entry_id']))
		{
			$entry_where = array('entry_id' => $_POST['entry_id']);
		}
		elseif ($entry_id = $this->EE->TMPL->fetch_param('entry_id'))
		{
			$entry_where = array('entry_id' => $entry_id);
		}
		elseif ($url_title = $this->EE->TMPL->fetch_param('url_title'))
		{
			$entry_where = array('url_title' => $url_title);
		}
		else
		{
			// If there is a slash in the entry ID we'll kill everything after it.
			$entry_id = trim($qstring); 
			$entry_id = preg_replace("#/.+#", "", $entry_id);

			if ( ! is_numeric($entry_id))
			{
				$entry_where = array('url_title' => $entry_id);
			}
			else
			{
				$entry_where = array('entry_id' => $entry_id);
			}
		}
		

		/** ----------------------------------------
		/**  Are comments allowed?
		/** ----------------------------------------*/

		if ($channel = $this->EE->TMPL->fetch_param('channel'))
		{
			$this->EE->db->select('channel_id');
			$this->EE->functions->ar_andor_string($channel, 'channel_name');
			$this->EE->db->where_in('site_id', $this->EE->TMPL->site_ids);
			$query = $this->EE->db->get('channels');

			if ($query->num_rows() == 0)
			{
				return FALSE;
			}
			elseif ($query->num_rows() == 1)
			{
				$this->EE->db->where('channel_titles.channel_id', $query->row('channel_id'));
			}
			else
			{
				$ids = array();
				
				foreach ($query->result_array() as $row)
				{
					$ids[] = $row['channel_id'];
				}
				
				$this->EE->db->where_in('channel_titles.channel_id', $ids);
			}
		}

		// The where clauses above will affect this query - it's below the conditional
		// because AR cannot keep track of two queries at once

		$this->EE->db->select('channel_titles.entry_id, channel_titles.entry_date, channel_titles.comment_expiration_date, channel_titles.allow_comments, channels.comment_system_enabled, channels.comment_use_captcha, channels.comment_expiration');
		$this->EE->db->from(array('channel_titles', 'channels'));
		
		$this->EE->db->where_in('channel_titles.site_id', $this->EE->TMPL->site_ids);
		$this->EE->db->where('channel_titles.channel_id = '.$this->EE->db->dbprefix('channels').'.channel_id');
		
		if ($e_status = $this->EE->TMPL->fetch_param('entry_status'))
		{
			$e_status = str_replace('Open',	'open',	$e_status);
			$e_status = str_replace('Closed', 'closed', $e_status);

			$sql = $this->EE->functions->sql_andor_string($e_status, 'status');

			if (stristr($sql, "'closed'") === FALSE)
			{
				$sql .= " AND status != 'closed' ";
			}
			
			//  We need to drop the leading AND from the generated string 
			$sql = substr($sql, 4);

			
			$this->EE->db->where($sql, NULL, FALSE);
		}
		else
		{
			$this->EE->db->where('status !=', 'closed');
		}
		
		
		$this->EE->db->where($entry_where);
	
		$query = $this->EE->db->get();

		if ($query->num_rows() == 0)
		{
			return FALSE;
		}

		if ($query->row('allow_comments')  == 'n' OR $query->row('comment_system_enabled')  == 'n')
		{
			$halt_processing = 'disabled';
		}
		
		/** ----------------------------------------
		/**  Smart Notifications? Mark comments as read.
		/** ----------------------------------------*/
		
		if ($this->EE->session->userdata('smart_notifications') == 'y')
		{
			$this->EE->load->library('subscription');
			$this->EE->subscription->init('comment', array('entry_id' => $query->row('entry_id')), TRUE);
			$this->EE->subscription->mark_as_read();
		}

		/** ----------------------------------------
		/**  Return the "no cache" version of the form
		/** ----------------------------------------*/

		if ($return_form == FALSE)
		{
			if ($query->row('comment_use_captcha')  == 'n')
			{
				$this->EE->TMPL->tagdata = str_replace(LD.'captcha'.RD, '', $this->EE->TMPL->tagdata);
			}

			$nc = '';

			if (is_array($this->EE->TMPL->tagparams) AND count($this->EE->TMPL->tagparams) > 0)
			{
				foreach ($this->EE->TMPL->tagparams as $key => $val)
				{
					switch ($key)
					{
						case 'form_class':
							$nc .= 'class="'.$val.'" ';
							break;
						case 'form_id':
							$nc .= 'id="'.$val.'" ';
							break;
						default:
							$nc .= ' '.$key.'="'.$val.'" ';
					}
				}
			}
			
			return '{NOCACHE_COMMENT_FORM="'.$nc.'"}'.$this->EE->TMPL->tagdata.'{/NOCACHE_FORM}';
		}

		/** ----------------------------------------
		/**  Has commenting expired?
		/** ----------------------------------------*/

		$mode = ( ! isset($this->comment_expiration_mode)) ? 0 : $this->comment_expiration_mode;

		//  First check whether expiration is overriden
		if ($this->EE->config->item('comment_moderation_override') !== 'y')
		{
			if ($mode == 0)
			{
				if ($query->row('comment_expiration_date')  > 0)
				{
					if ($this->EE->localize->now > $query->row('comment_expiration_date') )
					{
						$halt_processing = 'expired';
					}
				}
			}
			else
			{
				if ($query->row('comment_expiration')  > 0)
				{
				 	$days = $query->row('entry_date')  + ($query->row('comment_expiration')  * 86400);

					if ($this->EE->localize->now > $days)
					{
						$halt_processing = 'expired';
					}
				}
			}
		}

		$tagdata = $this->EE->TMPL->tagdata;

		if ($halt_processing != FALSE)
		{
			foreach ($this->EE->TMPL->var_cond as $key => $val) 
			{
				if ($halt_processing == 'expired')
				{
					if (isset($val['3']) && $val['3'] == 'comments_expired')
					{
						return $val['2'];
					}					
				}
				elseif ($halt_processing == 'disabled')
				{
					if (isset($val['3']) && $val['3'] == 'comments_disabled')
					{
						return $val['2'];
					}					
				}
			}

			// If there is no conditional- just return the message
			$this->EE->lang->loadfile('comment');
			return $this->EE->lang->line('cmt_commenting_has_expired');				
		}


		// -------------------------------------------
		// 'comment_form_tagdata' hook.
		//  - Modify, add, etc. something to the comment form
		//
			if ($this->EE->extensions->active_hook('comment_form_tagdata') === TRUE)
			{
				$tagdata = $this->EE->extensions->call('comment_form_tagdata', $tagdata);
				if ($this->EE->extensions->end_script === TRUE) return;
			}
		//
		// -------------------------------------------

		/** ----------------------------------------
		/**  Conditionals
		/** ----------------------------------------*/

		$cond = array();
		$cond['logged_in']			= ($this->EE->session->userdata('member_id') == 0) ? 'FALSE' : 'TRUE';
		$cond['logged_out']			= ($this->EE->session->userdata('member_id') != 0) ? 'FALSE' : 'TRUE';

		if ($query->row('comment_use_captcha')  == 'n')
		{
			$cond['captcha'] = 'FALSE';
		}
		elseif ($query->row('comment_use_captcha')  == 'y')
		{
			$cond['captcha'] =  ($this->EE->config->item('captcha_require_members') == 'y'  OR
								($this->EE->config->item('captcha_require_members') == 'n' AND $this->EE->session->userdata('member_id') == 0)) ? 'TRUE' : 'FALSE';
		}

		$tagdata = $this->EE->functions->prep_conditionals($tagdata, $cond);

		/** ----------------------------------------
		/**  Single Variables
		/** ----------------------------------------*/

		// Load the form helper
		$this->EE->load->helper('form');

		foreach ($this->EE->TMPL->var_single as $key => $val)
		{
			/** ----------------------------------------
			/**  parse {nam…