/blog/wp-content/plugins/google-sitemap-generator/sitemap-core.php

<?php

/*

 

 $Id: sitemap-core.php 224413 2010-04-02 15:54:52Z arnee $



*/



//Enable for dev! Good code doesn't generate any notices...

//error_reporting(E_ALL);

//ini_set("display_errors",1);



/**

 * Represents the status (success and failures) of a building process

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0b5

 */

class GoogleSitemapGeneratorStatus {



	function GoogleSitemapGeneratorStatus() {

		$this->_startTime = $this->GetMicrotimeFloat();

		

		$exists = get_option("sm_status");

		

		if($exists === false) add_option("sm_status","","Status","no");

		

		$this->Save();

	}

	

	function Save() {

		update_option("sm_status",$this);

	}

	

	/**

	 * Returns the last saved status object or null

	 * 

	 * @return GoogleSitemapGeneratorStatus

	 */

	function &Load() {

		$status = @get_option("sm_status");

		if(is_a($status,"GoogleSitemapGeneratorStatus")) return $status;

		else return null;

	}

	

	/**

	 * @var float $_startTime The start time of the building process

	 * @access private

	 */

	var $_startTime = 0;

	

	/**

	 * @var float $_endTime The end time of the building process

	 * @access private

	 */

	var $_endTime = 0;

	

	/**

	 * @var bool $$_hasChanged Indicates if the sitemap content has changed

	 * @access private

	 */

	var $_hasChanged = true;

	

	/**

	 * @var int $_memoryUsage The amount of memory used in bytes

	 * @access private

	 */

	var $_memoryUsage = 0;

	

	/**

	 * @var int $_lastPost The number of posts processed. This value is updated every 50 posts.

	 * @access private

	 */

	var $_lastPost = 0;

	

	/**

	 * @var int $_lastTime The time when the last step-update occured. This value is updated every 50 posts.

	 * @access private

	 */

	var $_lastTime = 0;

	

	function End($hasChanged = true) {

		$this->_endTime = $this->GetMicrotimeFloat();

		

		$this->SetMemoryUsage();

		

		$this->_hasChanged = $hasChanged;

		

		$this->Save();

	}

	

	function SetMemoryUsage() {

		if(function_exists("memory_get_peak_usage")) {

			$this->_memoryUsage = memory_get_peak_usage(true);

		} else if(function_exists("memory_get_usage")) {

			$this->_memoryUsage =  memory_get_usage(true);

		}

	}

	

	function GetMemoryUsage() {

		return round($this->_memoryUsage / 1024 / 1024,2);

	}

	

	function SaveStep($postCount) {

		$this->SetMemoryUsage();

		$this->_lastPost = $postCount;

		$this->_lastTime = $this->GetMicrotimeFloat();

		

		$this->Save();

	}

	

	function GetTime() {

		return round($this->_endTime - $this->_startTime,2);

	}

	

	function GetStartTime() {

		return round($this->_startTime, 2);

	}

	

	function GetLastTime() {

		return round($this->_lastTime - $this->_startTime,2);

	}

	

	function GetLastPost() {

		return $this->_lastPost;

	}

	

	var $_usedXml = false;

	var $_xmlSuccess = false;

	var $_xmlPath = '';

	var $_xmlUrl = '';

	

	function StartXml($path,$url) {

		$this->_usedXml = true;

		$this->_xmlPath = $path;

		$this->_xmlUrl = $url;

		

		$this->Save();

	}

	

	function EndXml($success) {

		$this->_xmlSuccess = $success;

		

		$this->Save();

	}

	

	

	var $_usedZip = false;

	var $_zipSuccess = false;

	var $_zipPath = '';

	var $_zipUrl = '';

	

	function StartZip($path,$url) {

		$this->_usedZip = true;

		$this->_zipPath = $path;

		$this->_zipUrl = $url;

		

		$this->Save();

	}

	

	function EndZip($success) {

		$this->_zipSuccess = $success;

		

		$this->Save();

	}

	

	var $_usedGoogle = false;

	var $_googleUrl = '';

	var $_gooogleSuccess = false;

	var $_googleStartTime = 0;

	var $_googleEndTime = 0;

	

	function StartGooglePing($url) {

		$this->_googleUrl = $url;

		$this->_usedGoogle = true;

		$this->_googleStartTime = $this->GetMicrotimeFloat();

		

		$this->Save();

	}

	

	function EndGooglePing($success) {

		$this->_googleEndTime = $this->GetMicrotimeFloat();

		$this->_gooogleSuccess = $success;

		

		$this->Save();

	}

	

	function GetGoogleTime() {

		return round($this->_googleEndTime - $this->_googleStartTime,2);

	}

	

	var $_usedYahoo = false;

	var $_yahooUrl = '';

	var $_yahooSuccess = false;

	var $_yahooStartTime = 0;

	var $_yahooEndTime = 0;

	

	function StartYahooPing($url) {

		$this->_yahooUrl = $url;

		$this->_usedYahoo = true;

		$this->_yahooStartTime = $this->GetMicrotimeFloat();

		

		$this->Save();

	}

	

	function EndYahooPing($success) {

		$this->_yahooEndTime = $this->GetMicrotimeFloat();

		$this->_yahooSuccess = $success;

		

		$this->Save();

	}

	

	function GetYahooTime() {

		return round($this->_yahooEndTime - $this->_yahooStartTime,2);

	}

	

	var $_usedAsk = false;

	var $_askUrl = '';

	var $_askSuccess = false;

	var $_askStartTime = 0;

	var $_askEndTime = 0;

	

	function StartAskPing($url) {

		$this->_usedAsk = true;

		$this->_askUrl = $url;

		$this->_askStartTime = $this->GetMicrotimeFloat();

		

		$this->Save();

	}

	

	function EndAskPing($success) {

		$this->_askEndTime = $this->GetMicrotimeFloat();

		$this->_askSuccess = $success;

		

		$this->Save();

	}

	

	function GetAskTime() {

		return round($this->_askEndTime - $this->_askStartTime,2);

	}

	

	var $_usedMsn = false;

	var $_msnUrl = '';

	var $_msnSuccess = false;

	var $_msnStartTime = 0;

	var $_msnEndTime = 0;

	

	function StartMsnPing($url) {

		$this->_usedMsn = true;

		$this->_msnUrl = $url;

		$this->_msnStartTime = $this->GetMicrotimeFloat();

		

		$this->Save();

	}

	

	function EndMsnPing($success) {

		$this->_msnEndTime = $this->GetMicrotimeFloat();

		$this->_msnSuccess = $success;

		

		$this->Save();

	}

	

	function GetMsnTime() {

		return round($this->_msnEndTime - $this->_msnStartTime,2);

	}

	

	function GetMicrotimeFloat() {

		list($usec, $sec) = explode(" ", microtime());

		return ((float)$usec + (float)$sec);

	}

		}

		

/**

 * Represents an item in the page list

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPage {

	

	/**

	 * @var string $_url Sets the URL or the relative path to the blog dir of the page

	 * @access private

	 */

	var $_url;

	

	/**

	 * @var float $_priority Sets the priority of this page

	 * @access private

	 */

	var $_priority;

	

	/**

	 * @var string $_changeFreq Sets the chanfe frequency of the page. I want Enums!

	 * @access private

	 */

	var $_changeFreq;

	

	/**

	 * @var int $_lastMod Sets the lastMod date as a UNIX timestamp.

	 * @access private

	 */

	var $_lastMod;

	

	/**

	 * Initialize a new page object

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @param bool $enabled Should this page be included in thesitemap

	 * @param string $url The URL or path of the file

	 * @param float $priority The Priority of the page 0.0 to 1.0

	 * @param string $changeFreq The change frequency like daily, hourly, weekly

	 * @param int $lastMod The last mod date as a unix timestamp

	 */

	function GoogleSitemapGeneratorPage($url="",$priority=0.0,$changeFreq="never",$lastMod=0) {

		$this->SetUrl($url);

		$this->SetProprity($priority);

		$this->SetChangeFreq($changeFreq);

		$this->SetLastMod($lastMod);

	}

	

	/**

	 * Returns the URL of the page

	 *

	 * @return string The URL

	 */

	function GetUrl() {

		return $this->_url;

	}

	

	/**

	 * Sets the URL of the page

	 *

	 * @param string $url The new URL

	 */

	function SetUrl($url) {

		$this->_url=(string) $url;

	}

	

	/**

	 * Returns the priority of this page

	 *

	 * @return float the priority, from 0.0 to 1.0

	 */

	function GetPriority() {

		return $this->_priority;

	}

	

	/**

	 * Sets the priority of the page

	 *

	 * @param float $priority The new priority from 0.1 to 1.0

	 */

	function SetProprity($priority) {

		$this->_priority=floatval($priority);

	}

	

	/**

	 * Returns the change frequency of the page

	 *

	 * @return string The change frequncy like hourly, weekly, monthly etc.

	 */

	function GetChangeFreq() {

		return $this->_changeFreq;

	}

	

	/**

	 * Sets the change frequency of the page

	 *

	 * @param string $changeFreq The new change frequency

	 */

	function SetChangeFreq($changeFreq) {

		$this->_changeFreq=(string) $changeFreq;

	}

	

	/**

	 * Returns the last mod of the page

	 *

	 * @return int The lastmod value in seconds

	 */

	function GetLastMod() {

		return $this->_lastMod;

	}

	

	/**

	 * Sets the last mod of the page

	 *

	 * @param int $lastMod The lastmod of the page

	 */

	function SetLastMod($lastMod) {

		$this->_lastMod=intval($lastMod);

	}

	

	function Render() {

		

		if($this->_url == "/" || empty($this->_url)) return '';

		

		$r="";

		$r.= "\t<url>\n";

		$r.= "\t\t<loc>" . $this->EscapeXML($this->_url) . "</loc>\n";

		if($this->_lastMod>0) $r.= "\t\t<lastmod>" . date('Y-m-d\TH:i:s+00:00',$this->_lastMod) . "</lastmod>\n";

		if(!empty($this->_changeFreq)) $r.= "\t\t<changefreq>" . $this->_changeFreq . "</changefreq>\n";

		if($this->_priority!==false && $this->_priority!=="") $r.= "\t\t<priority>" . number_format($this->_priority,1) . "</priority>\n";

		$r.= "\t</url>\n";

		return $r;

	}

	

	function EscapeXML($string) {

		return str_replace ( array ( '&', '"', "'", '<', '>'), array ( '&amp;' , '&quot;', '&apos;' , '&lt;' , '&gt;'), $string);

	}

}



class GoogleSitemapGeneratorXmlEntry {

	

	var $_xml;

	

	function GoogleSitemapGeneratorXmlEntry($xml) {

		$this->_xml = $xml;

	}

	

	function Render() {

		return $this->_xml;

	}

}



class GoogleSitemapGeneratorDebugEntry extends GoogleSitemapGeneratorXmlEntry {

	

	function Render() {

		return "<!-- " . $this->_xml . " -->\n";

	}

}



/**

 * Base class for all priority providers

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPrioProviderBase {

	

	/**

	 * @var int $_totalComments The total number of comments of all posts

	 * @access protected

	 */

	var $_totalComments=0;

	

	/**

	 * @var int $_totalComments The total number of posts

	 * @access protected

	 */

	var $_totalPosts=0;

	

	/**

	 * Returns the (translated) name of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated name

	*/

	function GetName() {

		return "";

	}

	

	/**

	 * Returns the (translated) description of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated description

	*/

	function GetDescription() {

		return "";

	}

	

	/**

	 * Initializes a new priority provider

	 *

	 * @param $totalComments int The total number of comments of all posts

	 * @param $totalPosts int The total number of posts

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGeneratorPrioProviderBase($totalComments,$totalPosts) {

		$this->_totalComments=$totalComments;

		$this->_totalPosts=$totalPosts;

		

	}

	

	/**

	 * Returns the priority for a specified post

	 *

	 * @param $postID int The ID of the post

	 * @param $commentCount int The number of comments for this post

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return int The calculated priority

	*/

	function GetPostPriority($postID,$commentCount) {

		return 0;

	}

}



/**

 * Priority Provider which calculates the priority based on the number of comments

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPrioByCountProvider extends GoogleSitemapGeneratorPrioProviderBase {

	

	/**

	 * Returns the (translated) name of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated name

	*/

	function GetName() {

		return __("Comment Count",'sitemap');

	}

	

	/**

	 * Returns the (translated) description of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated description

	*/

	function GetDescription() {

		return __("Uses the number of comments of the post to calculate the priority",'sitemap');

	}

	

	/**

	 * Initializes a new priority provider which calculates the post priority based on the number of comments

	 *

	 * @param $totalComments int The total number of comments of all posts

	 * @param $totalPosts int The total number of posts

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGeneratorPrioByCountProvider($totalComments,$totalPosts) {

		parent::GoogleSitemapGeneratorPrioProviderBase($totalComments,$totalPosts);

	}

	

	/**

	 * Returns the priority for a specified post

	 *

	 * @param $postID int The ID of the post

	 * @param $commentCount int The number of comments for this post

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return int The calculated priority

	*/

	function GetPostPriority($postID,$commentCount) {

		$prio=0;

		if($this->_totalComments>0 && $commentCount>0) {

			$prio = round(($commentCount*100/$this->_totalComments)/100,1);

		} else {

			$prio = 0;

		}

		return $prio;

	}

}



/**

 * Priority Provider which calculates the priority based on the average number of comments

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPrioByAverageProvider extends GoogleSitemapGeneratorPrioProviderBase {

	

	/**

	 * @var int $_average The average number of comments per post

	 * @access protected

	 */

	var $_average=0.0;

	

	/**

	 * Returns the (translated) name of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated name

	*/

	function GetName() {

		return __("Comment Average",'sitemap');

	}

	

	/**

	 * Returns the (translated) description of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated description

	*/

	function GetDescription() {

		return __("Uses the average comment count to calculate the priority",'sitemap');

	}

	

	/**

	 * Initializes a new priority provider which calculates the post priority based on the average number of comments

	 *

	 * @param $totalComments int The total number of comments of all posts

	 * @param $totalPosts int The total number of posts

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGeneratorPrioByAverageProvider($totalComments,$totalPosts) {

		parent::GoogleSitemapGeneratorPrioProviderBase($totalComments,$totalPosts);

		

		if($this->_totalComments>0 && $this->_totalPosts>0) {

			$this->_average= (double) $this->_totalComments / $this->_totalPosts;

		}

	}

	

	/**

	 * Returns the priority for a specified post

	 *

	 * @param $postID int The ID of the post

	 * @param $commentCount int The number of comments for this post

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return int The calculated priority

	*/

	function GetPostPriority($postID,$commentCount) {

		$prio = 0;

		//Do not divide by zero!

		if($this->_average==0) {

			if($commentCount>0)	$prio = 1;

			else $prio = 0;

		} else {

			$prio = $commentCount/$this->_average;

			if($prio>1) $prio = 1;

			else if($prio<0) $prio = 0;

		}

		

		return round($prio,1);

	}

}



/**

 * Priority Provider which calculates the priority based on the popularity by the PopularityContest Plugin

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPrioByPopularityContestProvider extends GoogleSitemapGeneratorPrioProviderBase {

	

	/**

	 * Returns the (translated) name of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated name

	*/

	function GetName() {

		return __("Popularity Contest",'sitemap');

	}

	

	/**

	 * Returns the (translated) description of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated description

	*/

	function GetDescription() {

		return str_replace("%4","index.php?page=popularity-contest.php",str_replace("%3","options-general.php?page=popularity-contest.php",str_replace("%2","http://www.alexking.org/",str_replace("%1","http://www.alexking.org/index.php?content=software/wordpress/content.php",__("Uses the activated <a href=\"%1\">Popularity Contest Plugin</a> from <a href=\"%2\">Alex King</a>. See <a href=\"%3\">Settings</a> and <a href=\"%4\">Most Popular Posts</a>",'sitemap')))));

	}

	

	/**

	 * Initializes a new priority provider which calculates the post priority based on the popularity by the PopularityContest Plugin

	 *

	 * @param $totalComments int The total number of comments of all posts

	 * @param $totalPosts int The total number of posts

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGeneratorPrioByPopularityContestProvider($totalComments,$totalPosts) {

		parent::GoogleSitemapGeneratorPrioProviderBase($totalComments,$totalPosts);

	}

	

	/**

	 * Returns the priority for a specified post

	 *

	 * @param $postID int The ID of the post

	 * @param $commentCount int The number of comments for this post

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return int The calculated priority

	*/

	function GetPostPriority($postID,$commentCount) {

		//$akpc is the global instance of the Popularity Contest Plugin

		global $akpc,$posts;

		

		$res=0;

		//Better check if its there

		if(!empty($akpc) && is_object($akpc)) {

			//Is the method we rely on available?

		if(method_exists($akpc,"get_post_rank")) {

			if(!is_array($posts) || !$posts) $posts = array();

				if(!isset($posts[$postID])) $posts[$postID] = get_post($postID);

				//popresult comes as a percent value

				$popresult=$akpc->get_post_rank($postID);

				if(!empty($popresult) && strpos($popresult,"%")!==false) {

					//We need to parse it to get the priority as an int (percent)

					$matches=null;

					preg_match("/([0-9]{1,3})\%/si",$popresult,$matches);

					if(!empty($matches) && is_array($matches) && count($matches)==2) {

						//Divide it so 100% = 1, 10% = 0.1

						$res=round(intval($matches[1])/100,1);

					}

				}

			}

		}

		return $res;

	}

}



/**

 * Class to generate a sitemaps.org Sitemaps compliant sitemap of a WordPress blog.

 *

 * @package sitemap

 * @author Arne Brachhold

 * @since 3.0

*/

class GoogleSitemapGenerator {

	/**

	 * @var Version of the generator in SVN

	*/

	var $_svnVersion = '$Id: sitemap-core.php 224413 2010-04-02 15:54:52Z arnee $';

	

	/**

	 * @var array The unserialized array with the stored options

	 */

	var $_options = array();

	

	/**

	 * @var array The saved additional pages

	 */

	var $_pages = array();



	/**

	 * @var array The values and names of the change frequencies

	 */

	var $_freqNames = array();

	

	/**

	 * @var array A list of class names which my be called for priority calculation

	 */

	var $_prioProviders = array();

	

	/**

	 * @var bool True if init complete (options loaded etc)

	 */

	var $_initiated = false;

	

	/**

	 * @var string Holds the last error if one occurs when writing the files

	 */

	var $_lastError=null;

	

	/**

	 * @var int The last handled post ID

	 */

	var $_lastPostID = 0;

	

	/**

	 * @var bool Defines if the sitemap building process is active at the moment

	 */

	var $_isActive = false;

	

	/**

	 * @var bool Defines if the sitemap building process has been scheduled via Wp cron

	 */

	var $_isScheduled = false;



	/**

	 * @var object The file handle which is used to write the sitemap file

	 */

	var $_fileHandle = null;

	

	/**

	 * @var object The file handle which is used to write the zipped sitemap file

	 */

	var $_fileZipHandle = null;

	

	/**

	 * Holds the user interface object

	 * 

	 * @since 3.1.1

	 * @var GoogleSitemapGeneratorUI

	 */

	var $_ui = null;

	

	/**

	 * Returns the path to the blog directory

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return string The full path to the blog directory

	*/

	function GetHomePath() {

		

		$res="";

		//Check if we are in the admin area -> get_home_path() is avaiable

		if(function_exists("get_home_path")) {

			$res = get_home_path();

		} else {

			//get_home_path() is not available, but we can't include the admin

			//libraries because many plugins check for the "check_admin_referer"

			//function to detect if you are on an admin page. So we have to copy

			//the get_home_path function in our own...

			$home = get_option( 'home' );

			if ( $home != '' && $home != get_option( 'siteurl' ) ) {

				$home_path = parse_url( $home );

				$home_path = $home_path['path'];

				$root = str_replace( $_SERVER["PHP_SELF"], '', $_SERVER["SCRIPT_FILENAME"] );

				$home_path = trailingslashit( $root.$home_path );

			} else {

				$home_path = ABSPATH;

			}



			$res = $home_path;

		}

		return $res;

	}

	

	/**

	 * Returns the path to the directory where the plugin file is located

	 * @since 3.0b5

	 * @access private

	 * @author Arne Brachhold

	 * @return string The path to the plugin directory

	 */

	function GetPluginPath() {

		$path = dirname(__FILE__);

		return trailingslashit(str_replace("\\","/",$path));

	}

	

	/**

	 * Returns the URL to the directory where the plugin file is located

	 * @since 3.0b5

	 * @access private

	 * @author Arne Brachhold

	 * @return string The URL to the plugin directory

	 */

	function GetPluginUrl() {

		

		//Try to use WP API if possible, introduced in WP 2.6

		if (function_exists('plugins_url')) return trailingslashit(plugins_url(basename(dirname(__FILE__))));

		

		//Try to find manually... can't work if wp-content was renamed or is redirected

		$path = dirname(__FILE__);

		$path = str_replace("\\","/",$path);

		$path = trailingslashit(get_bloginfo('wpurl')) . trailingslashit(substr($path,strpos($path,"wp-content/")));

		return $path;

	}

	

	/**

	 * Returns the URL to default XSLT style if it exists

	 * @since 3.0b5

	 * @access private

	 * @author Arne Brachhold

	 * @return string The URL to the default stylesheet, empty string if not available.

	 */

	function GetDefaultStyle() {

		$p = $this->GetPluginPath();

		if(file_exists($p . "sitemap.xsl")) {

			$url = $this->GetPluginUrl();

			//If called over the admin area using HTTPS, the stylesheet would also be https url, even if the blog frontend is not.

			if(substr(get_bloginfo('url'),0,5) !="https" && substr($url,0,5)=="https") $url="http" . substr($url,5);

			return $url . 'sitemap.xsl';

		}

		return '';

	}

	

	/**

	 * Sets up the default configuration

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function InitOptions() {

		

		$this->_options=array();

		$this->_options["sm_b_prio_provider"]="GoogleSitemapGeneratorPrioByCountProvider";			//Provider for automatic priority calculation

		$this->_options["sm_b_filename"]="sitemap.xml";		//Name of the Sitemap file

		$this->_options["sm_b_debug"]=true;					//Write debug messages in the xml file

		$this->_options["sm_b_xml"]=true;					//Create a .xml file

		$this->_options["sm_b_gzip"]=true;					//Create a gzipped .xml file(.gz) file

		$this->_options["sm_b_ping"]=true;					//Auto ping Google

		$this->_options["sm_b_pingyahoo"]=false;			//Auto ping YAHOO

		$this->_options["sm_b_yahookey"]='';				//YAHOO Application Key

		$this->_options["sm_b_pingask"]=true;				//Auto ping Ask.com

		$this->_options["sm_b_pingmsn"]=true;				//Auto ping MSN

		$this->_options["sm_b_manual_enabled"]=false;		//Allow manual creation of the sitemap via GET request

		$this->_options["sm_b_auto_enabled"]=true;			//Rebuild sitemap when content is changed

		$this->_options["sm_b_auto_delay"]=true;			//Use WP Cron to execute the building process in the background

		$this->_options["sm_b_manual_key"]=md5(microtime());//The secret key to build the sitemap via GET request

		$this->_options["sm_b_memory"] = '';				//Set Memory Limit (e.g. 16M)

		$this->_options["sm_b_time"] = -1;					//Set time limit in seconds, 0 for unlimited, -1 for disabled

		$this->_options["sm_b_max_posts"] = -1;				//Maximum number of posts, <= 0 for all

		$this->_options["sm_b_safemode"] = false;			//Enable MySQL Safe Mode (doesn't use unbuffered results)

		$this->_options["sm_b_style_default"] = true;		//Use default style

		$this->_options["sm_b_style"] = '';					//Include a stylesheet in the XML

		$this->_options["sm_b_robots"] = true;				//Add sitemap location to WordPress' virtual robots.txt file

		$this->_options["sm_b_exclude"] = array();			//List of post / page IDs to exclude

		$this->_options["sm_b_exclude_cats"] = array();		//List of post / page IDs to exclude

		$this->_options["sm_b_location_mode"]="auto";		//Mode of location, auto or manual

		$this->_options["sm_b_filename_manual"]="";			//Manuel filename

		$this->_options["sm_b_fileurl_manual"]="";			//Manuel fileurl



		$this->_options["sm_in_home"]=true;					//Include homepage

		$this->_options["sm_in_posts"]=true;				//Include posts

		$this->_options["sm_in_posts_sub"]=false;			//Include post pages (<!--nextpage--> tag)

		$this->_options["sm_in_pages"]=true;				//Include static pages

		$this->_options["sm_in_cats"]=false;				//Include categories

		$this->_options["sm_in_arch"]=false;				//Include archives

		$this->_options["sm_in_auth"]=false;				//Include author pages

		$this->_options["sm_in_tags"]=false;				//Include tag pages

		$this->_options["sm_in_tax"]=array();				//Include additional taxonomies

		$this->_options["sm_in_lastmod"]=true;				//Include the last modification date



		$this->_options["sm_cf_home"]="daily";				//Change frequency of the homepage

		$this->_options["sm_cf_posts"]="monthly";			//Change frequency of posts

		$this->_options["sm_cf_pages"]="weekly";			//Change frequency of static pages

		$this->_options["sm_cf_cats"]="weekly";				//Change frequency of categories

		$this->_options["sm_cf_auth"]="weekly";				//Change frequency of author pages

		$this->_options["sm_cf_arch_curr"]="daily";			//Change frequency of the current archive (this month)

		$this->_options["sm_cf_arch_old"]="yearly";			//Change frequency of older archives

		$this->_options["sm_cf_tags"]="weekly";				//Change frequency of tags



		$this->_options["sm_pr_home"]=1.0;					//Priority of the homepage

		$this->_options["sm_pr_posts"]=0.6;					//Priority of posts (if auto prio is disabled)

		$this->_options["sm_pr_posts_min"]=0.2;				//Minimum Priority of posts, even if autocalc is enabled

		$this->_options["sm_pr_pages"]=0.6;					//Priority of static pages

		$this->_options["sm_pr_cats"]=0.3;					//Priority of categories

		$this->_options["sm_pr_arch"]=0.3;					//Priority of archives

		$this->_options["sm_pr_auth"]=0.3;					//Priority of author pages

		$this->_options["sm_pr_tags"]=0.3;					//Priority of tags

		

		$this->_options["sm_i_donated"]=false;				//Did you donate? Thank you! :)

		$this->_options["sm_i_hide_donated"]=false;			//And hide the thank you..

		$this->_options["sm_i_install_date"]=time();		//The installation date

		$this->_options["sm_i_hide_note"]=false;			//Hide the note which appears after 30 days

		$this->_options["sm_i_hide_works"]=false;			//Hide the "works?" message which appears after 15 days

		$this->_options["sm_i_hide_donors"]=false;			//Hide the list of donations

	}

	

	/**

	 * Loads the configuration from the database

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function LoadOptions() {

		

		$this->InitOptions();

		

		//First init default values, then overwrite it with stored values so we can add default

		//values with an update which get stored by the next edit.

		$storedoptions=get_option("sm_options");

		if($storedoptions && is_array($storedoptions)) {

			foreach($storedoptions AS $k=>$v) {

				$this->_options[$k]=$v;

			}

		} else update_option("sm_options",$this->_options); //First time use, store default values

	}

	

	/**

	 * Initializes a new Google Sitemap Generator

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGenerator() {





		

		

	}

	

	/**

	 * Returns the version of the generator

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return int The version

	*/

	function GetVersion() {

		return GoogleSitemapGeneratorLoader::GetVersion();

	}

	

	/**

	 * Returns all parent classes of a class

	 *

	 * @param $className string The name of the class

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return array An array which contains the names of the parent classes

	*/

	function GetParentClasses($classname) {

		$parent = get_parent_class($classname);

		$parents = array();

		if (!empty($parent)) {

			$parents = $this->GetParentClasses($parent);

			$parents[] = strtolower($parent);

		}

		return $parents;

	}

	

	/**

	 * Returns if a class is a subclass of another class

	 *

	 * @param $className string The name of the class

	 * @param $$parentName string The name of the parent class

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return bool true if the given class is a subclass of the other one

	*/

	function IsSubclassOf($className, $parentName) {

		

		$className = strtolower($className);

		$parentName = strtolower($parentName);

		

		if(empty($className) || empty($parentName) || !class_exists($className) || !class_exists($parentName)) return false;

		

		$parents=$this->GetParentClasses($className);

		

		return in_array($parentName,$parents);

	}

		

	/**

	 * Loads up the configuration and validates the prioity providers

	 *

	 * This method is only called if the sitemaps needs to be build or the admin page is displayed.

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function Initate() {

		if(!$this->_initiated) {

			

			//Loading language file...

			//load_plugin_textdomain('sitemap');

			//Hmm, doesn't work if the plugin file has its own directory.

			//Let's make it our way... load_plugin_textdomain() searches only in the wp-content/plugins dir.

			$currentLocale = get_locale();

			if(!empty($currentLocale)) {

				$moFile = dirname(__FILE__) . "/lang/sitemap-" . $currentLocale . ".mo";

				if(@file_exists($moFile) && is_readable($moFile)) load_textdomain('sitemap', $moFile);

			}

			

			$this->_freqNames = array(

				"always"=>__("Always","sitemap"),

				"hourly"=>__("Hourly","sitemap"),

				"daily"=>__("Daily","sitemap"),

				"weekly"=>__("Weekly","sitemap"),

				"monthly"=>__("Monthly","sitemap"),

				"yearly"=>__("Yearly","sitemap"),

				"never"=>__("Never","sitemap")

			);

			

			

			$this->LoadOptions();

			$this->LoadPages();

			

			//Register our own priority providers

			add_filter("sm_add_prio_provider",array(&$this, 'AddDefaultPrioProviders'));

			

			//Let other plugins register their providers

			$r = apply_filters("sm_add_prio_provider",$this->_prioProviders);

			

			//Check if no plugin return null

			if($r != null) $this->_prioProviders = $r;

				

			$this->ValidatePrioProviders();

			

			$this->_initiated = true;

		}

	}

	

	/**

	 * Returns the instance of the Sitemap Generator

	 *

	 * @since 3.0

	 * @access public

	 * @return GoogleSitemapGenerator The instance or null if not available.

	 * @author Arne Brachhold

	*/

	function &GetInstance() {

		if(isset($GLOBALS["sm_instance"])) {

			return $GLOBALS["sm_instance"];

		} else return null;

	}

	

	/**

	 * Returns if the sitemap building process is currently active

	 *

	 * @since 3.0

	 * @access public

	 * @return bool true if active

	 * @author Arne Brachhold

	*/

	function IsActive() {

		$inst = &GoogleSitemapGenerator::GetInstance();

		return ($inst != null && $inst->_isActive);

	}

	

	/**

	 * Returns if the compressed sitemap was activated

	 *

	 * @since 3.0b8

	 * @access private

	 * @author Arne Brachhold

	 * @return true if compressed

	 */

	function IsGzipEnabled() {

		return ($this->GetOption("b_gzip")===true && function_exists("gzwrite"));

	}



	/**

	 * Returns if this version of WordPress supports the new taxonomy system

	 *

	 * @since 3.0b8

	 * @access private

	 * @author Arne Brachhold

	 * @return true if supported

	 */

	function IsTaxonomySupported() {

		return (function_exists("get_taxonomy") && function_exists("get_terms"));

	}

	

	/**

	 * Returns the list of custom taxonies. These are basically all taxonomies without categories and post tags

	 * 

	 * @since 3.1.7

	 * @return array Array of names of user-defined taxonomies

	 */

	function GetCustomTaxonomies() {

		$taxonomies = get_object_taxonomies('post');

		return array_diff($taxonomies,array("category","post_tag"));

	}

	

	/**

	 * Enables the Google Sitemap Generator and registers the WordPress hooks

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function Enable() {

		if(!isset($GLOBALS["sm_instance"])) {

			$GLOBALS["sm_instance"]=new GoogleSitemapGenerator();

		}

	}

	

	/**

	 * Checks if sitemap building after content changed is enabled and rebuild the sitemap

	 *

	 * @param int $postID The ID of the post to handle. Used to avoid double rebuilding if more than one hook was fired.

	 * @param bool $external Added in 3.1.9. Skips checking of b_auto_enabled if set to true

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function CheckForAutoBuild($postID, $external = false) {

		global $wp_version;

		$this->Initate();

		//Build one time per post and if not importing.

		if((($this->GetOption("b_auto_enabled")===true && $this->_lastPostID != $postID) || $external) && (!defined('WP_IMPORTING') || WP_IMPORTING != true)) {

			

			//Build the sitemap directly or schedule it with WP cron

			if($this->GetOption("b_auto_delay")==true && floatval($wp_version) >= 2.1) {

				if(!$this->_isScheduled) {

					//Schedule in 15 seconds, this should be enough to catch all changes.

					//Clear all other existing hooks, so the sitemap is only built once.

					wp_clear_scheduled_hook('sm_build_cron');

					wp_schedule_single_event(time()+15,'sm_build_cron');

					$this->_isScheduled = true;

				}

			} else {

				//Build sitemap only once and never in bulk mode

				if(!$this->_lastPostID && (!isset($_GET["delete"]) || count((array) $_GET['delete'])<=0)) {

					$this->BuildSitemap();

				}

			}

			$this->_lastPostID = $postID;

		}

	}

	

	/**

	 * Builds the sitemap by external request, for example other plugins.

	 * 

	 * @since 3.1.9

	 * @return null

	 */

	function BuildNowRequest() {

		$this->CheckForAutoBuild(null, true);	

	}

	

	/**

	 * Checks if the rebuild request was send and starts to rebuilt the sitemap

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function CheckForManualBuild() {

		if(!empty($_GET["sm_command"]) && !empty($_GET["sm_key"])) {

			$this->Initate();

			if($this->GetOption("b_manual_enabled")===true && $_GET["sm_command"]=="build" && $_GET["sm_key"]==$this->GetOption("b_manual_key")) {

				$this->BuildSitemap();

				echo "DONE";

				exit;

			}

		}

	}



	/**

	 * Validates all given Priority Providers by checking them for required methods and existence

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function ValidatePrioProviders() {

		$validProviders=array();

		

		for($i=0; $i<count($this->_prioProviders); $i++) {

			if(class_exists($this->_prioProviders[$i])) {

				if($this->IsSubclassOf($this->_prioProviders[$i],"GoogleSitemapGeneratorPrioProviderBase")) {

					array_push($validProviders,$this->_prioProviders[$i]);

				}

			}

		}

		$this->_prioProviders=$validProviders;

		

		if(!$this->GetOption("b_prio_provider")) {

			if(!in_array($this->GetOption("b_prio_provider"),$this->_prioProviders,true)) {

				$this->SetOption("b_prio_provider","");

			}

		}

	}



	/**

	 * Adds the default Priority Providers to the provider list

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function AddDefaultPrioProviders($providers) {

		array_push($providers,"GoogleSitemapGeneratorPrioByCountProvider");

		array_push($providers,"GoogleSitemapGeneratorPrioByAverageProvider");

		if(class_exists("ak_popularity_contest")) {

			array_push($providers,"GoogleSitemapGeneratorPrioByPopularityContestProvider");

		}

		return $providers;

	}

	

	/**

	 * Loads the stored pages from the database

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	*/

	function LoadPages() {

		global $wpdb;

		

		$needsUpdate=false;

		

		$pagesString=$wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'sm_cpages'");

		

		//Class sm_page was renamed with 3.0 -> rename it in serialized value for compatibility

		if(!empty($pagesString) && strpos($pagesString,"sm_page")!==false) {

			$pagesString = str_replace("O:7:\"sm_page\"","O:26:\"GoogleSitemapGeneratorPage\"",$pagesString);

			$needsUpdate=true;

		}

		

		if(!empty($pagesString)) {

			$storedpages=unserialize($pagesString);

			$this->_pages=$storedpages;

		} else {

			$this->_pages=array();

		}

		

		if($needsUpdate) $this->SavePages();

	}

	

	/**

	 * Saved the additional pages back to the database

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return true on success

	*/

	function SavePages() {

		$oldvalue = get_option("sm_cpages");

		if($oldvalue == $this->_pages) {

			return true;

		} else {

			delete_option("sm_cpages");

			//Add the option, Note the autoload=false because when the autoload happens, our class GoogleSitemapGeneratorPage doesn't exist

			add_option("sm_cpages",$this->_pages,"Storage for custom pages of the sitemap plugin","no");

			return true;

		}

	}

	

	

	/**

	 * Returns the URL for the sitemap file

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param bool $forceAuto Force the return value to the autodetected value.

	 * @return The URL to the Sitemap file

	*/

	function GetXmlUrl($forceAuto=false) {

		

		if(!$forceAuto && $this->GetOption("b_location_mode")=="manual") {

			return $this->GetOption("b_fileurl_manual");

		} else {

			return trailingslashit(get_bloginfo('siteurl')). $this->GetOption("b_filename");

		}

	}



	/**

	 * Returns the URL for the gzipped sitemap file

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param bool $forceAuto Force the return value to the autodetected value.

	 * @return The URL to the gzipped Sitemap file

	*/

	function GetZipUrl($forceAuto=false) {

		return $this->GetXmlUrl($forceAuto) . ".gz";

	}

	

	/**

	 * Returns the file system path to the sitemap file

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param bool $forceAuto Force the return value to the autodetected value.

	 * @return The file system path;

	*/

	function GetXmlPath($forceAuto=false) {

		if(!$forceAuto && $this->GetOption("b_location_mode")=="manual") {

			return $this->GetOption("b_filename_manual");

		} else {

			return $this->GetHomePath()  . $this->GetOption("b_filename");

		}

	}

	

	/**

	 * Returns the file system path to the gzipped sitemap file

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param bool $forceAuto Force the return value to the autodetected value.

	 * @return The file system path;

	*/

	function GetZipPath($forceAuto=false) {

		return $this->GetXmlPath($forceAuto) . ".gz";

	}

	

	/**

	 * Returns the option value for the given key

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $key string The Configuration Key

	 * @return mixed The value

	 */

	function GetOption($key) {

		$key="sm_" . $key;

		if(array_key_exists($key,$this->_options)) {

			return $this->_options[$key];

		} else return null;

	}

	

	/**

	 * Sets an option to a new value

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $key string The configuration key

	 * @param $value mixed The new object

	 */

	function SetOption($key,$value) {

		if(strstr($key,"sm_")!==0) $key="sm_" . $key;

		

		$this->_options[$key]=$value;

	}

	

	/**

	 * Saves the options back to the database

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return bool true on success

	 */

	function SaveOptions() {

		$oldvalue = get_option("sm_options");

		if($oldvalue == $this->_options) {

			return true;

		} else return update_option("sm_options",$this->_options);

	}

	

	/**

	 * Retrieves the number of comments of a post in a asso. array

	 * The key is the postID, the value the number of comments

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @return array An array with postIDs and their comment count

	 */

	function GetComments() {

		global $wpdb;

		$comments=array();



		//Query comments and add them into the array

		$commentRes=$wpdb->get_results("SELECT `comment_post_ID` as `post_id`, COUNT(comment_ID) as `comment_count` FROM `" . $wpdb->comments . "` WHERE `comment_approved`='1' GROUP BY `comment_post_ID`");

		if($commentRes) {

			foreach($commentRes as $comment) {

				$comments[$comment->post_id]=$comment->comment_count;

			}

		}

		return $comments;

	}

	

	/**

	 * Calculates the full number of comments from an sm_getComments() generated array

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $comments array The Array with posts and c0mment count

	 * @see sm_getComments

	 * @return The full number of comments

	 */

	function GetCommentCount($comments) {

		$commentCount=0;

		foreach($comments AS $k=>$v) {

			$commentCount+=$v;

		}

		return $commentCount;

	}

	

	/**

	 * Adds a url to the sitemap. You can use this method or call AddElement directly.

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @param $loc string The location (url) of the page

	 * @param $lastMod int The last Modification time as a UNIX timestamp

	 * @param $changeFreq string The change frequenty of the page, Valid values are "always", "hourly", "daily", "weekly", "monthly", "yearly" and "never".

	 * @param $priorty float The priority of the page, between 0.0 and 1.0

	 * @see AddElement

	 * @return string The URL node

	 */

	function AddUrl($loc, $lastMod = 0, $changeFreq = "monthly", $priority = 0.5) {

		//Strip out the last modification time if activated

		if($this->GetOption('in_lastmod')===false) $lastMod = 0;

		$page = new GoogleSitemapGeneratorPage($loc, $priority, $changeFreq, $lastMod);

		

		$this->AddElement($page);

	}

	

	/**

	 * Adds an element to the sitemap

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $page The element

	 */

	function AddElement(&$page) {

		if(empty($page)) return;

		

		$s = $page->Render();

		

		if($this->_fileZipHandle && $this->IsGzipEnabled()) {

			gzwrite($this->_fileZipHandle,$s);

		}

		

		if($this->_fileHandle && $this->GetOption("b_xml")) {

			fwrite($this->_fileHandle,$s);

		}

	}

	

	/**

	 * Checks if a file is writable and tries to make it if not.

	 *

	 * @since 3.05b

	 * @access private

	 * @author  VJTD3 <http://www.VJTD3.com>

	 * @return bool true if writable

	 */

	function IsFileWritable($filename) {

		//can we write?

		if(!is_writable($filename)) {

			//no we can't.

			if(!@chmod($filename, 0666)) {

				$pathtofilename = dirname($filename);

				//Lets check if parent directory is writable.

				if(!is_writable($pathtofilename)) {

					//it's not writeable too.

					if(!@chmod($pathtoffilename, 0666)) {

						//darn couldn't fix up parrent directory this hosting is foobar.

						//Lets error because of the permissions problems.

						return false;

					}

				}

			}

		}

		//we can write, return 1/true/happy dance.

		return true;

	}

	

	/**

	 * Adds the sitemap to the virtual robots.txt file

	 * This function is executed by WordPress with the do_robots hook

	 * 

	 * @since 3.1.2

	 */

	function DoRobots() {

		$this->Initate();

		if($this->GetOption('b_robots') === true) {



			$smUrl = $this->GetXmlUrl();

			if($this->IsGzipEnabled()) {

				$smUrl = $this->GetZipUrl();

			}

			

			echo  "\nSitemap: " . $smUrl . "\n";

		}

	}

	

	/**

	 * Builds the sitemap and writes it into a xml file.

	 * 

	 * ATTENTION PLUGIN DEVELOPERS! DONT CALL THIS METHOD DIRECTLY!

	 * The method is probably not available, since it is only loaded when needed.

	 * Use do_action("sm_rebuild"); if you want to rebuild the sitemap.

	 * Please refer to the documentation.txt for more details.

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold <himself [at] arnebrachhold [dot] de>

	 * @return array An array with messages such as failed writes etc.

	 */

	function BuildSitemap() {

		global $wpdb, $posts, $wp_version;

		$this->Initate();

		

		if($this->GetOption("b_memory")!='') {

			@ini_set("memory_limit",$this->GetOption("b_memory"));

		}

		

		if($this->GetOption("b_time")!=-1) {

			@set_time_limit($this->GetOption("b_time"));

		}

		

		//This object saves the status information of the script directly to the database

		$status = new GoogleSitemapGeneratorStatus();

		

		//Other plugins can detect if the building process is active

		$this->_isActive = true;

		

		//$this->AddElement(new GoogleSitemapGeneratorXmlEntry());

		

		//Debug mode?

		$debug=$this->GetOption("b_debug");

		

		if($this->GetOption("b_xml")) {

			$fileName = $this->GetXmlPath();

			$status->StartXml($this->GetXmlPath(),$this->GetXmlUrl());

			

			if($this->IsFileWritable($fileName)) {

				

				$this->_fileHandle = fopen($fileName,"w");

				if(!$this->_fileHandle) $status->EndXml(false,"Not openable");

				

			} else $status->EndXml(false,"not writable");

		}

		

		//Write gzipped sitemap file

		if($this->IsGzipEnabled()) {

			$fileName = $this->GetZipPath();

			$status->StartZip($this->GetZipPath(),$this->GetZipUrl());

			

			if($this->IsFileWritable($fileName)) {

				

				$this->_fileZipHandle = gzopen($fileName,"w1");

				if(!$this->_fileZipHandle) $status->EndZip(false,"Not openable");

				

			} else $status->EndZip(false,"not writable");

		}

		

		if(!$this->_fileHandle && !$this->_fileZipHandle) {

			$status->End();

			return;

		}

		

		

		//Content of the XML file

		$this->AddElement(new GoogleSitemapGeneratorXmlEntry('<?xml version="1.0" encoding="UTF-8"' . '?' . '>'));

		

		$styleSheet = ($this->GetDefaultStyle() && $this->GetOption('b_style_default')===true?$this->GetDefaultStyle():$this->GetOption('b_style'));

		

		if(!empty($styleSheet)) {

			$this->AddElement(new GoogleSitemapGeneratorXmlEntry('<' . '?xml-stylesheet type="text/xsl" href="' . $styleSheet . '"?' . '>'));

		}

		

		$this->AddElement(new GoogleSitemapGeneratorDebugEntry("generator=\"wordpress/" . get_bloginfo('version') . "\""));

		$this->AddElement(new GoogleSitemapGeneratorDebugEntry("sitemap-generator-url=\"http://www.arnebrachhold.de\" sitemap-generator-version=\"" . $this->GetVersion() . "\""));

		$this->AddElement(new GoogleSitemapGeneratorDebugEntry("generated-on=\"" . date(get_option("date_format") . " " . get_option("time_format")) . "\""));

		

		//All comments as an asso. Array (postID=>commentCount)

		$comments=($this->GetOption("b_prio_provider")!=""?$this->GetComments():array());

		

		//Full number of comments

		$commentCount=(count($comments)>0?$this->GetCommentCount($comments):0);

		

		if($debug && $this->GetOption("b_prio_provider")!="") {

			$this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Total comment count: " . $commentCount));

		}

		

		//Go XML!

		$this->AddElement(new GoogleSitemapGeneratorXmlEntry('<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'));

		

		$home = get_bloginfo('url');

		

		$homePid = 0;

		

		//Add the home page (WITH a slash!)

		if($this->GetOption("in_home")) {

			if('page' == get_option('show_on_front') && get_option('page_on_front')) {

				$pageOnFront = get_option('page_on_front');

				$p = get_page($pageOnFront);

				if($p) {

					$homePid = $p->ID;

					$this->AddUrl(trailingslashit($home),$this->GetTimestampFromMySql(($p->post_modified_gmt && $p->post_modified_gmt!='0000-00-00 00:00:00'?$p->post_modified_gmt:$p->post_date_gmt)),$this->GetOption("cf_home"),$this->GetOption("pr_home"));

				}

			} else {

				$this->AddUrl(trailingslashit($home),$this->GetTimestampFromMySql(get_lastpostmodified('GMT')),$this->GetOption("cf_home"),$this->GetOption("pr_home"));

			}

		}

		

		//Add the posts

		if($this->GetOption("in_posts") || $this->GetOption("in_pages")) {

			

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Postings"));

		

			//Pre 2.1 compatibility. 2.1 introduced 'future' as post_status so we don't need to check post_date

			$wpCompat = (floatval($wp_version) < 2.1);

			

			$useQTransLate = false; //function_exists('qtrans_convertURL') && function_exists('qtrans_getEnabledLanguages'); Not really working yet

			

			$excludes = $this->GetOption('b_exclude'); //Excluded posts and pages (user enetered ID)

			

			$exclCats = $this->GetOption("b_exclude_cats"); // Excluded cats

			

			if($exclCats && count($exclCats)>0 && $this->IsTaxonomySupported()) {

				

				$excludedCatPosts = get_objects_in_term($exclCats,"category"); // Get all posts in excl. cats. Unforttunately this also gives us pages, revisions and so on...

				

				//Remove the pages, revisions etc from the exclude by category list, because they are always in the uncategorized one.

				if(count($excludedCatPosts)>0) {

					$exclPages = $wpdb->get_col("SELECT ID FROM `" . $wpdb->posts . "` WHERE post_type!='post' AND ID IN ('" . implode("','",$excludedCatPosts) . "')");

				

					$exclPages = array_map('intval', $exclPages);

					

					//Remove the pages from the exlusion list before

					if(count($exclPages)>0)	$excludedCatPosts = array_diff($excludedCatPosts, $exclPages);

					

					//Merge the category exclusion list with the users one

					if(count($excludedCatPosts)>0) $excludes = array_merge($excludes, $excludedCatPosts);

				}

			}

			

	

			$contentStmt = '';

			if($useQTransLate) {

				$contentStmt.=', post_content ';

			}

			

			$postPageStmt = '';

			

			$inSubPages = ($this->GetOption('in_posts_sub')===true);

			

			if($inSubPages && $this->GetOption('in_posts')===true) {

				$pageDivider='<!--nextpage-->';

				$postPageStmt = ", (character_length(`post_content`)  - character_length(REPLACE(`post_content`, '$pageDivider', ''))) / " . strlen($pageDivider) . " as postPages";

			}

			

			$sql="SELECT `ID`, `post_author`, `post_date`, `post_date_gmt`, `post_status`, `post_name`, `post_modified`, `post_modified_gmt`, `post_parent`, `post_type` $postPageStmt $contentStmt FROM `" . $wpdb->posts . "` WHERE ";

			

			$where = '(';

			

			if($this->GetOption('in_posts')) {

				//WP < 2.1: posts are post_status = publish

				//WP >= 2.1: post_type must be 'post', no date check required because future posts are post_status='future'

				if($wpCompat) $where.="(post_status = 'publish' AND post_date_gmt <= '" . gmdate('Y-m-d H:i:59') . "')";

				else $where.=" (post_status = 'publish' AND (post_type = 'post' OR post_type = '')) ";

			}

			

			if($this->GetOption('in_pages')) {

				if($this->GetOption('in_posts')) {

					$where.=" OR ";

				}

				if($wpCompat) {

					//WP < 2.1: posts have post_status = published, pages have post_status = static

					$where.=" post_status='static' ";

				} else {

					//WP >= 2.1: posts have post_type = 'post' and pages have post_type = 'page'. Both must be published.

					$where.=" (post_status = 'publish' AND post_type = 'page') ";

				}

			}

			

			$where.=") ";

			

			

			if(is_array($excludes) && count($excludes)>0) {

				$where.=" AND ID NOT IN ('" . implode("','",$excludes) . "')";

			}

			

			$where.=" AND post_password='' ORDER BY post_modified DESC";

			

			$sql .= $where;

			

			if($this->GetOption("b_max_posts")>0) {

				$sql.=" LIMIT 0," . $this->GetOption("b_max_posts");

			}



			$postCount = intval($wpdb->get_var("SELECT COUNT(*) AS cnt FROM `" . $wpdb->posts . "` WHERE ". $where,0,0));

										

			//Create a new connection because we are using mysql_unbuffered_query and don't want to disturb the WP connection

			//Safe Mode for other plugins which use mysql_query() without a connection handler and will destroy our resultset :(

			$con = $postRes = null;

			

			//In 2.2, a bug which prevented additional DB connections was fixed

			if(floatval($wp_version) < 2.2) {

				$this->SetOption("b_safemode",true);

			}

			

			if($this->GetOption("b_safemode")===true) {

				$postRes = mysql_query($sql,$wpdb->dbh);

				if(!$postRes) {

					trigger_error("MySQL query failed: " . mysql_error(),E_USER_NOTICE); //E_USER_NOTICE will be displayed on our debug mode

					return;

				}

			} else {

				$con = mysql_connect(DB_HOST,DB_USER,DB_PASSWORD,true);

				if(!$con) {

					trigger_error("MySQL Connection failed: " . mysql_error(),E_USER_NOTICE);

					return;

				}

				if(!mysql_select_db(DB_NAME,$con)) {

					trigger_error("MySQL DB Select failed: " . mysql_error(),E_USER_NOTICE);

					return;

				}

				$postRes = mysql_unbuffered_query($sql,$con);

				

				if(!$postRes) {

					trigger_error("MySQL unbuffered query failed: " . mysql_error(),E_USER_NOTICE);

					return;

				}

			}

			

			if($postRes) {

				

				//#type $prioProvider GoogleSitemapGeneratorPrioProviderBase

				$prioProvider=NULL;

				

				if($this->GetOption("b_prio_provider") != '') {

					$providerClass=$this->GetOption('b_prio_provider');

					$prioProvider = new $providerClass($commentCount,$postCount);

				}

				

				//$posts is used by Alex King's Popularity Contest plugin

				//if($posts == null || !is_array($posts)) {

				//	$posts = &$postRes;

				//}

				

				$z = 1;

				$zz = 1;

				

				//Default priorities

				$default_prio_posts = $this->GetOption('pr_posts');

				$default_prio_pages = $this->GetOption('pr_pages');

				

				//Change frequencies

				$cf_pages = $this->GetOption('cf_pages');

				$cf_posts = $this->GetOption('cf_posts');

				

				$minPrio=$this->GetOption('pr_posts_min');

				

			

				//Cycle through all posts and add them

				while($post = mysql_fetch_object($postRes)) {

				

					//Fill the cache with our DB result. Since it's incomplete (no text-content for example), we will clean it later.

					$cache = array(&$post);

					update_post_cache($cache);

					

					//Set the current working post for other plugins which depend on "the loop"

					$GLOBALS['post'] = &$post;

				

					$permalink = get_permalink($post->ID);

					if($permalink != $home && $post->ID != $homePid) {

								

						$isPage = false;

						if($wpCompat) {

							$isPage = ($post->post_status == 'static');

						} else {

							$isPage = ($post->post_type == 'page');

						}

						

					

						//Default Priority if auto calc is disabled

						$prio = 0;

							

						if($isPage) {

							//Priority for static pages

							$prio = $default_prio_pages;

						} else {

							//Priority for normal posts

							$prio = $default_prio_posts;

						}

						

						//If priority calc. is enabled, calculate (but only for posts, not pages)!

						if($prioProvider !== null && !$isPage) {



							//Comment count for this post

							$cmtcnt = (isset($comments[$post->ID])?$comments[$post->ID]:0);

							$prio = $prioProvider->GetPostPriority($post->ID, $cmtcnt, $post);



							if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry('Debug: Priority report of postID ' . $post->ID . ': Comments: ' . $cmtcnt . ' of ' . $commentCount . ' = ' . $prio . ' points'));

						}

						

						if(!$isPage && $minPrio>0 && $prio<$minPrio) {

							$prio = $minPrio;

						}

						

						//Add it

						$this->AddUrl($permalink,$this->GetTimestampFromMySql(($post->post_modified_gmt && $post->post_modified_gmt!='0000-00-00 00:00:00'?$post->post_modified_gmt:$post->post_date_gmt)),($isPage?$cf_pages:$cf_posts),$prio);

						

						if($inSubPages) {

							$subPage = '';

							for($p = 1; $p <= $post->postPages; $p++) {

								if(get_option('permalink_structure') == '') {

									$subPage = $permalink . '&amp;page=' . ($p+1);

								} else {

									$subPage = trailingslashit($permalink) . user_trailingslashit($p+1, 'single_paged');

								}



								$this->AddUrl($subPage,$this->GetTimestampFromMySql(($post->post_modified_gmt && $post->post_modified_gmt!='0000-00-00 00:00:00'?$post->post_modified_gmt:$post->post_date_gmt)),($isPage?$cf_pages:$cf_posts),$prio);

							}

						}

						

						// Multilingual Support with qTranslate, thanks to Qian Qin

						if($useQTransLate) {

							global $q_config;

							foreach(qtrans_getEnabledLanguages($post->post_content) as $language) {

								if($language!=$q_config['default_language']) {

									$this->AddUrl(qtrans_convertURL($permalink,$language),$this->GetTimestampFromMySql(($post->post_modified_gmt && $post->post_modified_gmt!='0000-00-00 00:00:00'?$post->post_modified_gmt:$post->post_date_gmt)),($isPage?$cf_pages:$cf_posts),$prio);

								}

							}

						}

					}

					

					//Update the status every 100 posts and at the end.

					//If the script breaks because of memory or time limit,

					//we have a "last reponded" value which can be compared to the server settings

					if($zz==100 || $z == $postCount) {

						$status->SaveStep($z);

						$zz=0;

					} else $zz++;

					

					$z++;

					

					//Clean cache because it's incomplete

					if(version_compare($wp_version,"2.5",">=")) {

						//WP 2.5 makes a mysql query for every clean_post_cache to clear the child cache

						//so I've copied the function here until a patch arrives...

						wp_cache_delete($post->ID, 'posts');

						wp_cache_delete($post->ID, 'post_meta');

						clean_object_term_cache($post->ID, 'post');

					} else {

						clean_post_cache($post->ID);

					}

				}

				unset($postRes);

				unset($prioProvider);

				

				if($this->GetOption("b_safemode")!==true && $con) mysql_close($con);

			}

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Postings"));

		}

		

		//Add the cats

		if($this->GetOption("in_cats")) {

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Cats"));

			

			$exclCats = $this->GetOption("b_exclude_cats"); // Excluded cats

			if($exclCats == null) $exclCats=array();

						

			if(!$this->IsTaxonomySupported()) {

			

				$catsRes=$wpdb->get_results("

							SELECT

								c.cat_ID AS ID,

								MAX(p.post_modified_gmt) AS last_mod

							FROM

								`" . $wpdb->categories . "` c,

								`" . $wpdb->post2cat . "` pc,

								`" . $wpdb->posts . "` p

							WHERE

								pc.category_id = c.cat_ID

								AND p.ID = pc.post_id

								AND p.post_status = 'publish'

								AND p.post_type='post'

							GROUP

								BY c.cat_id

							");

				if($catsRes) {

					foreach($catsRes as $cat) {

						if($cat && $cat->ID && $cat->ID>0 && !in_array($cat->ID, $exclCats)) {

							if($debug) if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Cat-ID:" . $cat->ID));

							$this->AddUrl(get_category_link($cat->ID),$this->GetTimestampFromMySql($cat->last_mod),$this->GetOption("cf_cats"),$this->GetOption("pr_cats"));

						}

					}

				}

			} else {

				$cats = get_terms("category",array("hide_empty"=>true,"hierarchical"=>false));

				if($cats && is_array($cats) && count($cats)>0) {

					foreach($cats AS $cat) {

						if(!in_array($cat->term_id, $exclCats)) $this->AddUrl(get_category_link($cat->term_id),0,$this->GetOption("cf_cats"),$this->GetOption("pr_cats"));

					}

				}

			}

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Cats"));

		}

		

		//Add the archives

		if($this->GetOption("in_arch")) {

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Archive"));

			$now = current_time('mysql');



			//WP2.1 introduced post_status='future', for earlier WP versions we need to check the post_date_gmt

			$arcresults = $wpdb->get_results("

						SELECT DISTINCT

							YEAR(post_date_gmt) AS `year`,

							MONTH(post_date_gmt) AS `month`,

							MAX(post_date_gmt) as last_mod,

							count(ID) as posts

						FROM

							$wpdb->posts

						WHERE

							post_date < '$now'

							AND post_status = 'publish'

							AND post_type = 'post'

							" . (floatval($wp_version) < 2.1?"AND {$wpdb->posts}.post_date_gmt <= '" . gmdate('Y-m-d H:i:59') . "'":"") . "

						GROUP BY

							YEAR(post_date_gmt),

							MONTH(post_date_gmt)

						ORDER BY

							post_date_gmt DESC");

			if ($arcresults) {

				foreach ($arcresults as $arcresult) {

					

					$url  = get_month_link($arcresult->year,   $arcresult->month);

					$changeFreq="";

					

					//Archive is the current one

					if($arcresult->month==date("n") && $arcresult->year==date("Y")) {

						$changeFreq=$this->GetOption("cf_arch_curr");

					} else { // Archive is older

						$changeFreq=$this->GetOption("cf_arch_old");

					}

					

					$this->AddUrl($url,$this->GetTimestampFromMySql($arcresult->last_mod),$changeFreq,$this->GetOption("pr_arch"));

				}

			}

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Archive"));

		}

		

		//Add the author pages

		if($this->GetOption("in_auth")) {

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Author pages"));

			

			$linkFunc = null;

			

			//get_author_link is deprecated in WP 2.1, try to use get_author_posts_url first.

			if(function_exists('get_author_posts_url')) {

				$linkFunc = 'get_author_posts_url';

			} else if(function_exists('get_author_link')) {

				$linkFunc = 'get_author_link';

			}

			

			//Who knows what happens in later WP versions, so check again if it worked

			if($linkFunc !== null) {

			    //Unfortunately there is no API function to get all authors, so we have to do it the dirty way...

				//We retrieve only users with published and not password protected posts (and not pages)

				//WP2.1 introduced post_status='future', for earlier WP versions we need to check the post_date_gmt

				$sql = "SELECT DISTINCT

							p.ID,

							u.user_nicename,

							MAX(p.post_modified_gmt) AS last_post

						FROM

							{$wpdb->users} u,

							{$wpdb->posts} p

						WHERE

							p.post_author = u.ID

							AND p.post_status = 'publish'

							AND p.post_type = 'post'

							AND p.post_password = ''

							" . (floatval($wp_version) < 2.1?"AND p.post_date_gmt <= '" . gmdate('Y-m-d H:i:59') . "'":"") . "

						GROUP BY

							u.ID,

							u.user_nicename";

							

				$authors = $wpdb->get_results($sql);

				

				if($authors && is_array($authors)) {

					foreach($authors as $author) {

						if($debug) if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Author-ID:" . $author->ID));

						$url = ($linkFunc=='get_author_posts_url'?get_author_posts_url($author->ID,$author->user_nicename):get_author_link(false,$author->ID,$author->user_nicename));

						$this->AddUrl($url,$this->GetTimestampFromMySql($author->last_post),$this->GetOption("cf_auth"),$this->GetOption("pr_auth"));

					}

				}

			} else {

				//Too bad, no author pages for you :(

				if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: No valid author link function found"));

			}

	

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Author pages"));

		}

		

		//Add tag pages

		if($this->GetOption("in_tags") && $this->IsTaxonomySupported()) {

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Tags"));

			$tags = get_terms("post_tag",array("hide_empty"=>true,"hierarchical"=>false));

			if($tags && is_array($tags) && count($tags)>0) {

				foreach($tags AS $tag) {

					$this->AddUrl(get_tag_link($tag->term_id),0,$this->GetOption("cf_tags"),$this->GetOption("pr_tags"));

				}

			}

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Tags"));

		}

		

		//Add custom taxonomy pages

		if($this->GetOption("in_tax") && $this->IsTaxonomySupported()) {

			

			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start custom taxonomies"));

			

			$enabledTaxonomies = $this->GetOption("in_tax");

			

			$taxList = array();

			

			foreach ($enabledTaxonomies as $taxName) {

				$taxonomy = get_taxonomy($taxName);

				if($taxonomy) $taxList[] = $wpdb->escape($taxonomy->name);

			}

			

			if(count($taxList)>0) {

				//We're selecting all term information (t.*) plus some additional fields

				//like the last mod date and the taxonomy name, so WP doesnt need to make

				//additional queries to build the permalink structure.

				//This does NOT work for categories and tags yet, because WP uses get_category_link

				//and get_tag_link internally and that would cause one additional query per term!

				$sql="

					SELECT

						t.*,

						tt.taxonomy AS _taxonomy,

						UNIX_TIMESTAMP(MAX(post_date_gmt)) as _mod_date

					FROM

						{$wpdb->posts} p ,

						{$wpdb->term_relationships} r,

						{$wpdb->terms} t,

						{$wpdb->term_taxonomy} tt

					WHERE

						p.ID = r.object_id

						AND p.post_status = 'publish'

						AND p.post_type = 'post'

						AND p.post_password = ''

						AND r.term_taxonomy_id = t.term_id

						AND t.term_id = tt.term_id

						AND tt.count > 0

						AND tt.taxonomy IN ('" . implode("','",$taxList) . "')

					GROUP BY

						t.term_id";

						

				$termInfo = $wpdb->get_results($sql);

				

				foreach($termInfo AS $term) {

					$this->AddUrl(get_term_link($term,$term->_taxonomy),$term->_mod_date ,$this->GetOption("cf_tags"),$this->GetOption("pr_tags"));

				}

			}



			if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End custom taxonomies"));

		}

		

		//Add the custom pages

		if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start Custom Pages"));

		if($this->_pages && is_array($this->_pages) && count($this->_pages)>0) {

			//#type $page GoogleSitemapGeneratorPage

			foreach($this->_pages AS $page) {

				$this->AddUrl($page->GetUrl(),$page->getLastMod(),$page->getChangeFreq(),$page->getPriority());

			}

		}

		

		if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End Custom Pages"));

		

		if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: Start additional URLs"));

		

		do_action('sm_buildmap');

		

		if($debug) $this->AddElement(new GoogleSitemapGeneratorDebugEntry("Debug: End additional URLs"));

		

		$this->AddElement(new GoogleSitemapGeneratorXmlEntry("</urlset>"));

		



		$pingUrl='';

		

		if($this->GetOption("b_xml")) {

			if($this->_fileHandle && fclose($this->_fileHandle)) {

				$this->_fileHandle = null;

				$status->EndXml(true);

				$pingUrl=$this->GetXmlUrl();

			} else $status->EndXml(false,"Could not close the sitemap file.");

		}

		

		if($this->IsGzipEnabled()) {

			if($this->_fileZipHandle && fclose($this->_fileZipHandle)) {

				$this->_fileZipHandle = null;

				$status->EndZip(true);

				$pingUrl=$this->GetZipUrl();

			} else $status->EndZip(false,"Could not close the zipped sitemap file");

		}

		

		//Ping Google

		if($this->GetOption("b_ping") && !empty($pingUrl)) {

			$sPingUrl="http://www.google.com/webmasters/sitemaps/ping?sitemap=" . urlencode($pingUrl);

			$status->StartGooglePing($sPingUrl);

			$pingres=$this->RemoteOpen($sPingUrl);

									  

			if($pingres==NULL || $pingres===false) {

				$status->EndGooglePing(false,$this->_lastError);

				trigger_error("Failed to ping Google: " . htmlspecialchars(strip_tags($pingres)),E_USER_NOTICE);

			} else {

				$status->EndGooglePing(true);

			}

		}

				

		//Ping Ask.com

		if($this->GetOption("b_pingask") && !empty($pingUrl)) {

			$sPingUrl="http://submissions.ask.com/ping?sitemap=" . urlencode($pingUrl);

			$status->StartAskPing($sPingUrl);

			$pingres=$this->RemoteOpen($sPingUrl);

									  

			if($pingres==NULL || $pingres===false || strpos($pingres,"successfully received and added")===false) { //Ask.com returns 200 OK even if there was an error, so we need to check the content.

				$status->EndAskPing(false,$this->_lastError);

				trigger_error("Failed to ping Ask.com: " . htmlspecialchars(strip_tags($pingres)),E_USER_NOTICE);

			} else {

				$status->EndAskPing(true);

			}

		}

		

		//Ping YAHOO

		if($this->GetOption("b_pingyahoo")===true && $this->GetOption("b_yahookey")!="" && !empty($pingUrl)) {

			$sPingUrl="http://search.yahooapis.com/SiteExplorerService/V1/updateNotification?appid=" . $this->GetOption("b_yahookey") . "&url=" . urlencode($pingUrl);

			$status->StartYahooPing($sPingUrl);

			$pingres=$this->RemoteOpen($sPingUrl);



			if($pingres==NULL || $pingres===false || strpos(strtolower($pingres),"success")===false) {

				trigger_error("Failed to ping YAHOO: " . htmlspecialchars(strip_tags($pingres)),E_USER_NOTICE);

				$status->EndYahooPing(false,$this->_lastError);

			} else {

				$status->EndYahooPing(true);

			}

		}

		

		//Ping Bing

		if($this->GetOption("b_pingmsn") && !empty($pingUrl)) {

			$sPingUrl="http://www.bing.com/webmaster/ping.aspx?siteMap=" . urlencode($pingUrl);

			$status->StartMsnPing($sPingUrl);

			$pingres=$this->RemoteOpen($sPingUrl);

									  

			if($pingres==NULL || $pingres===false || strpos($pingres,"Thanks for submitting your sitemap")===false) {

				trigger_error("Failed to ping Bing: " . htmlspecialchars(strip_tags($pingres)),E_USER_NOTICE);

				$status->EndMsnPing(false,$this->_lastError);

			} else {

				$status->EndMsnPing(true);

			}

		}

	

		$status->End();

		

		

		$this->_isActive = false;

	

		//done...

		return $status;

	}

	

	/**

	 * Tries to ping a specific service showing as much as debug output as possible

	 * @since 3.1.9

	 * @return null

	 */

	function ShowPingResult() {

		

		check_admin_referer('sitemap');

		

		if(!current_user_can("administrator")) {

			echo '<p>Please log in as admin</p>';

			return;

		}

		

		$service = !empty($_GET["sm_ping_service"])?$_GET["sm_ping_service"]:null;

		

		$status = &GoogleSitemapGeneratorStatus::Load();

		

		if(!$status) die("No build status yet. Build the sitemap first.");

		

		$url = null;



		switch($service) {

			case "google":

				$url = $status->_googleUrl;

				break;

			case "yahoo":

				$url = $status->_yahooUrl;

				break;

			case "msn":

				$url = $status->_msnUrl;

				break;

			case "ask":

				$url = $status->_askUrl;

				break;			

		}

		

		if(empty($url)) die("Invalid ping url");

		

		echo '<html><head><title>Ping Test</title>';

		if(function_exists('wp_admin_css')) wp_admin_css('css/global',true);

		echo '</head><body><h1>Ping Test</h1>';

				

		echo '<p>Trying to ping: <a href="' . $url . '">' . $url . '</a>. The sections below should give you an idea whats going on.</p>';

		

		//Try to get as much as debug / error output as possible

		$errLevel = error_reporting(E_ALL);

		$errDisplay = ini_set("display_errors",1);

		if(!defined('WP_DEBUG')) define('WP_DEBUG',true);

		

		echo '<h2>Errors, Warnings, Notices:</h2>';

		

		if(WP_DEBUG == false) echo "<i>WP_DEBUG was set to false somewhere before. You might not see all debug information until you remove this declaration!</i><br />";

		if(ini_get("display_errors")!=1) echo "<i>Your display_errors setting currently prevents the plugin from showing errors here. Please check your webserver logfile instead.</i><br />";

		

		$res = $this->RemoteOpen($url);

		

		echo '<h2>Result (text only):</h2>';



		echo wp_kses($res,array('a' => array('href' => array()),'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array()));

		

		echo '<h2>Result (HTML):</h2>';

		

		echo htmlspecialchars($res);



		//Revert back old values

		error_reporting($errLevel);

		ini_set("display_errors",$errDisplay);

		echo '</body></html>';

		exit;

	}

	

	/**

	 * Opens a remote file using the WordPress API or Snoopy

	 * @since 3.0

	 * @param $url The URL to open

	 * @param $method get or post

	 * @param $postData An array with key=>value paris

	 * @param $timeout Timeout for the request, by default 10

	 * @return mixed False on error, the body of the response on success

	 */

	function RemoteOpen($url,$method = 'get', $postData = null, $timeout = 10) {

		global $wp_version;

		

		//Before WP 2.7, wp_remote_fopen was quite crappy so Snoopy was favoured.

		if(floatval($wp_version) < 2.7) {

			if(!file_exists(ABSPATH . 'wp-includes/class-snoopy.php')) {

				trigger_error('Snoopy Web Request failed: Snoopy not found.',E_USER_NOTICE);

				return false; //Hoah?

			}

			

			require_once( ABSPATH . 'wp-includes/class-snoopy.php');

			

			$s = new Snoopy();

			

			$s->read_timeout = $timeout;

			

			if($method == 'get') {

				$s->fetch($url);

			} else {

				$s->submit($url,$postData);

			}

			

			if($s->status != "200") {

				trigger_error('Snoopy Web Request failed: Status: ' . $s->status . "; Content: " . htmlspecialchars($s->results),E_USER_NOTICE);

			}

			

			return $s->results;

	

		} else {

			

			$options = array();

			$options['timeout'] = $timeout;

			

			if($method == 'get') {

				$response = wp_remote_get( $url, $options );

			} else {

				$response = wp_remote_post($url, array_merge($options,array('body'=>$postData)));

			}

			

			if ( is_wp_error( $response ) ) {

				$errs = $response->get_error_messages();

				$errs = htmlspecialchars(implode('; ', $errs));

				trigger_error('WP HTTP API Web Request failed: ' . $errs,E_USER_NOTICE);

				return false;

			}

		

			return $response['body'];

		}

		

		return false;

	}

	

	/**

	 * Echos option fields for an select field containing the valid change frequencies

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $currentVal The value which should be selected

	 * @return all valid change frequencies as html option fields

	 */

	function HtmlGetFreqNames($currentVal) {

				

		foreach($this->_freqNames AS $k=>$v) {

			echo "<option value=\"$k\" " . $this->HtmlGetSelected($k,$currentVal) .">" . $v . "</option>";

		}

	}

	

	/**

	 * Echos option fields for an select field containing the valid priorities (0- 1.0)

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $currentVal string The value which should be selected

	 * @return 0.0 - 1.0 as html option fields

	 */

	function HtmlGetPriorityValues($currentVal) {

		$currentVal=(float) $currentVal;

		for($i=0.0; $i<=1.0; $i+=0.1) {

			$v = number_format($i,1,".","");

			//number_format_i18n is there since WP 2.3

			$t = function_exists('number_format_i18n')?number_format_i18n($i,1):number_format($i,1);

			echo "<option value=\"" . $v . "\" " . $this->HtmlGetSelected("$i","$currentVal") .">";

			echo $t;

			echo "</option>";

		}

	}

	

	/**

	 * Returns the checked attribute if the given values match

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $val string The current value

	 * @param $equals string The value to match

	 * @return The checked attribute if the given values match, an empty string if not

	 */

	function HtmlGetChecked($val,$equals) {

		if($val==$equals) return $this->HtmlGetAttribute("checked");

		else return "";

	}

	

	/**

	 * Returns the selected attribute if the given values match

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $val string The current value

	 * @param $equals string The value to match

	 * @return The selected attribute if the given values match, an empty string if not

	 */

	function HtmlGetSelected($val,$equals) {

		if($val==$equals) return $this->HtmlGetAttribute("selected");

		else return "";

	}

	

	/**

	 * Returns an formatted attribute. If the value is NULL, the name will be used.

	 *

	 * @since 3.0

	 * @access private

	 * @author Arne Brachhold

	 * @param $attr string The attribute name

	 * @param $value string The attribute value

	 * @return The formatted attribute

	 */

	function HtmlGetAttribute($attr,$value=NULL) {

		if($value==NULL) $value=$attr;

		return " " . $attr . "=\"" . $value . "\" ";

	}

	

	/**

	 * Returns an array with GoogleSitemapGeneratorPage objects which is generated from POST values

	 *

	 * @since 3.0

	 * @see GoogleSitemapGeneratorPage

	 * @access private

	 * @author Arne Brachhold

	 * @return array An array with GoogleSitemapGeneratorPage objects

	 */

	function HtmlApplyPages() {

		// Array with all page URLs

		$pages_ur=(!isset($_POST["sm_pages_ur"]) || !is_array($_POST["sm_pages_ur"])?array():$_POST["sm_pages_ur"]);

		

		//Array with all priorities

		$pages_pr=(!isset($_POST["sm_pages_pr"]) || !is_array($_POST["sm_pages_pr"])?array():$_POST["sm_pages_pr"]);

		

		//Array with all change frequencies

		$pages_cf=(!isset($_POST["sm_pages_cf"]) || !is_array($_POST["sm_pages_cf"])?array():$_POST["sm_pages_cf"]);

		

		//Array with all lastmods

		$pages_lm=(!isset($_POST["sm_pages_lm"]) || !is_array($_POST["sm_pages_lm"])?array():$_POST["sm_pages_lm"]);



		//Array where the new pages are stored

		$pages=array();

		//Loop through all defined pages and set their properties into an object

		if(isset($_POST["sm_pages_mark"]) && is_array($_POST["sm_pages_mark"])) {

			for($i=0; $i<count($_POST["sm_pages_mark"]); $i++) {

				//Create new object

				$p=new GoogleSitemapGeneratorPage();

				if(substr($pages_ur[$i],0,4)=="www.") $pages_ur[$i]="http://" . $pages_ur[$i];

				$p->SetUrl($pages_ur[$i]);

				$p->SetProprity($pages_pr[$i]);

				$p->SetChangeFreq($pages_cf[$i]);

				//Try to parse last modified, if -1 (note ===) automatic will be used (0)

				$lm=(!empty($pages_lm[$i])?strtotime($pages_lm[$i],time()):-1);

				if($lm===-1) $p->setLastMod(0);

				else $p->setLastMod($lm);

				//Add it to the array

				array_push($pages,$p);

			}

		}



		return $pages;

	}

	

	/**

	 * Converts a mysql datetime value into a unix timestamp

	 * 

	 * @param The value in the mysql datetime format

	 * @return int The time in seconds

	 */

	function GetTimestampFromMySql($mysqlDateTime) {

		list($date, $hours) = split(' ', $mysqlDateTime);

		list($year,$month,$day) = split('-',$date);

		list($hour,$min,$sec) = split(':',$hours);

		return mktime(intval($hour), intval($min), intval($sec), intval($month), intval($day), intval($year));

	}

	

	/**

	 * Returns a link pointing to a spcific page of the authors website

	 * 

	 * @since 3.0

	 * @param The page to link to

	 * @return string The full url

	 */

	function GetRedirectLink($redir) {

		return trailingslashit("http://www.arnebrachhold.de/redir/" . $redir);

	}

	

	/**

	 * Returns a link pointing back to the plugin page in WordPress

	 * 

	 * @since 3.0

	 * @return string The full url

	 */

	function GetBackLink() {

		global $wp_version;

		$url = '';

		//admin_url was added in WP 2.6.0

		if(function_exists("admin_url")) $url = admin_url("options-general.php?page=" .  GoogleSitemapGeneratorLoader::GetBaseName());

		else $url = $_SERVER['PHP_SELF'] . "?page=" .  GoogleSitemapGeneratorLoader::GetBaseName();

		

		//Some browser cache the page... great! So lets add some no caching params depending on the WP and plugin version

		$url.='&sm_wpv=' . $wp_version . '&sm_pv=' . GoogleSitemapGeneratorLoader::GetVersion();

		

		return $url;

	}

	

	/**

	 * Shows the option page of the plugin. Before 3.1.1, this function was basically the UI, afterwards the UI was outsourced to another class

	 * 

	 * @see GoogleSitemapGeneratorUI

	 * @since 3.0

	 * @return bool

	 */

	function HtmlShowOptionsPage() {

		

		$ui = $this->GetUI();

		if($ui) {

			$ui->HtmlShowOptionsPage();

			return true;

		}

		

		return false;

	}

	

	/**

	 * Includes the user interface class and intializes it

	 * 

	 * @since 3.1.1

	 * @see GoogleSitemapGeneratorUI

	 * @return GoogleSitemapGeneratorUI

	 */

	function GetUI() {



		global $wp_version;

		

		if($this->_ui === null) {

			

			$className='GoogleSitemapGeneratorUI';

			$fileName='sitemap-ui.php';



			if(!class_exists($className)) {

				

				$path = trailingslashit(dirname(__FILE__));

				

				if(!file_exists( $path . $fileName)) return false;

				require_once($path. $fileName);

			}

	

			$this->_ui = new $className($this);

			

		}

		

		return $this->_ui;

	}

	

	function HtmlShowHelp() {

		

		

	}

}