/**
 * WordPress Translation API
 *
 * @package WordPress
 * @subpackage i18n
 */

/**
 * get_locale() - Gets the current locale
 *
 * If the locale is set, then it will filter the locale
 * in the 'locale' filter hook and return the value.
 *
 * If the locale is not set already, then the WPLANG
 * constant is used if it is defined. Then it is filtered
 * through the 'locale' filter hook and the value for the
 * locale global set and the locale is returned.
 *
 * The process to get the locale should only be done once
 * but the locale will always be filtered using the
 * 'locale' hook.
 *
 * @since 1.5.0
 * @uses apply_filters() Calls 'locale' hook on locale value
 * @uses $locale Gets the locale stored in the global
 *
 * @return string The locale of the blog or from the 'locale' hook
 */
function get_locale() {
	global $locale;

	if (isset($locale))
		return apply_filters( 'locale', $locale );

	// WPLANG is defined in wp-config.
	if (defined('WPLANG'))
		$locale = WPLANG;

	if (empty($locale))
		$locale = '';

	$locale = apply_filters('locale', $locale);

	return $locale;
}

/**
 * translate() - Retrieve the translated text
 *
 * If the domain is set in the $l10n global, then the text is run
 * through the domain's translate method. After it is passed to
 * the 'gettext' filter hook, along with the untranslated text as
 * the second parameter.
 *
 * If the domain is not set, the $text is just returned.
 *
 * @since 2.2.0
 * @uses $l10n Gets list of domain translated string (gettext_reader) objects
 * @uses apply_filters() Calls 'gettext' on domain translated text
 *		with the untranslated text as second parameter
 *
 * @param string $text Text to translate
 * @param string $domain Domain to retrieve the translated text
 * @return string Translated text
 */
function translate($text, $domain = 'default') {
	global $l10n;

	if (isset($l10n[$domain]))
		return apply_filters('gettext', $l10n[$domain]->translate($text), $text);
	else
		return $text;
}

/**
 * translate_with_context() - Retrieve the translated text and strip context
 *
 * If the domain is set in the $l10n global, then the text is run
 * through the domain's translate method. After it is passed to
 * the 'gettext' filter hook, along with the untranslated text as
 * the second parameter.
 *
 * If the domain is not set, the $text is just returned.
 *
 * @since 2.5
 * @uses translate()
 *
 * @param string $text Text to translate
 * @param string $domain Domain to retrieve the translated text
 * @return string Translated text
 */
function translate_with_context($text, $domain = 'default') {
	$whole = translate($text, $domain);
	$last_bar = strrpos($whole, '|');
	if ( false == $last_bar ) {
		return $whole;
	} else {
		return substr($whole, 0, $last_bar);
	}
}

/**
 * __() - Retrieve a translated string
 *
 * __() is a convenience function which retrieves the translated
 * string from the translate().
 *
 * @see translate() An alias of translate()
 * @since 2.1.0
 *
 * @param string $text Text to translate
 * @param string $domain Optional. Domain to retrieve the translated text
 * @return string Translated text
 */
function __($text, $domain = 'default') {
	return translate($text, $domain);
}

// .
/**
 * _e() - Display a translated string
 *
 * _e() is a convenience function which displays the returned
 * translated text from translate().
 *
 * @see translate() Echos returned translate() string
 * @since 1.2.0
 *
 * @param string $text Text to translate
 * @param string $domain Optional. Domain to retrieve the translated text
 */
function _e($text, $domain = 'default') {
	echo translate($text, $domain);
}

/**
 * _c() - Retrieve context translated string
 *
 * Quite a few times, there will be collisions with similar
 * translatable text found in more than two places but with
 * different translated context.
 *
 * In order to use the separate contexts, the _c() function
 * is used and the translatable string uses a pipe ('|')
 * which has the context the string is in.
 *
 * When the translated string is returned, it is everything
 * before the pipe, not including the pipe character. If
 * there is no pipe in the translated text then everything
 * is returned.
 *
 * @since 2.2.0
 *
 * @param string $text Text to translate
 * @param string $domain Optional. Domain to retrieve the translated text
 * @return string Translated context string without pipe
 */
function _c($text, $domain = 'default') {
	return translate_with_context($text, $domain);
}

/**
 * __ngettext() - Retrieve the plural or single form based on the amount
 *
 * If the domain is not set in the $l10n list, then a comparsion
 * will be made and either $plural or $single parameters returned.
 *
 * If the domain does exist, then the parameters $single, $plural,
 * and $number will first be passed to the domain's ngettext method.
 * Then it will be passed to the 'ngettext' filter hook along with
 * the same parameters. The expected type will be a string.
 *
 * @since 1.2.0
 * @uses $l10n Gets list of domain translated string (gettext_reader) objects
 * @uses apply_filters() Calls 'ngettext' hook on domains text returned,
 *		along with $single, $plural, and $number parameters. Expected to return string.
 *
 * @param string $single The text that will be used if $number is 1
 * @param string $plural The text that will be used if $number is not 1
 * @param int $number The number to compare against to use either $single or $plural
 * @param string $domain Optional. The domain identifier the text should be retrieved in
 * @return string Either $single or $plural translated text
 */
function __ngettext($single, $plural, $number, $domain = 'default') {
	global $l10n;

	if (isset($l10n[$domain])) {
		return apply_filters('ngettext', $l10n[$domain]->ngettext($single, $plural, $number), $single, $plural, $number);
	} else {
		if ($number != 1)
			return $plural;
		else
			return $single;
	}
}

/**
 * __ngettext_noop() - register plural strings in POT file, but don't translate them
 *
 * Used when you want do keep structures with translatable plural strings and
 * use them later.
 *
 * Example:
 *  $messages = array(
 *  	'post' => ngettext_noop('%s post', '%s posts'),
 *  	'page' => ngettext_noop('%s pages', '%s pages')
 *  );
 *  ...
 *  $message = $messages[$type];
 *  $usable_text = sprintf(__ngettext($message[0], $message[1], $count), $count);
 *
 * @since 2.5
 * @param $single Single form to be i18ned
 * @param $plural Plural form to be i18ned
 * @param $number Not used, here for compatibility with __ngettext, optional
 * @param $domain Not used, here for compatibility with __ngettext, optional
 * @return array array($single, $plural)
 */
function __ngettext_noop($single, $plural, $number=1, $domain = 'default') {
	return array($single, $plural);
}

/**
 * load_textdomain() - Loads MO file into the list of domains
 *
 * If the domain already exists, the inclusion will fail. If the
 * MO file is not readable, the inclusion will fail.
 *
 * On success, the mofile will be placed in the $l10n global by
 * $domain and will be an gettext_reader object.
 *
 * @since 1.5.0
 * @uses $l10n Gets list of domain translated string (gettext_reader) objects
 * @uses CacheFileReader Reads the MO file
 * @uses gettext_reader Allows for retrieving translated strings
 *
 * @param string $domain Unique identifier for retrieving translated strings
 * @param string $mofile Path to the .mo file
 * @return null On failure returns null and also on success returns nothing.
 */
function load_textdomain($domain, $mofile) {
	global $l10n;

	if (isset($l10n[$domain]))
		return;

	if ( is_readable($mofile))
		$input = new CachedFileReader($mofile);
	else
		return;

	$l10n[$domain] = new gettext_reader($input);
}

/**
 * load_default_textdomain() - Loads default translated strings based on locale
 *
 * Loads the .mo file in LANGDIR constant path from WordPress root.
 * The translated (.mo) file is named based off of the locale.
 *
 * @since 1.5.0
 */
function load_default_textdomain() {
	$locale = get_locale();
	if ( empty($locale) )
		$locale = 'en_US';

	$mofile = ABSPATH . LANGDIR . "/$locale.mo";

	load_textdomain('default', $mofile);
}

/**
 * load_plugin_textdomain() - Loads the plugin's translated strings
 *
 * If the path is not given then it will be the root of the plugin
 * directory. The .mo file should be named based on the domain with a
 * dash followed by a dash, and then the locale exactly.
 *
 * The plugin may place all of the .mo files in another folder and set
 * the $path based on the relative location from ABSPATH constant. The
 * plugin may use the constant PLUGINDIR and/or plugin_basename() to
 * get path of the plugin and then add the folder which holds the .mo
 * files.
 *
 * @since 1.5.0
 *
 * @param string $domain Unique identifier for retrieving translated strings
 * @param string $path Optional. Path of the folder where the .mo files reside.
 */
function load_plugin_textdomain($domain, $path = false) {
	$locale = get_locale();
	if ( empty($locale) )
		$locale = 'en_US';

	if ( false === $path )
		$path = PLUGINDIR;

	$mofile = ABSPATH . "$path/$domain-$locale.mo";
	load_textdomain($domain, $mofile);
}

/**
 * load_theme_textdomain() - Includes theme's translated strings for the theme
 *
 * If the current locale exists as a .mo file in the theme's root directory, it
 * will be included in the translated strings by the $domain.
 *
 * The .mo files must be named based on the locale exactly.
 *
 * @since 1.5.0
 *
 * @param string $domain Unique identifier for retrieving translated strings
 */
function load_theme_textdomain($domain) {
	$locale = get_locale();
	if ( empty($locale) )
		$locale = 'en_US';

	$mofile = get_template_directory() . "/$locale.mo";
	load_textdomain($domain, $mofile);
}

?>

/*
 * The Big Query.
 */

function get_query_var($var) {
	global $wp_query;

	return $wp_query->get($var);
}

function set_query_var($var, $value) {
	global $wp_query;

	return $wp_query->set($var, $value);
}

function &query_posts($query) {
	unset($GLOBALS['wp_query']);
	$GLOBALS['wp_query'] =& new WP_Query();
	return $GLOBALS['wp_query']->query($query);
}

function wp_reset_query() {
	unset($GLOBALS['wp_query']);
	$GLOBALS['wp_query'] =& $GLOBALS['wp_the_query'];
	global $wp_query;
	if ( !empty($wp_query->post) ) {
		$GLOBALS['post'] = $wp_query->post;
		setup_postdata($wp_query->post);
	}
}

/*
 * Query type checks.
 */

function is_admin () {
	if ( defined('WP_ADMIN') )
		return WP_ADMIN;
	return false;
}

function is_archive () {
	global $wp_query;

	return $wp_query->is_archive;
}

function is_attachment () {
	global $wp_query;

	return $wp_query->is_attachment;
}

function is_author ($author = '') {
	global $wp_query;

	if ( !$wp_query->is_author )
		return false;

	if ( empty($author) )
		return true;

	$author_obj = $wp_query->get_queried_object();

	$author = (array) $author;

	if ( in_array( $author_obj->ID, $author ) )
		return true;
	elseif ( in_array( $author_obj->nickname, $author ) )
		return true;
	elseif ( in_array( $author_obj->user_nicename, $author ) )
		return true;

	return false;
}

function is_category ($category = '') {
	global $wp_query;

	if ( !$wp_query->is_category )
		return false;

	if ( empty($category) )
		return true;

	$cat_obj = $wp_query->get_queried_object();

	$category = (array) $category;

	if ( in_array( $cat_obj->term_id, $category ) )
		return true;
	elseif ( in_array( $cat_obj->name, $category ) )
		return true;
	elseif ( in_array( $cat_obj->slug, $category ) )
		return true;

	return false;
}

function is_tag( $slug = '' ) {
	global $wp_query;

	if ( !$wp_query->is_tag )
		return false;

	if ( empty( $slug ) )
		return true;

	$tag_obj = $wp_query->get_queried_object();

	$slug = (array) $slug;

	if ( in_array( $tag_obj->slug, $slug ) )
		return true;

	return false;
}

function is_tax( $slug = '' ) {
	global $wp_query;
	
	if ( !$wp_query->is_tax )
		return false;

	if ( empty($slug) )
		return true;

	$term = $wp_query->get_queried_object();

	$slug = (array) $slug;

	if ( in_array( $term->slug, $slug ) )
		return true;

	return false;
}

function is_comments_popup () {
	global $wp_query;

	return $wp_query->is_comments_popup;
}

function is_date () {
	global $wp_query;

	return $wp_query->is_date;
}

function is_day () {
	global $wp_query;

	return $wp_query->is_day;
}

function is_feed () {
	global $wp_query;

	return $wp_query->is_feed;
}

/**
 * is_front_page() - Is it the front of the site, whether blog view or a WP Page?
 *
 * @since 2.5
 * @uses is_home
 * @uses get_option
 *
 * @return bool True if front of site
 */
function is_front_page () {
	// most likely case
	if ( 'posts' == get_option('show_on_front') && is_home() )
		return true;
	elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') && is_page(get_option('page_on_front')) )
		return true;
	else
		return false;
}

/**
 * is_home() - Is it the blog view homepage?
 *
 * @since 2.1
 * @global object $wp_query
 *
 * @return bool True if blog view homepage
 */
function is_home () {
	global $wp_query;

	return $wp_query->is_home;
}

function is_month () {
	global $wp_query;

	return $wp_query->is_month;
}

function is_page ($page = '') {
	global $wp_query;

	if ( !$wp_query->is_page )
		return false;

	if ( empty($page) )
		return true;

	$page_obj = $wp_query->get_queried_object();

	$page = (array) $page;

    if ( in_array( $page_obj->ID, $page ) )
		return true;
	elseif ( in_array( $page_obj->post_title, $page ) )
		return true;
	else if ( in_array( $page_obj->post_name, $page ) )
		return true;

	return false;
}

function is_paged () {
	global $wp_query;

	return $wp_query->is_paged;
}

function is_plugin_page() {
	global $plugin_page;

	if ( isset($plugin_page) )
		return true;

	return false;
}

function is_preview() {
	global $wp_query;

	return $wp_query->is_preview;
}

function is_robots() {
	global $wp_query;

	return $wp_query->is_robots;
}

function is_search () {
	global $wp_query;

	return $wp_query->is_search;
}

function is_single ($post = '') {
	global $wp_query;

	if ( !$wp_query->is_single )
		return false;

	if ( empty( $post) )
		return true;

	$post_obj = $wp_query->get_queried_object();

	$post = (array) $post;

	if ( in_array( $post_obj->ID, $post ) )
		return true;
	elseif ( in_array( $post_obj->post_title, $post ) )
		return true;
	elseif ( in_array( $post_obj->post_name, $post ) )
		return true;

	return false;
}

function is_singular() {
	global $wp_query;

	return $wp_query->is_singular;
}

function is_time () {
	global $wp_query;

	return $wp_query->is_time;
}

function is_trackback () {
	global $wp_query;

	return $wp_query->is_trackback;
}

function is_year () {
	global $wp_query;

	return $wp_query->is_year;
}

function is_404 () {
	global $wp_query;

	return $wp_query->is_404;
}

/*
 * The Loop.  Post loop control.
 */

function have_posts() {
	global $wp_query;

	return $wp_query->have_posts();
}

function in_the_loop() {
	global $wp_query;

	return $wp_query->in_the_loop;
}

function rewind_posts() {
	global $wp_query;

	return $wp_query->rewind_posts();
}

function the_post() {
	global $wp_query;

	$wp_query->the_post();
}

/*
 * Comments loop.
 */

function have_comments() {
	global $wp_query;
	return $wp_query->have_comments();
}

function the_comment() {
	global $wp_query;
	return $wp_query->the_comment();
}

/*
 * WP_Query
 */

class WP_Query {
	var $query;
	var $query_vars = array();
	var $queried_object;
	var $queried_object_id;
	var $request;

	var $posts;
	var $post_count = 0;
	var $current_post = -1;
	var $in_the_loop = false;
	var $post;

	var $comments;
	var $comment_count = 0;
	var $current_comment = -1;
	var $comment;

	var $found_posts = 0;
	var $max_num_pages = 0;

	var $is_single = false;
	var $is_preview = false;
	var $is_page = false;
	var $is_archive = false;
	var $is_date = false;
	var $is_year = false;
	var $is_month = false;
	var $is_day = false;
	var $is_time = false;
	var $is_author = false;
	var $is_category = false;
	var $is_tag = false;
	var $is_tax = false;
	var $is_search = false;
	var $is_feed = false;
	var $is_comment_feed = false;
	var $is_trackback = false;
	var $is_home = false;
	var $is_404 = false;
	var $is_comments_popup = false;
	var $is_admin = false;
	var $is_attachment = false;
	var $is_singular = false;
	var $is_robots = false;
	var $is_posts_page = false;

	function init_query_flags() {
		$this->is_single = false;
		$this->is_page = false;
		$this->is_archive = false;
		$this->is_date = false;
		$this->is_year = false;
		$this->is_month = false;
		$this->is_day = false;
		$this->is_time = false;
		$this->is_author = false;
		$this->is_category = false;
		$this->is_tag = false;
		$this->is_tax = false;
		$this->is_search = false;
		$this->is_feed = false;
		$this->is_comment_feed = false;
		$this->is_trackback = false;
		$this->is_home = false;
		$this->is_404 = false;
		$this->is_paged = false;
		$this->is_admin = false;
		$this->is_attachment = false;
		$this->is_singular = false;
		$this->is_robots = false;
		$this->is_posts_page = false;
	}

	function init () {
		unset($this->posts);
		unset($this->query);
		$this->query_vars = array();
		unset($this->queried_object);
		unset($this->queried_object_id);
		$this->post_count = 0;
		$this->current_post = -1;
		$this->in_the_loop = false;

		$this->init_query_flags();
	}

	// Reparse the query vars.
	function parse_query_vars() {
		$this->parse_query('');
	}

	function fill_query_vars($array) {
		$keys = array(
			'error'
			, 'm'
			, 'p'
			, 'subpost'
			, 'subpost_id'
			, 'attachment'
			, 'attachment_id'
			, 'name'
			, 'hour'
			, 'static'
			, 'pagename'
			, 'page_id'
			, 'second'
			, 'minute'
			, 'hour'
			, 'day'
			, 'monthnum'
			, 'year'
			, 'w'
			, 'category_name'
			, 'tag'
			, 'tag_id'
			, 'author_name'
			, 'feed'
			, 'tb'
			, 'paged'
			, 'comments_popup'
			, 'preview'
		);

		foreach ($keys as $key) {
			if ( !isset($array[$key]))
				$array[$key] = '';
		}

		$array_keys = array('category__in', 'category__not_in', 'category__and',
			'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and');

		foreach ( $array_keys as $key ) {
			if ( !isset($array[$key]))
				$array[$key] = array();
		}
		return $array;
	}

	// Parse a query string and set query type booleans.
	function parse_query ($query) {
		if ( !empty($query) || !isset($this->query) ) {
			$this->init();
			if ( is_array($query) )
				$this->query_vars = $query;
			else
				parse_str($query, $this->query_vars);
			$this->query = $query;
		}

		$this->query_vars = $this->fill_query_vars($this->query_vars);
		$qv = &$this->query_vars;

		if ( ! empty($qv['robots']) )
			$this->is_robots = true;

		$qv['p'] =  (int) $qv['p'];
		$qv['page_id'] =  (int) $qv['page_id'];
		$qv['year'] = (int) $qv['year'];
		$qv['monthnum'] = (int) $qv['monthnum'];
		$qv['day'] = (int) $qv['day'];
		$qv['w'] = (int) $qv['w'];
		$qv['m'] =  (int) $qv['m'];
		if ( '' !== $qv['hour'] ) $qv['hour'] = (int) $qv['hour'];
		if ( '' !== $qv['minute'] ) $qv['minute'] = (int) $qv['minute'];
		if ( '' !== $qv['second'] ) $qv['second'] = (int) $qv['second'];

		// Compat.  Map subpost to attachment.
		if ( '' != $qv['subpost'] )
			$qv['attachment'] = $qv['subpost'];
		if ( '' != $qv['subpost_id'] )
			$qv['attachment_id'] = $qv['subpost_id'];

		$qv['attachment_id'] = (int) $qv['attachment_id'];

		if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) {
			$this->is_single = true;
			$this->is_attachment = true;
		} elseif ( '' != $qv['name'] ) {
			$this->is_single = true;
		} elseif ( $qv['p'] ) {
			$this->is_single = true;
		} elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) {
			// If year, month, day, hour, minute, and second are set, a single
			// post is being queried.
			$this->is_single = true;
		} elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) {
			$this->is_page = true;
			$this->is_single = false;
		} elseif ( !empty($qv['s']) ) {
			$this->is_search = true;
		} else {
		// Look for archive queries.  Dates, categories, authors.

			if ( '' !== $qv['second'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( '' !== $qv['minute'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( '' !== $qv['hour'] ) {
				$this->is_time = true;
				$this->is_date = true;
			}

			if ( $qv['day'] ) {
				if (! $this->is_date) {
					$this->is_day = true;
					$this->is_date = true;
				}
			}

			if ( $qv['monthnum'] ) {
				if (! $this->is_date) {
					$this->is_month = true;
					$this->is_date = true;
				}
			}

			if ( $qv['year'] ) {
				if (! $this->is_date) {
					$this->is_year = true;
					$this->is_date = true;
				}
			}

			if ( $qv['m'] ) {
				$this->is_date = true;
				if (strlen($qv['m']) > 9) {
					$this->is_time = true;
				} else if (strlen($qv['m']) > 7) {
					$this->is_day = true;
				} else if (strlen($qv['m']) > 5) {
					$this->is_month = true;
				} else {
					$this->is_year = true;
				}
			}

			if ('' != $qv['w']) {
				$this->is_date = true;
			}

			if ( empty($qv['cat']) || ($qv['cat'] == '0') ) {
				$this->is_category = false;
			} else {
				if (strpos($qv['cat'], '-') !== false) {
					$this->is_category = false;
				} else {
					$this->is_category = true;
				}
			}

			if ( '' != $qv['category_name'] ) {
				$this->is_category = true;
			}

			if ( !is_array($qv['category__in']) || empty($qv['category__in']) ) {
				$qv['category__in'] = array();
			} else {
				$qv['category__in'] = array_map('intval', $qv['category__in']);
				$this->is_category = true;
			}

			if ( !is_array($qv['category__not_in']) || empty($qv['category__not_in']) ) {
				$qv['category__not_in'] = array();
			} else {
				$qv['category__not_in'] = array_map('intval', $qv['category__not_in']);
			}

			if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) {
				$qv['category__and'] = array();
			} else {
				$qv['category__and'] = array_map('intval', $qv['category__and']);
				$this->is_category = true;
			}

			if (  '' != $qv['tag'] )
				$this->is_tag = true;

			$qv['tag_id'] = (int) $qv['tag_id'];
			if (  !empty($qv['tag_id']) )
				$this->is_tag = true;

			if ( !is_array($qv['tag__in']) || empty($qv['tag__in']) ) {
				$qv['tag__in'] = array();
			} else {
				$qv['tag__in'] = array_map('intval', $qv['tag__in']);
				$this->is_tag = true;
			}

			if ( !is_array($qv['tag__not_in']) || empty($qv['tag__not_in']) ) {
				$qv['tag__not_in'] = array();
			} else {
				$qv['tag__not_in'] = array_map('intval', $qv['tag__not_in']);
			}

			if ( !is_array($qv['tag__and']) || empty($qv['tag__and']) ) {
				$qv['tag__and'] = array();
			} else {
				$qv['tag__and'] = array_map('intval', $qv['tag__and']);
				$this->is_category = true;
			}

			if ( !is_array($qv['tag_slug__in']) || empty($qv['tag_slug__in']) ) {
				$qv['tag_slug__in'] = array();
			} else {
				$qv['tag_slug__in'] = array_map('sanitize_title', $qv['tag_slug__in']);
				$this->is_tag = true;
			}

			if ( !is_array($qv['tag_slug__and']) || empty($qv['tag_slug__and']) ) {
				$qv['tag_slug__and'] = array();
			} else {
				$qv['tag_slug__and'] = array_map('sanitize_title', $qv['tag_slug__and']);
				$this->is_tag = true;
			}

			if ( empty($qv['taxonomy']) || empty($qv['term']) ) {
				$this->is_tax = false;
				foreach ( $GLOBALS['wp_taxonomies'] as $t ) {
					if ( isset($t->query_var) && '' != $qv[$t->query_var] ) {
						$this->is_tax = true;
						break;
					}
				}
			} else {
				$this->is_tax = true;
			}

			if ( empty($qv['author']) || ($qv['author'] == '0') ) {
				$this->is_author = false;
			} else {
				$this->is_author = true;
			}

			if ( '' != $qv['author_name'] ) {
				$this->is_author = true;
			}

			if ( ($this->is_date || $this->is_author || $this->is_category || $this->is_tag ) )
				$this->is_archive = true;
		}

		if ( '' != $qv['feed'] )
			$this->is_feed = true;

		if ( '' != $qv['tb'] )
			$this->is_trackback = true;

		if ( '' != $qv['paged'] )
			$this->is_paged = true;

		if ( '' != $qv['comments_popup'] )
			$this->is_comments_popup = true;

		// if we're previewing inside the write screen
		if ('' != $qv['preview'])
			$this->is_preview = true;

		if ( is_admin() )
			$this->is_admin = true;

		if ( false !== strpos($qv['feed'], 'comments-') ) {
			$qv['feed'] = str_replace('comments-', '', $qv['feed']);
			$qv['withcomments'] = 1;
		}

		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;

		if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
			$this->is_comment_feed = true;

		if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup ) )
			$this->is_home = true;

		// Correct is_* for page_on_front and page_for_posts
		if ( $this->is_home && ( empty($this->query) || $qv['preview'] == 'true' ) && 'page' == get_option('show_on_front') && get_option('page_on_front') ) {
			$this->is_page = true;
			$this->is_home = false;
			$qv['page_id'] = get_option('page_on_front');
		}

		if ( '' != $qv['pagename'] ) {
			$this->queried_object =& get_page_by_path($qv['pagename']);
			if ( !empty($this->queried_object) )
				$this->queried_object_id = (int) $this->queried_object->ID;
			else
				unset($this->queried_object);

			if  ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) {
				$this->is_page = false;
				$this->is_home = true;
				$this->is_posts_page = true;
			}
		}

		if ( $qv['page_id'] ) {
			if  ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
				$this->is_page = false;
				$this->is_home = true;
				$this->is_posts_page = true;
			}
		}

		if ( !empty($qv['post_type']) )
			$qv['post_type'] = sanitize_user($qv['post_type'], true);

		if ( !empty($qv['post_status']) )
			$qv['post_status'] = sanitize_user($qv['post_status'], true);

		if ( $this->is_posts_page && !$qv['withcomments'] )
			$this->is_comment_feed = false;

		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
		// Done correcting is_* for page_on_front and page_for_posts

		if ('404' == $qv['error'])
			$this->set_404();

		if ( !empty($query) )
			do_action_ref_array('parse_query', array(&$this));
	}

	function set_404() {
		$is_feed = $this->is_feed;

		$this->init_query_flags();
		$this->is_404 = true;

		$this->is_feed = $is_feed;
	}

	function get($query_var) {
		if (isset($this->query_vars[$query_var])) {
			return $this->query_vars[$query_var];
		}

		return '';
	}

	function set($query_var, $value) {
		$this->query_vars[$query_var] = $value;
	}

	function &get_posts() {
		global $wpdb, $user_ID;

		do_action_ref_array('pre_get_posts', array(&$this));

		// Shorthand.
		$q = &$this->query_vars;

		$q = $this->fill_query_vars($q);

		// First let's clear some variables
		$distinct = '';
		$whichcat = '';
		$whichauthor = '';
		$whichmimetype = '';
		$where = '';
		$limits = '';
		$join = '';
		$search = '';
		$groupby = '';
		$post_status_join = false;

		if ( !isset($q['post_type']) ) {
			if ( $this->is_search )
				$q['post_type'] = 'any';
			else
				$q['post_type'] = 'post';
		}
		$post_type = $q['post_type'];
		if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
			$q['posts_per_page'] = get_option('posts_per_page');
		if ( isset($q['showposts']) && $q['showposts'] ) {
			$q['showposts'] = (int) $q['showposts'];
			$q['posts_per_page'] = $q['showposts'];
		}
		if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
			$q['posts_per_page'] = $q['posts_per_archive_page'];
		if ( !isset($q['nopaging']) ) {
			if ($q['posts_per_page'] == -1) {
				$q['nopaging'] = true;
			} else {
				$q['nopaging'] = false;
			}
		}
		if ( $this->is_feed ) {
			$q['posts_per_page'] = get_option('posts_per_rss');
			$q['nopaging'] = false;
		}
		$q['posts_per_page'] = (int) $q['posts_per_page'];
		if ( $q['posts_per_page'] < -1 )
			$q['posts_per_page'] = abs($q['posts_per_page']);
		else if ( $q['posts_per_page'] == 0 )
			$q['posts_per_page'] = 1;

		if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
			$this->is_page = true;
			$this->is_home = false;
			$q['page_id'] = get_option('page_on_front');
		}

		if (isset($q['page'])) {
			$q['page'] = trim($q['page'], '/');
			$q['page'] = (int) $q['page'];
			$q['page'] = abs($q['page']);
		}

		// If a month is specified in the querystring, load that month
		if ( $q['m'] ) {
			$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
			$where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4);
			if (strlen($q['m'])>5)
				$where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2);
			if (strlen($q['m'])>7)
				$where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2);
			if (strlen($q['m'])>9)
				$where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2);
			if (strlen($q['m'])>11)
				$where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2);
			if (strlen($q['m'])>13)
				$where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2);
		}

		if ( '' !== $q['hour'] )
			$where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'";

		if ( '' !== $q['minute'] )
			$where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'";

		if ( '' !== $q['second'] )
			$where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'";

		if ( $q['year'] )
			$where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'";

		if ( $q['monthnum'] )
			$where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'";

		if ( $q['day'] )
			$where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'";

		if ('' != $q['name']) {
			$q['name'] = sanitize_title($q['name']);
			$where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'";
		} else if ('' != $q['pagename']) {
			if ( isset($this->queried_object_id) )
				$reqpage = $this->queried_object_id;
			else {
				$reqpage = get_page_by_path($q['pagename']);
				if ( !empty($reqpage) )
					$reqpage = $reqpage->ID;
				else
					$reqpage = 0;
			}

			if  ( ('page' != get_option('show_on_front') ) || ( $reqpage != get_option('page_for_posts') ) ) {
				$q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
				$page_paths = '/' . trim($q['pagename'], '/');
				$q['pagename'] = sanitize_title(basename($page_paths));
				$q['name'] = $q['pagename'];
				$where .= " AND (ID = '$reqpage')";
				$reqpage_obj = get_page($reqpage);
				if ( 'attachment' == $reqpage_obj->post_type ) {
					$this->is_attachment = true;
					$this->is_page = true;
					$q['attachment_id'] = $reqpage;
				}
			}
		} elseif ('' != $q['attachment']) {
			$q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment'])));
			$attach_paths = '/' . trim($q['attachment'], '/');
			$q['attachment'] = sanitize_title(basename($attach_paths));
			$q['name'] = $q['attachment'];
			$where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'";
		}

		if ( $q['w'] )
			$where .= " AND WEEK($wpdb->posts.post_date, 1)='" . $q['w'] . "'";

		if ( intval($q['comments_popup']) )
			$q['p'] = intval($q['comments_popup']);

		// If an attachment is requested by number, let it supercede any post number.
		if ( $q['attachment_id'] )
			$q['p'] = $q['attachment_id'];

		// If a post number is specified, load that post
		if ( $q['p'] )
			$where = " AND {$wpdb->posts}.ID = " . $q['p'];

		if ( $q['page_id'] ) {
			if  ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
				$q['p'] = $q['page_id'];
				$where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
			}
		}

		// If a search pattern is specified, load the posts that match
		if ( !empty($q['s']) ) {
			// added slashes screw with quote grouping when done early, so done later
			$q['s'] = stripslashes($q['s']);
			if ($q['sentence']) {
				$q['search_terms'] = array($q['s']);
			} else {
				preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $q[s], $matches);
				$q['search_terms'] = array_map(create_function('$a', 'return trim($a, "\\"\'\\n\\r ");'), $matches[0]);
			}
			$n = ($q['exact']) ? '' : '%';
			$searchand = '';
			foreach((array)$q['search_terms'] as $term) {
				$term = addslashes_gpc($term);
				$search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))";
				$searchand = ' AND ';
			}
			$term = $wpdb->escape($q['s']);
			if (!$q['sentence'] && count($q['search_terms']) > 1 && $q['search_terms'][0] != $q['s'] )
				$search .= " OR ($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}')";

			if ( !empty($search) )
				$search = " AND ({$search}) ";
		}

		// Category stuff

		if ( empty($q['cat']) || ($q['cat'] == '0') ||
				// Bypass cat checks if fetching specific posts
				$this->is_singular ) {
			$whichcat = '';
		} else {
			$q['cat'] = ''.urldecode($q['cat']).'';
			$q['cat'] = addslashes_gpc($q['cat']);
			$cat_array = preg_split('/[,\s]+/', $q['cat']);
			$q['cat'] = '';
			$req_cats = array();
			foreach ( $cat_array as $cat ) {
				$cat = intval($cat);
				$req_cats[] = $cat;
				$in = ($cat > 0);
				$cat = abs($cat);
				if ( $in ) {
					$q['category__in'][] = $cat;
					$q['category__in'] = array_merge($q['category__in'], get_term_children($cat, 'category'));
				} else {
					$q['category__not_in'][] = $cat;
					$q['category__not_in'] = array_merge($q['category__not_in'], get_term_children($cat, 'category'));
				}
			}
			$q['cat'] = implode(',', $req_cats);
		}

		if ( !empty($q['category__in']) || !empty($q['category__not_in']) || !empty($q['category__and']) ) {
			$groupby = "{$wpdb->posts}.ID";
		}

		if ( !empty($q['category__in']) ) {
			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
			$include_cats = "'" . implode("', '", $q['category__in']) . "'";
			$whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_cats) ";
		}

		if ( !empty($q['category__not_in']) ) {
			$ids = get_objects_in_term($q['category__not_in'], 'category');
			if ( is_wp_error( $ids ) )
				return $ids;
			if ( is_array($ids) && count($ids > 0) ) {
				$out_posts = "'" . implode("', '", $ids) . "'";
				$whichcat .= " AND $wpdb->posts.ID NOT IN ($out_posts)";
			}
		}

		// Category stuff for nice URLs
		if ( '' != $q['category_name'] && !$this->is_singular ) {
			$reqcat = get_category_by_path($q['category_name']);
			$q['category_name'] = str_replace('%2F', '/', urlencode(urldecode($q['category_name'])));
			$cat_paths = '/' . trim($q['category_name'], '/');
			$q['category_name'] = sanitize_title(basename($cat_paths));

			$cat_paths = '/' . trim(urldecode($q['category_name']), '/');
			$q['category_name'] = sanitize_title(basename($cat_paths));
			$cat_paths = explode('/', $cat_paths);
			$cat_path = '';
			foreach ( (array) $cat_paths as $pathdir )
				$cat_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title($pathdir);

			//if we don't match the entire hierarchy fallback on just matching the nicename
			if ( empty($reqcat) )
				$reqcat = get_category_by_path($q['category_name'], false);

			if ( !empty($reqcat) )
				$reqcat = $reqcat->term_id;
			else
				$reqcat = 0;

			$q['cat'] = $reqcat;

			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
			$whichcat = " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
			$in_cats = array($q['cat']);
			$in_cats = array_merge($in_cats, get_term_children($q['cat'], 'category'));
			$in_cats = "'" . implode("', '", $in_cats) . "'";
			$whichcat .= "AND $wpdb->term_taxonomy.term_id IN ($in_cats)";
			$groupby = "{$wpdb->posts}.ID";
		}

		// Tags
		if ( '' != $q['tag'] ) {
			if ( strpos($q['tag'], ',') !== false ) {
				$tags = preg_split('/[,\s]+/', $q['tag']);
				foreach ( (array) $tags as $tag ) {
					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
					$q['tag_slug__in'][] = $tag;
				}
			} else if ( preg_match('/[+\s]+/', $q['tag']) ) {
				$tags = preg_split('/[+\s]+/', $q['tag']);
				foreach ( (array) $tags as $tag ) {
					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
					$q['tag_slug__and'][] = $tag;
				}
			} else {
				$q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
				$q['tag_slug__in'][] = $q['tag'];
			}
		}

		if ( !empty($q['tag__in']) || !empty($q['tag__not_in']) || !empty($q['tag__and']) ||
			!empty($q['tag_slug__in']) || !empty($q['tag_slug__and']) ) {
			$groupby = "{$wpdb->posts}.ID";
		}

		if ( !empty($q['tag__in']) ) {
			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' ";
			$include_tags = "'" . implode("', '", $q['tag__in']) . "'";
			$whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_tags) ";
			$reqtag = is_term( $q['tag__in'][0], 'post_tag' );
			if ( !empty($reqtag) )
				$q['tag_id'] = $reqtag['term_id'];
		}

		if ( !empty($q['tag_slug__in']) ) {
			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) INNER JOIN $wpdb->terms ON ($wpdb->term_taxonomy.term_id = $wpdb->terms.term_id) ";
			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' ";
			$include_tags = "'" . implode("', '", $q['tag_slug__in']) . "'";
			$whichcat .= " AND $wpdb->terms.slug IN ($include_tags) ";
			$reqtag = is_term( $q['tag_slug__in'][0], 'post_tag' );
			if ( !empty($reqtag) )
				$q['tag_id'] = $reqtag['term_id'];
		}

		if ( !empty($q['tag__not_in']) ) {
			$ids = get_objects_in_term($q['tag__not_in'], 'post_tag');
			if ( is_array($ids) && count($ids > 0) ) {
				$out_posts = "'" . implode("', '", $ids) . "'";
				$whichcat .= " AND $wpdb->posts.ID NOT IN ($out_posts)";
			}
		}

		// Tag and slug intersections.
		$intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag');
		foreach ($intersections as $item => $taxonomy) {
			if ( empty($q[$item]) ) continue;

			if ( $item != 'category__and' ) {
				$reqtag = is_term( $q[$item][0], 'post_tag' );
				if ( !empty($reqtag) )
					$q['tag_id'] = $reqtag['term_id'];
			}

			$taxonomy_field = $item == 'tag_slug__and' ? 'slug' : 'term_id';

			$q[$item] = array_unique($q[$item]);
			$tsql = "SELECT p.ID FROM $wpdb->posts p INNER JOIN $wpdb->term_relationships tr ON (p.ID = tr.object_id) INNER JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) INNER JOIN $wpdb->terms t ON (tt.term_id = t.term_id)";
			$tsql .= " WHERE tt.taxonomy = '$taxonomy' AND t.$taxonomy_field IN ('" . implode("', '", $q[$item]) . "')";
			$tsql .= " GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]);

			$post_ids = $wpdb->get_col($tsql);

			if ( count($post_ids) )
				$whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") ";
			else {
				$whichcat = " AND 0 = 1";
				break;
			}
		}

		// Taxonomies
		if ( $this->is_tax ) {
			if ( '' != $q['taxonomy'] ) {
				$taxonomy = $q['taxonomy'];
				$tt[$taxonomy] = $q['term'];
				$terms = get_terms($q['taxonomy'], array('slug'=>$q['term']));
			} else {
				foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) {
					if ( isset($t->query_var) && '' != $q[$t->query_var] ) {
						$terms = get_terms($taxonomy, array('slug'=>$q[$t->query_var]));
						if ( !is_wp_error($terms) )
							break;
					}
				}
			}
			if ( is_wp_error($terms) || empty($terms) ) {
				$whichcat = " AND 0 ";
			} else {
				foreach ( $terms as $term )
					$term_ids[] = $term->term_id;
				$post_ids = get_objects_in_term($term_ids, $taxonomy);
				if ( !is_wp_error($post_ids) && count($post_ids) ) {
					$whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") ";
					$post_type = 'any';
					$q['post_status'] = 'publish';
					$post_status_join = true;
				} else {
					$whichcat = " AND 0 ";
				}
			}
		}

		// Author/user stuff

		if ( empty($q['author']) || ($q['author'] == '0') ) {
			$whichauthor='';
		} else {
			$q['author'] = ''.urldecode($q['author']).'';
			$q['author'] = addslashes_gpc($q['author']);
			if (strpos($q['author'], '-') !== false) {
				$eq = '!=';
				$andor = 'AND';
				$q['author'] = explode('-', $q['author']);
				$q['author'] = ''.intval($q['author'][1]);
			} else {
				$eq = '=';
				$andor = 'OR';
			}
			$author_array = preg_split('/[,\s]+/', $q['author']);
			$whichauthor .= " AND ($wpdb->posts.post_author ".$eq.' '.intval($author_array[0]);
			for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
				$whichauthor .= ' '.$andor." $wpdb->posts.post_author ".$eq.' '.intval($author_array[$i]);
			}
			$whichauthor .= ')';
		}

		// Author stuff for nice URLs

		if ('' != $q['author_name']) {
			if (strpos($q['author_name'], '/') !== false) {
				$q['author_name'] = explode('/',$q['author_name']);
				if ($q['author_name'][count($q['author_name'])-1]) {
					$q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
				} else {
					$q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
				}
			}
			$q['author_name'] = sanitize_title($q['author_name']);
			$q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
			$whichauthor .= " AND ($wpdb->posts.post_author = ".intval($q['author']).')';
		}

		// MIME-Type stuff for attachment browsing

		if ( isset($q['post_mime_type']) && '' != $q['post_mime_type'] )
			$whichmimetype = wp_post_mime_type_where($q['post_mime_type']);

		$where .= $search.$whichcat.$whichauthor.$whichmimetype;

		if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) )
			$q['order'] = 'DESC';

		// Order by
		if ( empty($q['orderby']) ) {
			$q['orderby'] = "$wpdb->posts.post_date ".$q['order'];
		} else {
			// Used to filter values
			$allowed_keys = array('author', 'date', 'category', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand');
			$q['orderby'] = urldecode($q['orderby']);
			$q['orderby'] = addslashes_gpc($q['orderby']);
			$orderby_array = explode(' ',$q['orderby']);
			if ( empty($orderby_array) )
				$orderby_array[] = $q['orderby'];
			$q['orderby'] = '';
			for ($i = 0; $i < count($orderby_array); $i++) {
				// Only allow certain values for safety
				$orderby = $orderby_array[$i];
				switch ($orderby) {
					case 'menu_order':
					case 'ID':
						$orderby = "$wpdb->posts.ID";
						break;
					case 'rand':
						$orderby = 'RAND()';
						break;
					default:
						$orderby = "$wpdb->posts.post_" . $orderby;
				}
				if ( in_array($orderby_array[$i], $allowed_keys) )
					$q['orderby'] .= (($i == 0) ? '' : ',') . $orderby;
			}
			// append ASC or DESC at the end
			if ( !empty($q['orderby']))
				$q['orderby'] .= " {$q['order']}";

			if ( empty($q['orderby']) )
				$q['orderby'] = "$wpdb->posts.post_date ".$q['order'];
		}

		if ( $this->is_attachment ) {
			$where .= " AND $wpdb->posts.post_type = 'attachment'";
		} elseif ($this->is_page) {
			$where .= " AND $wpdb->posts.post_type = 'page'";
		} elseif ($this->is_single) {
			$where .= " AND $wpdb->posts.post_type = 'post'";
		} elseif ( 'any' == $post_type ) {
			$where .= '';
		} else {
			$where .= " AND $wpdb->posts.post_type = '$post_type'";
		}

		if ( isset($q['post_status']) && '' != $q['post_status'] ) {
			$statuswheres = array();
			$q_status = explode(',', $q['post_status']);
			$r_status = array();
			$p_status = array();
			if ( in_array( 'draft'  , $q_status ) )
				$r_status[] = "$wpdb->posts.post_status = 'draft'";
			if ( in_array( 'pending', $q_status ) )
				$r_status[] = "$wpdb->posts.post_status = 'pending'";
			if ( in_array( 'future' , $q_status ) )
				$r_status[] = "$wpdb->posts.post_status = 'future'";
			if ( in_array( 'inherit' , $q_status ) )
				$r_status[] = "$wpdb->posts.post_status = 'inherit'";
			if ( in_array( 'private', $q_status ) )
				$p_status[] = "$wpdb->posts.post_status = 'private'";
			if ( in_array( 'publish', $q_status ) )
				$r_status[] = "$wpdb->posts.post_status = 'publish'";

			if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) {
				$r_status = array_merge($r_status, $p_status);
				unset($p_status);
			}

			if ( !empty($r_status) ) {
				if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can("edit_others_{$post_type}s") )
					$statuswheres[] = "($wpdb->posts.post_author = $user_ID " .  "AND (" . join( ' OR ', $r_status ) . "))";
				else
					$statuswheres[] = "(" . join( ' OR ', $r_status ) . ")";
			}
			if ( !empty($p_status) ) {
				if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can("read_private_{$post_type}s") )
					$statuswheres[] = "($wpdb->posts.post_author = $user_ID " .  "AND (" . join( ' OR ', $p_status ) . "))";
				else
					$statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
			}
			if ( $post_status_join ) {
				$join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) ";
				foreach ( $statuswheres as $index => $statuswhere )
					$statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
			}
			foreach ( $statuswheres as $statuswhere )
				$where .= " AND $statuswhere";
		} elseif ( !$this->is_singular ) {
			$where .= " AND ($wpdb->posts.post_status = 'publish'";

			if ( is_admin() )
				$where .= " OR $wpdb->posts.post_status = 'future' OR $wpdb->posts.post_status = 'draft' OR $wpdb->posts.post_status = 'pending'";

			if ( is_user_logged_in() ) {
				$where .= current_user_can( "read_private_{$post_type}s" ) ? " OR $wpdb->posts.post_status = 'private'" : " OR $wpdb->posts.post_author = $user_ID AND $wpdb->posts.post_status = 'private'";
			}

			$where .= ')';
		}

		// Apply filters on where and join prior to paging so that any
		// manipulations to them are reflected in the paging by day queries.
		$where = apply_filters('posts_where', $where);
		$join = apply_filters('posts_join', $join);

		// Paging
		if ( empty($q['nopaging']) && !$this->is_singular ) {
			$page = absint($q['paged']);
			if (empty($page)) {
				$page = 1;
			}

			if ( empty($q['offset']) ) {
				$pgstrt = '';
				$pgstrt = (intval($page) -1) * $q['posts_per_page'] . ', ';
				$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
			} else { // we're ignoring $page and using 'offset'
				$q['offset'] = absint($q['offset']);
				$pgstrt = $q['offset'] . ', ';
				$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
			}
		}

		// Comments feeds
		if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) {
			if ( $this->is_archive || $this->is_search ) {
				$cjoin = "LEFT JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join ";
				$cwhere = "WHERE comment_approved = '1' $where";
				$cgroupby = "GROUP BY $wpdb->comments.comment_id";
			} else { // Other non singular e.g. front
				$cjoin = "LEFT JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
				$cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'";
				$cgroupby = '';
			}

			$cjoin = apply_filters('comment_feed_join', $cjoin);
			$cwhere = apply_filters('comment_feed_where', $cwhere);
			$cgroupby = apply_filters('comment_feed_groupby', $cgroupby);

			$this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby ORDER BY comment_date_gmt DESC LIMIT " . get_option('posts_per_rss'));
			$this->comment_count = count($this->comments);

			$post_ids = array();

			foreach ($this->comments as $comment)
				$post_ids[] = (int) $comment->comment_post_ID;

			$post_ids = join(',', $post_ids);
			$join = '';
			if ( $post_ids )
				$where = "AND $wpdb->posts.ID IN ($post_ids) ";
			else
				$where = "AND 0";
		}

		// Apply post-paging filters on where and join.  Only plugins that
		// manipulate paging queries should use these hooks.

		$where = apply_filters('posts_where_paged', $where);
		$groupby = apply_filters('posts_groupby', $groupby);
		$join = apply_filters('posts_join_paged', $join);
		$orderby = apply_filters('posts_orderby', $q['orderby']);
		$distinct = apply_filters('posts_distinct', $distinct);
		$fields = apply_filters('posts_fields', "$wpdb->posts.*");
		$limits = apply_filters( 'post_limits', $limits );

		// Announce current selection parameters.  For use by caching plugins.
		do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );

		// Filter again for the benefit of caching plugins.  Regular plugins should use the hooks above.
		$where = apply_filters('posts_where_request', $where);
		$groupby = apply_filters('posts_groupby_request', $groupby);
		$join = apply_filters('posts_join_request', $join);
		$orderby = apply_filters('posts_orderby_request', $orderby);
		$distinct = apply_filters('posts_distinct_request', $distinct);
		$fields = apply_filters('posts_fields_request', $fields);
		$limits = apply_filters( 'post_limits_request', $limits );

		if ( ! empty($groupby) )
			$groupby = 'GROUP BY ' . $groupby;
		if ( !empty( $orderby ) )
			$orderby = 'ORDER BY ' . $orderby;
		$found_rows = '';
		if ( !empty($limits) )
			$found_rows = 'SQL_CALC_FOUND_ROWS';

		$request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
		$this->request = apply_filters('posts_request', $request);

		$this->posts = $wpdb->get_results($this->request);
		// Raw results filter.  Prior to status checks.
		$this->posts = apply_filters('posts_results', $this->posts);

		if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
			$cjoin = apply_filters('comment_feed_join', '');
			$cwhere = apply_filters('comment_feed_where', "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'");
			$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere ORDER BY comment_date_gmt DESC LIMIT " . get_option('posts_per_rss');
			$this->comments = $wpdb->get_results($comments_request);
			$this->comment_count = count($this->comments);
		}

		if ( !empty($limits) ) {
			$found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' );
			$this->found_posts = $wpdb->get_var( $found_posts_query );
			$this->found_posts = apply_filters( 'found_posts', $this->found_posts );
			$this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
		}

		// Check post status to determine if post should be displayed.
		if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
			$status = get_post_status($this->posts[0]);
			//$type = get_post_type($this->posts[0]);
			if ( ('publish' != $status) ) {
				if ( ! is_user_logged_in() ) {
					// User must be logged in to view unpublished posts.
					$this->posts = array();
				} else {
					if  (in_array($status, array('draft', 'pending')) ) {
						// User must have edit permissions on the draft to preview.
						if (! current_user_can('edit_post', $this->posts[0]->ID)) {
							$this->posts = array();
						} else {
							$this->is_preview = true;
							$this->posts[0]->post_date = current_time('mysql');
						}
					}  else if ('future' == $status) {
						$this->is_preview = true;
						if (!current_user_can('edit_post', $this->posts[0]->ID)) {
							$this->posts = array ( );
						}
					} else {
						if (! current_user_can('read_post', $this->posts[0]->ID))
							$this->posts = array();
					}
				}
			}
		}

		$this->posts = apply_filters('the_posts', $this->posts);

		update_post_caches($this->posts);

		$this->post_count = count($this->posts);
		if ($this->post_count > 0) {
			$this->post = $this->posts[0];
		}

		return $this->posts;
	}

	function next_post() {

		$this->current_post++;

		$this->post = $this->posts[$this->current_post];
		return $this->post;
	}

	function the_post() {
		global $post;
		$this->in_the_loop = true;
		$post = $this->next_post();
		setup_postdata($post);

		if ( $this->current_post == 0 ) // loop has just started
			do_action('loop_start');
	}

	function have_posts() {
		if ($this->current_post + 1 < $this->post_count) {
			return true;
		} elseif ($this->current_post + 1 == $this->post_count) {
			do_action('loop_end');
			// Do some cleaning up after the loop
			$this->rewind_posts();
		}

		$this->in_the_loop = false;
		return false;
	}

	function rewind_posts() {
		$this->current_post = -1;
		if ($this->post_count > 0) {
			$this->post = $this->posts[0];
		}
	}

	function next_comment() {
		$this->current_comment++;

		$this->comment = $this->comments[$this->current_comment];
		return $this->comment;
	}

	function the_comment() {
		global $comment;

		$comment = $this->next_comment();

		if ($this->current_comment == 0) {
			do_action('comment_loop_start');
		}
	}

	function have_comments() {
		if ($this->current_comment + 1 < $this->comment_count) {
			return true;
		} elseif ($this->current_comment + 1 == $this->comment_count) {
			$this->rewind_comments();
		}

		return false;
	}

	function rewind_comments() {
		$this->current_comment = -1;
		if ($this->comment_count > 0) {
			$this->comment = $this->comments[0];
		}
	}

	function &query($query) {
		$this->parse_query($query);
		return $this->get_posts();
	}

	function get_queried_object() {
		if (isset($this->queried_object)) {
			return $this->queried_object;
		}

		$this->queried_object = NULL;
		$this->queried_object_id = 0;

		if ($this->is_category) {
			$cat = $this->get('cat');
			$category = &get_category($cat);
			$this->queried_object = &$category;
			$this->queried_object_id = (int) $cat;
		} else if ($this->is_tag) {
			$tag_id = $this->get('tag_id');
			$tag = &get_term($tag_id, 'post_tag');
			if ( is_wp_error( $tag ) )
				return $tag;
			$this->queried_object = &$tag;
			$this->queried_object_id = (int) $tag_id;
		} else if ($this->is_tax) {
			$tax = $this->get('taxonomy');
			$slug = $this->get('term');
			$term = &get_terms($tax, array('slug'=>$slug));
			if ( is_wp_error($term) )
				return $term;
			$this->queried_object = $term;
			$this->queried_object_id = $term->term_id;
		} else if ($this->is_posts_page) {
			$this->queried_object = & get_page(get_option('page_for_posts'));
			$this->queried_object_id = (int) $this->queried_object->ID;
		} else if ($this->is_single) {
			$this->queried_object = $this->post;
			$this->queried_object_id = (int) $this->post->ID;
		} else if ($this->is_page) {
			$this->queried_object = $this->post;
			$this->queried_object_id = (int) $this->post->ID;
		} else if ($this->is_author) {
			$author_id = (int) $this->get('author');
			$author = get_userdata($author_id);
			$this->queried_object = $author;
			$this->queried_object_id = $author_id;
		}

		return $this->queried_object;
	}

	function get_queried_object_id() {
		$this->get_queried_object();

		if (isset($this->queried_object_id)) {
			return $this->queried_object_id;
		}

		return 0;
	}

	function WP_Query ($query = '') {
		if (! empty($query)) {
			$this->query($query);
		}
	}
}


// Redirect old slugs
function wp_old_slug_redirect () {
	global $wp_query;
	if ( is_404() && '' != $wp_query->query_vars['name'] ) :
		global $wpdb;

		$query = "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND meta_key = '_wp_old_slug' AND meta_value='" . $wp_query->query_vars['name'] . "'";

		// if year, monthnum, or day have been specified, make our query more precise
		// just in case there are multiple identical _wp_old_slug values
		if ( '' != $wp_query->query_vars['year'] )
			$query .= " AND YEAR(post_date) = '{$wp_query->query_vars['year']}'";
		if ( '' != $wp_query->query_vars['monthnum'] )
			$query .= " AND MONTH(post_date) = '{$wp_query->query_vars['monthnum']}'";
		if ( '' != $wp_query->query_vars['day'] )
			$query .= " AND DAYOFMONTH(post_date) = '{$wp_query->query_vars['day']}'";

		$id = (int) $wpdb->get_var($query);

		if ( !$id )
			return;

		$link = get_permalink($id);

		if ( !$link )
			return;

		wp_redirect($link, '301'); // Permanent redirect
		exit;
	endif;
}


//
// Private helper functions
//

// Setup global post data.
function setup_postdata($post) {
	global $id, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages;

	$id = (int) $post->ID;

	$authordata = get_userdata($post->post_author);

	$day = mysql2date('d.m.y', $post->post_date);
	$currentmonth = mysql2date('m', $post->post_date);
	$numpages = 1;
	$page = get_query_var('page');
	if ( !$page )
		$page = 1;
	if ( is_single() || is_page() || is_feed() )
		$more = 1;
	$content = $post->post_content;
	if ( preg_match('/<!--nextpage-->/', $content) ) {
		if ( $page > 1 )
			$more = 1;
		$multipage = 1;
		$content = str_replace("\n<!--nextpage-->\n", '<!--nextpage-->', $content);
		$content = str_replace("\n<!--nextpage-->", '<!--nextpage-->', $content);
		$content = str_replace("<!--nextpage-->\n", '<!--nextpage-->', $content);
		$pages = explode('<!--nextpage-->', $content);
		$numpages = count($pages);
	} else {
		$pages[0] = $post->post_content;
		$multipage = 0;
	}
	return true;
}

?>
/**
 * HTML/XHTML filter that only allows some elements and attributes
 *
 * Added wp_ prefix to avoid conflicts with existing kses users
 *
 * @version 0.2.2
 * @copyright (C) 2002, 2003, 2005
 * @author Ulf Harnhammar <metaur@users.sourceforge.net>
 *
 * @package External
 * @subpackage KSES
 *
 * @internal
 * *** CONTACT INFORMATION ***
 * E-mail:      metaur at users dot sourceforge dot net
 * Web page:    http://sourceforge.net/projects/kses
 * Paper mail:  Ulf Harnhammar
 *              Ymergatan 17 C
 *              753 25  Uppsala
 *              SWEDEN
 *
 * [kses strips evil scripts!]
 */

/**
 * You can override this in your my-hacks.php file
 * You can also override this in a plugin file. The
 * my-hacks.php is deprecated in its usage.
 *
 * @since 1.2.0
 */
if (!defined('CUSTOM_TAGS'))
	define('CUSTOM_TAGS', false);

if (!CUSTOM_TAGS) {
	/**
	 * Kses global for default allowable HTML tags
	 *
	 * Can be override by using CUSTOM_TAGS constant
	 * @global array $allowedposttags
	 * @since 2.0.0
	 */
	$allowedposttags = array(
		'address' => array(),
		'a' => array(
			'class' => array (),
			'href' => array (),
			'id' => array (),
			'title' => array (),
			'rel' => array (),
			'rev' => array (),
			'name' => array (),
			'target' => array()),
		'abbr' => array(
			'class' => array (),
			'title' => array ()),
		'acronym' => array(
			'title' => array ()),
		'b' => array(),
		'big' => array(),
		'blockquote' => array(
			'id' => array (),
			'cite' => array (),
			'class' => array(),
			'lang' => array(),
			'xml:lang' => array()),
		'br' => array (
			'class' => array ()),
		'button' => array(
			'disabled' => array (),
			'name' => array (),
			'type' => array (),
			'value' => array ()),
		'caption' => array(
			'align' => array (),
			'class' => array ()),
		'cite' => array (
			'class' => array(),
			'dir' => array(),
			'lang' => array(),
			'title' => array ()),
		'code' => array (
			'style' => array()),
		'col' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'span' => array (),
			'dir' => array(),
			'style' => array (),
			'valign' => array (),
			'width' => array ()),
		'del' => array(
			'datetime' => array ()),
		'dd' => array(),
		'div' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array()),
		'dl' => array(),
		'dt' => array(),
		'em' => array(),
		'fieldset' => array(),
		'font' => array(
			'color' => array (),
			'face' => array (),
			'size' => array ()),
		'form' => array(
			'action' => array (),
			'accept' => array (),
			'accept-charset' => array (),
			'enctype' => array (),
			'method' => array (),
			'name' => array (),
			'target' => array ()),
		'h1' => array(
			'align' => array (),
			'class' => array ()),
		'h2' => array(
			'align' => array (),
			'class' => array ()),
		'h3' => array(
			'align' => array (),
			'class' => array ()),
		'h4' => array(
			'align' => array (),
			'class' => array ()),
		'h5' => array(
			'align' => array (),
			'class' => array ()),
		'h6' => array(
			'align' => array (),
			'class' => array ()),
		'hr' => array(
			'align' => array (),
			'class' => array (),
			'noshade' => array (),
			'size' => array (),
			'width' => array ()),
		'i' => array(),
		'img' => array(
			'alt' => array (),
			'align' => array (),
			'border' => array (),
			'class' => array (),
			'height' => array (),
			'hspace' => array (),
			'longdesc' => array (),
			'vspace' => array (),
			'src' => array (),
			'style' => array (),
			'width' => array ()),
		'ins' => array(
			'datetime' => array (),
			'cite' => array ()),
		'kbd' => array(),
		'label' => array(
			'for' => array ()),
		'legend' => array(
			'align' => array ()),
		'li' => array (
			'align' => array (),
			'class' => array ()),
		'p' => array(
			'class' => array (),
			'align' => array (),
			'dir' => array(),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array()),
		'pre' => array(
			'style' => array(),
			'width' => array ()),
		'q' => array(
			'cite' => array ()),
		's' => array(),
		'span' => array (
			'class' => array (),
			'dir' => array (),
			'align' => array (),
			'style' => array (),
			'title' => array ()),
		'strike' => array(),
		'strong' => array(),
		'sub' => array(),
		'sup' => array(),
		'table' => array(
			'align' => array (),
			'bgcolor' => array (),
			'border' => array (),
			'cellpadding' => array (),
			'cellspacing' => array (),
			'class' => array (),
			'dir' => array(),
			'id' => array(),
			'rules' => array (),
			'style' => array (),
			'summary' => array (),
			'width' => array ()),
		'tbody' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'valign' => array ()),
		'td' => array(
			'abbr' => array (),
			'align' => array (),
			'axis' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'colspan' => array (),
			'dir' => array(),
			'headers' => array (),
			'height' => array (),
			'nowrap' => array (),
			'rowspan' => array (),
			'scope' => array (),
			'style' => array (),
			'valign' => array (),
			'width' => array ()),
		'textarea' => array(
			'cols' => array (),
			'rows' => array (),
			'disabled' => array (),
			'name' => array (),
			'readonly' => array ()),
		'tfoot' => array(
			'align' => array (),
			'char' => array (),
			'class' => array (),
			'charoff' => array (),
			'valign' => array ()),
		'th' => array(
			'abbr' => array (),
			'align' => array (),
			'axis' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'colspan' => array (),
			'headers' => array (),
			'height' => array (),
			'nowrap' => array (),
			'rowspan' => array (),
			'scope' => array (),
			'valign' => array (),
			'width' => array ()),
		'thead' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'valign' => array ()),
		'title' => array(),
		'tr' => array(
			'align' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'style' => array (),
			'valign' => array ()),
		'tt' => array(),
		'u' => array(),
		'ul' => array (
			'class' => array (),
			'style' => array (), 
			'type' => array ()),
		'ol' => array (
			'class' => array (),
			'start' => array (),
			'style' => array (), 
			'type' => array ()),
		'var' => array ());
	/**
	 * Kses allowed HTML elements
	 *
	 * @global array $allowedtags
	 * @since 1.0.0
	 */
	$allowedtags = array(
		'a' => array(
			'href' => array (),
			'title' => array ()),
		'abbr' => array(
			'title' => array ()),
		'acronym' => array(
			'title' => array ()),
		'b' => array(),
		'blockquote' => array(
			'cite' => array ()),
		//	'br' => array(),
		'cite' => array (),
		'code' => array(),
		'del' => array(
			'datetime' => array ()),
		//	'dd' => array(),
		//	'dl' => array(),
		//	'dt' => array(),
		'em' => array (), 'i' => array (),
		//	'ins' => array('datetime' => array(), 'cite' => array()),
		//	'li' => array(),
		//	'ol' => array(),
		//	'p' => array(),
		'q' => array(
			'cite' => array ()),
		'strike' => array(),
		'strong' => array(),
		//	'sub' => array(),
		//	'sup' => array(),
		//	'u' => array(),
		//	'ul' => array(),
	);
}

/**
 * wp_kses() - Filters content and keeps only allowable HTML elements.
 *
 * This function makes sure that only the allowed HTML element names,
 * attribute names and attribute values plus only sane HTML entities
 * will occur in $string. You have to remove any slashes from PHP's
 * magic quotes before you call this function.
 *
 * The default allowed protocols are 'http', 'https', 'ftp', 'mailto',
 * 'news', 'irc', 'gopher', 'nntp', 'feed', and finally 'telnet. This
 * covers all common link protocols, except for 'javascript' which
 * should not be allowed for untrusted users.
 *
 * @since 1.0.0
 *
 * @param string $string Content to filter through kses
 * @param array $allowed_html List of allowed HTML elements
 * @param array $allowed_protocols Optional. Allowed protocol in links.
 * @return string Filtered content with only allowed HTML elements
 */
function wp_kses($string, $allowed_html, $allowed_protocols = array ('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet')) {
	$string = wp_kses_no_null($string);
	$string = wp_kses_js_entities($string);
	$string = wp_kses_normalize_entities($string);
	$allowed_html_fixed = wp_kses_array_lc($allowed_html);
	$string = wp_kses_hook($string, $allowed_html_fixed, $allowed_protocols); // WP changed the order of these funcs and added args to wp_kses_hook
	return wp_kses_split($string, $allowed_html_fixed, $allowed_protocols);
}

/**
 * wp_kses_hook() - You add any kses hooks here.
 *
 * There is currently only one kses WordPress hook and it is
 * called here. All parameters are passed to the hooks and
 * expected to recieve a string.
 *
 * @since 1.0.0
 *
 * @param string $string Content to filter through kses
 * @param array $allowed_html List of allowed HTML elements
 * @param array $allowed_protocols Allowed protocol in links
 * @return string Filtered content through 'pre_kses' hook
 */
function wp_kses_hook($string, $allowed_html, $allowed_protocols) {
	$string = apply_filters('pre_kses', $string, $allowed_html, $allowed_protocols);
	return $string;
}

/**
 * wp_kses_version() - This function returns kses' version number.
 *
 * @since 1.0.0
 *
 * @return string Version Number
 */
function wp_kses_version() {
	return '0.2.2';
}

/**
 * wp_kses_split() - Searches for HTML tags, no matter how malformed
 *
 * It also matches stray ">" characters.
 *
 * @since 1.0.0
 *
 * @param string $string Content to filter
 * @param array $allowed_html Allowed HTML elements
 * @param array $allowed_protocols Allowed protocols to keep
 * @return string Content with fixed HTML tags
 */
function wp_kses_split($string, $allowed_html, $allowed_protocols) {
	return preg_replace('%((<!--.*?(-->|$))|(<[^>]*(>|$)|>))%e',
	"wp_kses_split2('\\1', \$allowed_html, ".'$allowed_protocols)', $string);
}

/**
 * wp_kses_split2() - Callback for wp_kses_split for fixing malformed HTML tags
 *
 * This function does a lot of work. It rejects some very malformed things
 * like <:::>. It returns an empty string, if the element isn't allowed (look
 * ma, no strip_tags()!). Otherwise it splits the tag into an element and an
 * attribute list.
 *
 * After the tag is split into an element and an attribute list, it is run
 * through another filter which will remove illegal attributes and once
 * that is completed, will be returned.
 *
 * @since 1.0.0
 * @uses wp_kses_attr()
 *
 * @param string $string Content to filter
 * @param array $allowed_html Allowed HTML elements
 * @param array $allowed_protocols Allowed protocols to keep
 * @return string Fixed HTML element
 */
function wp_kses_split2($string, $allowed_html, $allowed_protocols) {
	$string = wp_kses_stripslashes($string);

	if (substr($string, 0, 1) != '<')
		return '&gt;';
	# It matched a ">" character

	if (preg_match('%^<!--(.*?)(-->)?$%', $string, $matches)) {
		$string = str_replace(array('<!--', '-->'), '', $matches[1]);
		while ( $string != $newstring = wp_kses($string, $allowed_html, $allowed_protocols) )
			$string = $newstring;
		if ( $string == '' )
			return '';
		return "<!--{$string}-->";
	}
	# Allow HTML comments

	if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches))
		return '';
	# It's seriously malformed

	$slash = trim($matches[1]);
	$elem = $matches[2];
	$attrlist = $matches[3];

	if (!@isset($allowed_html[strtolower($elem)]))
		return '';
	# They are using a not allowed HTML element

	if ($slash != '')
		return "<$slash$elem>";
	# No attributes are allowed for closing elements

	return wp_kses_attr("$slash$elem", $attrlist, $allowed_html, $allowed_protocols);
}

/**
 * wp_kses_attr() - Removes all attributes, if none are allowed for this element
 *
 * If some are allowed it calls wp_kses_hair() to split them further, and then
 * it builds up new HTML code from the data that kses_hair() returns. It also
 * removes "<" and ">" characters, if there are any left. One more thing it
 * does is to check if the tag has a closing XHTML slash, and if it does, it
 * puts one in the returned code as well.
 *
 * @since 1.0.0
 *
 * @param string $element HTML element/tag
 * @param string $attr HTML attributes from HTML element to closing HTML element tag
 * @param array $allowed_html Allowed HTML elements
 * @param array $allowed_protocols Allowed protocols to keep
 * @return string Sanitized HTML element
 */
function wp_kses_attr($element, $attr, $allowed_html, $allowed_protocols) {
	# Is there a closing XHTML slash at the end of the attributes?

	$xhtml_slash = '';
	if (preg_match('%\s/\s*$%', $attr))
		$xhtml_slash = ' /';

	# Are any attributes allowed at all for this element?

	if (@ count($allowed_html[strtolower($element)]) == 0)
		return "<$element$xhtml_slash>";

	# Split it

	$attrarr = wp_kses_hair($attr, $allowed_protocols);

	# Go through $attrarr, and save the allowed attributes for this element
	# in $attr2

	$attr2 = '';

	foreach ($attrarr as $arreach) {
		if (!@ isset ($allowed_html[strtolower($element)][strtolower($arreach['name'])]))
			continue; # the attribute is not allowed

		$current = $allowed_html[strtolower($element)][strtolower($arreach['name'])];
		if ($current == '')
			continue; # the attribute is not allowed

		if (!is_array($current))
			$attr2 .= ' '.$arreach['whole'];
		# there are no checks

		else {
			# there are some checks
			$ok = true;
			foreach ($current as $currkey => $currval)
				if (!wp_kses_check_attr_val($arreach['value'], $arreach['vless'], $currkey, $currval)) {
					$ok = false;
					break;
				}

			if ($ok)
				$attr2 .= ' '.$arreach['whole']; # it passed them
		} # if !is_array($current)
	} # foreach

	# Remove any "<" or ">" characters

	$attr2 = preg_replace('/[<>]/', '', $attr2);

	return "<$element$attr2$xhtml_slash>";
}

/**
 * wp_kses_hair() - Builds an attribute list from string containing attributes.
 *
 * This function does a lot of work. It parses an attribute list into an array
 * with attribute data, and tries to do the right thing even if it gets weird
 * input. It will add quotes around attribute values that don't have any quotes
 * or apostrophes around them, to make it easier to produce HTML code that will
 * conform to W3C's HTML specification. It will also remove bad URL protocols
 * from attribute values.
 *
 * @since 1.0.0
 *
 * @param string $attr Attribute list from HTML element to closing HTML element tag
 * @param array $allowed_protocols Allowed protocols to keep
 * @return array List of attributes after parsing
 */
function wp_kses_hair($attr, $allowed_protocols) {
	$attrarr = array ();
	$mode = 0;
	$attrname = '';

	# Loop through the whole attribute list

	while (strlen($attr) != 0) {
		$working = 0; # Was the last operation successful?

		switch ($mode) {
			case 0 : # attribute name, href for instance

				if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) {
					$attrname = $match[1];
					$working = $mode = 1;
					$attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
				}

				break;

			case 1 : # equals sign or valueless ("selected")

				if (preg_match('/^\s*=\s*/', $attr)) # equals sign
					{
					$working = 1;
					$mode = 2;
					$attr = preg_replace('/^\s*=\s*/', '', $attr);
					break;
				}

				if (preg_match('/^\s+/', $attr)) # valueless
					{
					$working = 1;
					$mode = 0;
					$attrarr[] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y');
					$attr = preg_replace('/^\s+/', '', $attr);
				}

				break;

			case 2 : # attribute value, a URL after href= for instance

				if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match))
					# "value"
					{
					$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);

					$attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');
					$working = 1;
					$mode = 0;
					$attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr);
					break;
				}

				if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match))
					# 'value'
					{
					$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);

					$attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname='$thisval'", 'vless' => 'n');
					$working = 1;
					$mode = 0;
					$attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr);
					break;
				}

				if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match))
					# value
					{
					$thisval = wp_kses_bad_protocol($match[1], $allowed_protocols);

					$attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n');
					# We add quotes to conform to W3C's HTML spec.
					$working = 1;
					$mode = 0;
					$attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr);
				}

				break;
		} # switch

		if ($working == 0) # not well formed, remove and try again
		{
			$attr = wp_kses_html_error($attr);
			$mode = 0;
		}
	} # while

	if ($mode == 1)
		# special case, for when the attribute list ends with a valueless
		# attribute like "selected"
		$attrarr[] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y');

	return $attrarr;
}

/**
 * wp_kses_check_attr_val() - Performs different checks for attribute values.
 *
 * The currently implemented checks are "maxlen", "minlen", "maxval", "minval"
 * and "valueless" with even more checks to come soon.
 *
 * @since 1.0.0
 *
 * @param string $value Attribute value
 * @param string $vless Whether the value is valueless or not. Use 'y' or 'n'
 * @param string $checkname What $checkvalue is checking for.
 * @param mixed $checkvalue What constraint the value should pass
 * @return bool Whether check passes (true) or not (false)
 */
function wp_kses_check_attr_val($value, $vless, $checkname, $checkvalue) {
	$ok = true;

	switch (strtolower($checkname)) {
		case 'maxlen' :
			# The maxlen check makes sure that the attribute value has a length not
			# greater than the given value. This can be used to avoid Buffer Overflows
			# in WWW clients and various Internet servers.

			if (strlen($value) > $checkvalue)
				$ok = false;
			break;

		case 'minlen' :
			# The minlen check makes sure that the attribute value has a length not
			# smaller than the given value.

			if (strlen($value) < $checkvalue)
				$ok = false;
			break;

		case 'maxval' :
			# The maxval check does two things: it checks that the attribute value is
			# an integer from 0 and up, without an excessive amount of zeroes or
			# whitespace (to avoid Buffer Overflows). It also checks that the attribute
			# value is not greater than the given value.
			# This check can be used to avoid Denial of Service attacks.

			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
				$ok = false;
			if ($value > $checkvalue)
				$ok = false;
			break;

		case 'minval' :
			# The minval check checks that the attribute value is a positive integer,
			# and that it is not smaller than the given value.

			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))
				$ok = false;
			if ($value < $checkvalue)
				$ok = false;
			break;

		case 'valueless' :
			# The valueless check checks if the attribute has a value
			# (like <a href="blah">) or not (<option selected>). If the given value
			# is a "y" or a "Y", the attribute must not have a value.
			# If the given value is an "n" or an "N", the attribute must have one.

			if (strtolower($checkvalue) != $vless)
				$ok = false;
			break;
	} # switch

	return $ok;
}

/**
 * wp_kses_bad_protocol() - Sanitize string from bad protocols
 *
 * This function removes all non-allowed protocols from the beginning
 * of $string. It ignores whitespace and the case of the letters, and
 * it does understand HTML entities. It does its work in a while loop,
 * so it won't be fooled by a string like "javascript:javascript:alert(57)".
 *
 * @since 1.0.0
 *
 * @param string $string Content to filter bad protocols from
 * @param array $allowed_protocols Allowed protocols to keep
 * @return string Filtered content
 */
function wp_kses_bad_protocol($string, $allowed_protocols) {
	$string = wp_kses_no_null($string);
	$string = preg_replace('/\xad+/', '', $string); # deals with Opera "feature"
	$string2 = $string.'a';

	while ($string != $string2) {
		$string2 = $string;
		$string = wp_kses_bad_protocol_once($string, $allowed_protocols);
	} # while

	return $string;
}

/**
 * wp_kses_no_null() - Removes any NULL characters in $string.
 *
 * @since 1.0.0
 *
 * @param string $string
 * @return string
 */
function wp_kses_no_null($string) {
	$string = preg_replace('/\0+/', '', $string);
	$string = preg_replace('/(\\\\0)+/', '', $string);

	return $string;
}

/**
 * wp_kses_stripslashes() - Strips slashes from in front of quotes
 *
 * This function changes the character sequence  \"  to just  "
 * It leaves all other slashes alone. It's really weird, but the
 * quoting from preg_replace(//e) seems to require this.
 *
 * @since 1.0.0
 *
 * @param string $string String to strip slashes
 * @return string Fixed strings with quoted slashes
 */
function wp_kses_stripslashes($string) {
	return preg_replace('%\\\\"%', '"', $string);
}

/**
 * wp_kses_array_lc() - Goes through an array and changes the keys to all lower case.
 *
 * @since 1.0.0
 *
 * @param array $inarray Unfiltered array
 * @return array Fixed array with all lowercase keys
 */
function wp_kses_array_lc($inarray) {
	$outarray = array ();

	foreach ($inarray as $inkey => $inval) {
		$outkey = strtolower($inkey);
		$outarray[$outkey] = array ();

		foreach ($inval as $inkey2 => $inval2) {
			$outkey2 = strtolower($inkey2);
			$outarray[$outkey][$outkey2] = $inval2;
		} # foreach $inval
	} # foreach $inarray

	return $outarray;
}

/**
 * wp_kses_js_entities() - Removes the HTML JavaScript entities found in early versions of Netscape 4.
 *
 * @since 1.0.0
 *
 * @param string $string
 * @return string
 */
function wp_kses_js_entities($string) {
	return preg_replace('%&\s*\{[^}]*(\}\s*;?|$)%', '', $string);
}

/**
 * wp_kses_html_error() - Handles parsing errors in wp_kses_hair()
 *
 * The general plan is to remove everything to and including some
 * whitespace, but it deals with quotes and apostrophes as well.
 *
 * @since 1.0.0
 *
 * @param string $string
 * @return string
 */
function wp_kses_html_error($string) {
	return preg_replace('/^("[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*/', '', $string);
}

/**
 * wp_kses_bad_protocol_once() - Sanitizes content from bad protocols and other characters
 *
 * This function searches for URL protocols at the beginning of $string,
 * while handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols) {
	global $_kses_allowed_protocols;
	$_kses_allowed_protocols = $allowed_protocols;

	$string2 = preg_split('/:|&#58;|&#x3a;/i', $string, 2);
	if ( isset($string2[1]) && !preg_match('%/\?%', $string2[0]) )
		$string = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols) . trim($string2[1]);
	else
		$string = preg_replace_callback('/^((&[^;]*;|[\sA-Za-z0-9])*)'.'(:|&#58;|&#[Xx]3[Aa];)\s*/', create_function('$matches', 'global $_kses_allowed_protocols; return wp_kses_bad_protocol_once2($matches[1], $_kses_allowed_protocols);'), $string);

	return $string;
}

/**
 * wp_kses_bad_protocol_once2() - Callback for wp_kses_bad_protocol_once() regular expression.
 *
 * This function processes URL protocols, checks to see if they're in the
 * white-list or not, and returns different data depending on the answer.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param array $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once2($string, $allowed_protocols) {
	$string2 = wp_kses_decode_entities($string);
	$string2 = preg_replace('/\s/', '', $string2);
	$string2 = wp_kses_no_null($string2);
	$string2 = preg_replace('/\xad+/', '', $string2);
	# deals with Opera "feature"
	$string2 = strtolower($string2);

	$allowed = false;
	foreach ($allowed_protocols as $one_protocol)
		if (strtolower($one_protocol) == $string2) {
			$allowed = true;
			break;
		}

	if ($allowed)
		return "$string2:";
	else
		return '';
}

/**
 * wp_kses_normalize_entities() - Converts and fixes HTML entities
 *
 * This function normalizes HTML entities. It will convert "AT&T" to the
 * correct "AT&amp;T", "&#00058;" to "&#58;", "&#XYZZY;" to "&amp;#XYZZY;"
 * and so on.
 *
 * @since 1.0.0
 *
 * @param string $string Content to normalize entities
 * @return string Content with normalized entities
 */
function wp_kses_normalize_entities($string) {
	# Disarm all entities by converting & to &amp;

	$string = str_replace('&', '&amp;', $string);

	# Change back the allowed entities in our entity whitelist

	$string = preg_replace('/&amp;([A-Za-z][A-Za-z0-9]{0,19});/', '&\\1;', $string);
	$string = preg_replace_callback('/&amp;#0*([0-9]{1,5});/', create_function('$matches', 'return wp_kses_normalize_entities2($matches[1]);'), $string);
	$string = preg_replace('/&amp;#([Xx])0*(([0-9A-Fa-f]{2}){1,2});/', '&#\\1\\2;', $string);

	return $string;
}

/**
 * wp_kses_normalize_entities2() - Callback for wp_kses_normalize_entities() regular expression
 *
 * This function helps wp_kses_normalize_entities() to only accept 16 bit
 * values and nothing more for &#number; entities.
 *
 * @since 1.0.0
 *
 * @param int $i Number encoded entity
 * @return string Correctly encoded entity
 */
function wp_kses_normalize_entities2($i) {
	return (($i > 65535) ? "&amp;#$i;" : "&#$i;");
}

/**
 * wp_kses_decode_entities() - Convert all entities to their character counterparts.
 *
 * This function decodes numeric HTML entities (&#65; and &#x41;). It
 * doesn't do anything with other entities like &auml;, but we don't need
 * them in the URL protocol whitelisting system anyway.
 *
 * @since 1.0.0
 *
 * @param string $string Content to change entities
 * @return string Content after decoded entities
 */
function wp_kses_decode_entities($string) {
	$string = preg_replace('/&#([0-9]+);/e', 'chr("\\1")', $string);
	$string = preg_replace('/&#[Xx]([0-9A-Fa-f]+);/e', 'chr(hexdec("\\1"))', $string);

	return $string;
}

/**
 * wp_filter_kses() - Sanitize content with allowed HTML Kses rules
 *
 * @since 1.0.0
 * @uses $allowedtags
 *
 * @param string $data Content to filter
 * @return string Filtered content
 */
function wp_filter_kses($data) {
	global $allowedtags;
	return addslashes( wp_kses(stripslashes( $data ), $allowedtags) );
}

/**
 * wp_filter_post_kses() - Sanitize content for allowed HTML tags for post content
 *
 * Post content refers to the page contents of the 'post' type and not
 * $_POST data from forms.
 *
 * @since 2.0.0
 * @uses $allowedposttags
 *
 * @param string $data Post content to filter
 * @return string Filtered post content with allowed HTML tags and attributes intact.
 */
function wp_filter_post_kses($data) {
	global $allowedposttags;
	return addslashes ( wp_kses(stripslashes( $data ), $allowedposttags) );
}

/**
 * wp_filter_nohtml_kses() - Strips all of the HTML in the content
 *
 * @since 2.1.0
 *
 * @param string $data Content to strip all HTML from
 * @return string Filtered content without any HTML
 */
function wp_filter_nohtml_kses($data) {
	return addslashes ( wp_kses(stripslashes( $data ), array()) );
}

/**
 * kses_init_filters() - Adds all Kses input form content filters
 *
 * All hooks have default priority. The wp_filter_kses() fucntion
 * is added to the 'pre_comment_content' and 'title_save_pre'
 * hooks. The wp_filter_post_kses() function is added to the
 * 'content_save_pre', 'excerpt_save_pre', and 'content_filtered_save_pre'
 * hooks.
 *
 * @since 2.0.0
 * @uses add_filter() See description for what functions are added to what hooks.
 */
function kses_init_filters() {
	// Normal filtering.
	add_filter('pre_comment_content', 'wp_filter_kses');
	add_filter('title_save_pre', 'wp_filter_kses');

	// Post filtering
	add_filter('content_save_pre', 'wp_filter_post_kses');
	add_filter('excerpt_save_pre', 'wp_filter_post_kses');
	add_filter('content_filtered_save_pre', 'wp_filter_post_kses');
}

/**
 * kses_remove_filters() - Removes all Kses input form content filters
 *
 * A quick procedural method to removing all of the filters
 * that kses uses for content in WordPress Loop.
 *
 * Does not remove the kses_init() function from 'init' hook
 * (priority is default). Also does not remove kses_init()
 * function from 'set_current_user' hook (priority is also
 * default).
 *
 * @since 2.0.6
 */
function kses_remove_filters() {
	// Normal filtering.
	remove_filter('pre_comment_content', 'wp_filter_kses');
	remove_filter('title_save_pre', 'wp_filter_kses');

	// Post filtering
	remove_filter('content_save_pre', 'wp_filter_post_kses');
	remove_filter('excerpt_save_pre', 'wp_filter_post_kses');
	remove_filter('content_filtered_save_pre', 'wp_filter_post_kses');
}

/**
 * kses_init() - Sets up most of the Kses filters for input form content
 *
 * If you remove the kses_init() function from 'init' hook and
 * 'set_current_user' (priority is default), then none of the
 * Kses filter hooks will be added.
 *
 * First removes all of the Kses filters in case the current user
 * does not need to have Kses filter the content. If the user does
 * not have unfiltered html capability, then Kses filters are added.
 *
 * @uses kses_remove_filters() Removes the Kses filters
 * @uses kses_init_filters() Adds the Kses filters back if the user
 *		does not have unfiltered HTML capability.
 * @since 2.0.0
 */
function kses_init() {
	kses_remove_filters();

	if (current_user_can('unfiltered_html') == false)
		kses_init_filters();
}

add_action('init', 'kses_init');
add_action('set_current_user', 'kses_init');
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