+<?php

+/**

+*

+* @package phpBB SEO GYM Sitemaps

+* @version $Id: gym_rss_functions.php 275 2010-11-21 17:48:06Z dcz $

+* @copyright (c) 2006 - 2010 www.phpbb-seo.com

+* @license http://opensource.org/osi3.0/licenses/lgpl-license.php GNU Lesser General Public License

+*

+*/

+// First basic security

+if ( !defined('IN_PHPBB') ) {

+ exit;

+}

+define('GYM_RSS_FUNC_INC', true);

+/**

+* get_gym_links($gym_config).

+* retunrs the link array

+*/

+function get_gym_links($gym_config) {

+ global $phpbb_root_path, $config, $phpEx, $user, $cache, $db, $phpbb_seo;

+ $links = array();

+ $_phpbb_seo = !empty($phpbb_seo);

+ $board_url = $_phpbb_seo ? $phpbb_seo->seo_path['phpbb_url'] : generate_board_url() . '/';

+ $gym_link_tpl = '<a href="%1$s" title="%3$s" class="gym"><img src="' . $board_url . 'gym_sitemaps/images/%2$s" alt="%3$s" width="14", height="14"/>&nbsp;%3$s</a>';

+ $google_threshold = max(1, (int) $gym_config['google_threshold']);

+ //compute guest auth

+ $cache_file = '_gym_auth_guests_forum';

+ if (($auth_guest_list = $cache->get($cache_file)) === false) {

+ $auth_guest_list = array('list' => array(), 'read' => array(), 'list_post' => array(), 'read_post' => array(), 'skip_pass' => array(), 'skip_cat' => array(), 'skip_all' => array(), 'skip_link' => array(), 'thresholded' => array(), 'empty' => array());

+ $guest_data = array('user_id' => ANONYMOUS,

+ 'user_type' => USER_IGNORE,

+ 'user_permissions' . (defined('XLANG_AKEY') ? XLANG_AKEY : '') => '',

+ );

+ $g_auth = new auth();

+ $g_auth->acl($guest_data);

+ // the forum id array

+ $forum_list_ary = $g_auth->acl_getf('f_list', true);

+ foreach ($forum_list_ary as $forum_id => $null) {

+ $auth_guest_list['list'][$forum_id] = (int) $forum_id;

+ }

+ $forum_read_ary = $g_auth->acl_getf('f_read', true);

+ foreach ($forum_read_ary as $forum_id => $null) {

+ $auth_guest_list['read'][$forum_id] = (int) $forum_id;

+ }

+ ksort($auth_guest_list['list']);

+ ksort($auth_guest_list['read']);

+ $sql = "SELECT forum_id, forum_type, forum_password

+ FROM " . FORUMS_TABLE . "

+ WHERE forum_type <> " . FORUM_POST . " OR forum_password <> ''";

+ $result = $db->sql_query($sql);

+ while ( $row = $db->sql_fetchrow($result) ) {

+ $forum_id = (int) $row['forum_id'];

+ if ($row['forum_password']) {

+ $auth_guest_list['skip_pass'][$forum_id] = $forum_id;

+ }

+ if ($row['forum_type'] == FORUM_CAT) {

+ $auth_guest_list['skip_cat'][$forum_id] = $forum_id;

+ } else if ($row['forum_type'] == FORUM_LINK) {

+ $auth_guest_list['skip_link'][$forum_id] = $forum_id;

+ }

+ $auth_guest_list['skip_all'][$forum_id] = $forum_id;

+ }

+ $db->sql_freeresult($result);

+ // Now let's grabb the list of forum with not enough topics to have a sitemap

+ // Only care about postable forum ;-)

+ $sql = "SELECT forum_id, forum_topics

+ FROM " . FORUMS_TABLE . "

+ WHERE forum_type = " . FORUM_POST . "

+ AND forum_topics < $google_threshold";

+ $result = $db->sql_query($sql);

+ while ( $row = $db->sql_fetchrow($result) ) {

+ $forum_id = (int) $row['forum_id'];

+ $auth_guest_list['thresholded'][$forum_id] = $forum_id;

+ if (empty($row['forum_topics'])) {

+ $auth_guest_list['empty'][$forum_id] = $forum_id;

+ }

+ }

+ ksort($auth_guest_list['skip_pass']);

+ ksort($auth_guest_list['skip_all']);

+ ksort($auth_guest_list['skip_link']);

+ ksort($auth_guest_list['skip_cat']);

+ // Never mind about forum links

+ $auth_guest_list['read'] = array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_link']);

+ $auth_guest_list['list'] = array_diff_assoc($auth_guest_list['list'], $auth_guest_list['skip_link']);

+ ksort($auth_guest_list['read']);

+ ksort($auth_guest_list['list']);

+ $auth_guest_list['list_post'] = array_diff_assoc($auth_guest_list['list'], $auth_guest_list['skip_all']);

+ $auth_guest_list['read_post'] = array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_all']);

+ $cache->put($cache_file, $auth_guest_list);

+ }

+ $links = array();

+ $links['main'] = $links['setup']['google'] = $links['setup']['rss'] = $links['setup']['html'] = array();

+ // Find out about active modes

+ $google_active = $rss_active = $html_active = false;

+ $gym_modules = array(

+ 'google' => array('forum', 'xml', 'txt'),

+ 'rss' => array('forum'),

+ 'html' => array('forum'),

+ );

+ foreach ($gym_modules as $type => $modules) {

+ foreach ($modules as $module) {

+ if (!empty($gym_config[$type . '_' . $module . '_installed'])) {

+ ${$type . '_active'} = true;

+ break;

+ }

+ }

+ }

+ $do_display_cat = $do_display_main = $do_display_index = false;

+ // Google sitemaps

+ if ($google_active) {

+ $display_google_main_links = (boolean) get_gym_option('google', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config);

+ $display_google_index_links = (boolean) get_gym_option('google', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config);

+ $display_google_cat_links = (boolean) get_gym_option('google', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config);

+ $override_google_mod_rewrite = get_override('google', 'modrewrite', $gym_config);

+ $google_mod_rewrite = (boolean) get_gym_option('google', 'gym', 'modrewrite', $override_google_mod_rewrite, $gym_config);

+ $override_google_gzip = get_override('google', 'gzip', $gym_config);

+ $google_gzip = (boolean) get_gym_option('google', 'forum', 'gzip', $override_google_gzip, $gym_config);

+ $google_gzip_ext = ($google_gzip || $config['gzip_compress']) ? (get_gym_option('google', 'forum', 'gzip_ext', $override_google_gzip, $gym_config) ? '.gz' : '') : '';

+ $google_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['google_url'], $phpbb_seo->ssl['use'], false) : $gym_config['google_url'];

+ $sitemap_url = $google_url . ($google_mod_rewrite ? 'sitemapindex.xml' . $google_gzip_ext : "sitemap.$phpEx");

+ $links['setup']['google'] = array(

+ 'override_mod_rewrite' => $override_google_mod_rewrite,

+ 'mod_rewrite' => $google_mod_rewrite,

+ 'override_gzip' => $override_google_gzip,

+ 'link_main' => $display_google_main_links,

+ 'link_index' => $display_google_index_links,

+ 'link_cat' => $display_google_cat_links,

+ 'gzip' => $google_gzip,

+ 'gzip_ext' => $google_gzip_ext,

+ 'google_url' => $google_url,

+ 'threshold' => max(1, (int) $gym_config['google_threshold']),

+ 'l_google_sitemap' => $user->lang['GOOGLE_SITEMAP'],

+ 'l_google_sitemap_of' => $user->lang['GOOGLE_MAP_OF'],

+ );

+ // only publicly readable and not thresholded forums will be listed

+ if (!empty($gym_config['google_forum_installed'])) {

+ $google_forum_mod_rewrite = (boolean) get_gym_option('google', 'forum', 'modrewrite', $override_google_mod_rewrite, $gym_config);

+ $google_auth_guest = array_diff_assoc($auth_guest_list['read_post'], set_exclude_list($gym_config['google_forum_exclude']), $auth_guest_list['thresholded']);

+ $google_forum_exclude = set_exclude_list($gym_config['google_forum_exclude']) + $auth_guest_list['skip_all'];

+ $links['setup']['google'] = array_merge( $links['setup']['google'],

+ array(

+ 'forum_google' => true,

+ 'forum_cat_google' => $google_url . ($google_forum_mod_rewrite && $_phpbb_seo ? "%1\$s.xml$google_gzip_ext" : "sitemap.$phpEx?forum=%2\$s"),

+ 'auth_guest' => $google_auth_guest,

+ 'forum_exclude' => $google_forum_exclude,

+ ));

+ }

+ $links['main'] = array_merge( $links['main'],

+ array(

+ 'GYM_GOOGLE_TITLE' => $user->lang['GOOGLE_SITEMAPINDEX'],

+ 'GYM_GOOGLE_URL' => $sitemap_url,

+ 'GYM_GOOGLE_LINK' => $display_google_main_links ? sprintf($gym_link_tpl, $sitemap_url, 'sitemap-icon.gif', $user->lang['GOOGLE_SITEMAPINDEX']) : '',

+ 'GYM_GOOGLE_THRESOLD' => (int) $links['setup']['google']['threshold'],

+ ));

+ $do_display_main = $display_google_main_links ? true : $do_display_main;

+ $do_display_index = $display_google_index_links ? true : $do_display_index;

+ $do_display_cat = $display_google_cat_links ? true : $do_display_cat;

+ }

+ // RSS

+ if ($rss_active) {

+ $display_rss_main_links = (boolean) get_gym_option('rss', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config);

+ $display_rss_index_links = (boolean) get_gym_option('rss', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config);

+ $display_rss_cat_links = (boolean) get_gym_option('rss', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config);

+ $override_rss_mod_rewrite = get_override('rss', 'modrewrite', $gym_config);

+ $rss_mod_rewrite = (boolean) get_gym_option('rss', 'gym', 'modrewrite', $override_rss_mod_rewrite, $gym_config);

+ $rss_modrtype = max(0, (int) get_gym_option('rss', 'gym', 'modrtype', $override_rss_mod_rewrite, $gym_config));

+ $override_rss_gzip = get_override('rss', 'gzip', $gym_config);

+ $rss_gzip = (boolean) get_gym_option('rss', 'forum', 'gzip', $override_rss_gzip, $gym_config);

+ $rss_gzip_ext = ($rss_gzip || $config['gzip_compress']) ? (get_gym_option('rss', 'forum', 'gzip_ext', $override_rss_gzip, $gym_config) ? '.gz' : '') : '';

+ // Take car of linking type

+ $link_type_sep = $rss_mod_rewrite ? '/' : '&amp;';

+ $link_type_to_options = array('n' => 'news', 'nd' => 'news'. $link_type_sep . 'digest', 'r' => '', 'rd' => 'digest');

+ $link_type_bit = isset($link_type_to_options[$gym_config['rss_linking_type']]) ? $link_type_to_options[$gym_config['rss_linking_type']] : '';

+ $rss_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['rss_url'], $phpbb_seo->ssl['use'], false) : $gym_config['rss_url'];

+ $rss_main_url = $rss_url . ($rss_mod_rewrite ? 'rss/' . ($link_type_bit ? $link_type_bit . '/' : '') . 'rss.xml' . $rss_gzip_ext : "gymrss.$phpEx" . ($link_type_bit ? '?' . $link_type_bit : ''));

+ $rss_chan_url = $rss_url . ($rss_mod_rewrite ? 'rss/' . ($link_type_bit ? $link_type_bit . '/' : '') : "gymrss.$phpEx?channels" . ($link_type_bit ? '&amp;' . $link_type_bit : ''));

+ $links['setup']['rss'] = array(

+ 'display_alternate' => (int) $gym_config['rss_alternate'],

+ 'link_main' => $display_rss_main_links,

+ 'link_index' => $display_rss_index_links,

+ 'link_cat' => $display_rss_cat_links,

+ 'override_mod_rewrite' => $override_rss_mod_rewrite,

+ 'mod_rewrite' => $rss_mod_rewrite,

+ 'override_gzip' => $override_rss_gzip,

+ 'gzip' => $rss_gzip,

+ 'gzip_ext' => $rss_gzip_ext,

+ 'rss_url' => $rss_url,

+ 'l_rss_feed' => $user->lang['RSS_FEED'],

+ 'l_rss_feed_of' => $user->lang['RSS_FEED_OF'],

+ );

+ if (!empty($gym_config['rss_forum_installed'])) {

+ $rss_forum_allow_auth = (boolean) get_gym_option('rss', 'forum', 'allow_auth', $gym_config['rss_override'], $gym_config);

+ // only readable forums can be listed

+ $rss_auth_guest = array_diff_assoc($auth_guest_list['read_post'], set_exclude_list($gym_config['rss_forum_exclude']), $auth_guest_list['empty']);

+ $rss_forum_exclude = set_exclude_list($gym_config['rss_forum_exclude']) + $auth_guest_list['skip_all'] + $auth_guest_list['empty'];

+ $rss_forum_mod_rewrite = (boolean) get_gym_option('rss', 'forum', 'modrewrite', $override_rss_mod_rewrite, $gym_config);

+ $rss_forum_modrtype = max(0, (int) get_gym_option('rss', 'forum', 'modrtype', $override_rss_mod_rewrite, $gym_config));

+

+ $links['setup']['rss'] = array_merge( $links['setup']['rss'],

+ array(

+ 'display_forum_alternate' => (int) $gym_config['rss_forum_alternate'],

+ 'forum_rss' => !empty($gym_config['rss_forum_installed']),

+ 'forum_cat_rss' => $rss_url . ($rss_forum_mod_rewrite && $_phpbb_seo ? ($rss_forum_modrtype > 1 ? "%1\$s/" . ($link_type_bit ? $link_type_bit . '/' : '') . "forum.xml$rss_gzip_ext" : "forum" . $phpbb_seo->seo_delim['forum'] . "%2\$s/" . ($link_type_bit ? $link_type_bit . '/' : '') . "forum.xml$rss_gzip_ext") : "gymrss.$phpEx?forum=%2\$s" . ($link_type_bit ? '&amp;' . $link_type_bit : '')),

+ 'auth_guest' => $rss_auth_guest,

+ 'forum_exclude' => $rss_forum_exclude,

+ 'forum_allow_auth' => $rss_forum_allow_auth,

+ ));

+ }

+ $links['main'] = array_merge( $links['main'],

+ array(

+ 'GYM_RSS_TITLE' => $user->lang['RSS_FEED'],

+ 'GYM_RSS_URL' => $rss_main_url,

+ 'GYM_RSS_LINK' => $display_rss_main_links ? sprintf($gym_link_tpl, $rss_main_url, 'feed-icon.png', $user->lang['RSS_FEED']) : '',

+ 'GYM_RSS_CHAN_TITLE' => $user->lang['RSS_CHAN_LIST_TITLE'],

+ 'GYM_RSS_CHAN_URL' => $rss_chan_url,

+ 'GYM_RSS_CHAN_LINK' => $display_rss_main_links ? sprintf($gym_link_tpl, $rss_chan_url, 'feed-icon.png', $user->lang['RSS_CHAN_LIST_TITLE']) : '',

+ ));

+ $do_display_main = $display_rss_main_links ? true : $do_display_main;

+ $do_display_index = $display_rss_index_links ? true : $do_display_index;

+ $do_display_cat = $display_rss_cat_links ? true : $do_display_cat;

+ }

+ // HTML

+ if ($html_active) {

+ $display_html_main_links = (boolean) get_gym_option('html', 'gym', 'link_main', OVERRIDE_MODULE, $gym_config);

+ $display_html_index_links = (boolean) get_gym_option('html', 'gym', 'link_index', OVERRIDE_MODULE, $gym_config);

+ $display_html_cat_links = (boolean) get_gym_option('html', 'gym', 'link_cat', OVERRIDE_MODULE, $gym_config);

+ $override_html_mod_rewrite = get_override('html', 'modrewrite', $gym_config);

+ $html_mod_rewrite = (boolean) get_gym_option('html', 'gym', 'modrewrite', $override_html_mod_rewrite, $gym_config);

+ $html_allow_map = (boolean) $gym_config['html_allow_map'];

+ $html_allow_cat_map = (boolean) $gym_config['html_allow_cat_map'];

+ $html_allow_news = (boolean) $gym_config['html_allow_news'];

+ $html_allow_cat_news = (boolean) $gym_config['html_allow_cat_news'];

+ $html_url = $_phpbb_seo ? $phpbb_seo->sslify($gym_config['html_url'], $phpbb_seo->ssl['use'], false) : $gym_config['html_url'];

+ $html_map_url = $gym_config['html_allow_map'] ? $html_url . ($html_mod_rewrite ? 'maps/' : "map.$phpEx") : '';

+ $html_news_url = $gym_config['html_allow_news'] ? $html_url . ($html_mod_rewrite ? 'news/' : "map.$phpEx?news") : '';

+ $links['setup']['html'] = array(

+ 'link_main' => $display_html_main_links,

+ 'link_index' => $display_html_index_links,

+ 'link_cat' => $display_html_cat_links,

+ 'override_mod_rewrite' => $override_html_mod_rewrite,

+ 'mod_rewrite' => $html_mod_rewrite,

+ 'html_url' => $html_url,

+ 'allow_map' => $html_allow_map,

+ 'allow_news' => $html_allow_news,

+ 'allow_cat_map' => $html_allow_cat_map,

+ 'allow_cat_news' => $html_allow_cat_news,

+ 'l_html_news' => $user->lang['HTML_NEWS'],

+ 'l_html_map' => $user->lang['HTML_MAP'],

+ 'l_html_news_of' => $user->lang['HTML_NEWS_OF'],

+ 'l_html_map_of' => $user->lang['HTML_MAP_OF'],

+ );

+ if (!empty($gym_config['html_forum_installed'])) {

+ $html_forum_mod_rewrite = (boolean) get_gym_option('html', 'forum', 'modrewrite', $override_html_mod_rewrite, $gym_config);

+ $html_forum_allow_map = (boolean) get_gym_option('html', 'forum', 'allow_map', $gym_config['html_override'], $gym_config);

+ $html_forum_allow_cat_map = (boolean) get_gym_option('html', 'forum', 'allow_cat_map', $gym_config['html_override'], $gym_config);

+ $html_forum_allow_news = (boolean) get_gym_option('html', 'forum', 'allow_news', $gym_config['html_override'], $gym_config);

+ $html_forum_allow_cat_news = (boolean) get_gym_option('html', 'forum', 'allow_cat_news', $gym_config['html_override'], $gym_config);

+ $html_auth_guest = array_diff_assoc($auth_guest_list['list'], set_exclude_list($gym_config['html_forum_exclude']), $auth_guest_list['empty']);

+ $html_forum_allow_auth = (boolean) get_gym_option('html', 'forum', 'allow_auth', $gym_config['html_override'], $gym_config);

+ $html_forum_exclude = set_exclude_list($gym_config['html_forum_exclude']) + $auth_guest_list['skip_link'] + $auth_guest_list['empty'];

+ $links['setup']['html'] = array_merge( $links['setup']['html'],

+ array(

+ 'forum_allow_map' => $html_forum_allow_map,

+ 'forum_map_url' => $html_allow_map ? $html_url . ($html_forum_mod_rewrite ? 'maps/forum/' : "map.$phpEx?forum") : '',

+ 'forum_allow_news' => $html_forum_allow_news,

+ 'forum_news_url' => $html_allow_news ? $html_url . ($html_forum_mod_rewrite ? 'news/forum/' : "map.$phpEx?forum=news") : '',

+ 'forum_allow_cat_map' => $html_forum_allow_cat_map,

+ 'forum_cat_map' => $html_url . ($html_forum_mod_rewrite && $_phpbb_seo ? 'maps/forum/%1$s/' : "map.$phpEx?forum=%2\$s"),

+ 'forum_allow_cat_news' => $html_forum_allow_cat_news,

+ 'forum_cat_news' => $html_url . ($html_forum_mod_rewrite && $_phpbb_seo ? 'news/forum/%1$s/' : "map.$phpEx?forum=%2\$s&amp;news"),

+ 'auth_guest' => $html_auth_guest,

+ 'forum_exclude' => $html_forum_exclude,

+ 'forum_allow_auth' => $html_forum_allow_auth,

+ ));

+ }

+ $links['main'] = array_merge( $links['main'],

+ array(

+ 'GYM_HTML_NEWS_TITLE' => $user->lang['HTML_NEWS'],

+ 'GYM_HTML_NEWS_URL' => $html_news_url,

+ 'GYM_HTML_NEWS_LINK' => $display_html_main_links ? sprintf($gym_link_tpl, $html_news_url, 'html_news.gif', $user->lang['HTML_NEWS']) : '',

+ 'GYM_HTML_MAP_TITLE' => $user->lang['HTML_MAP'],

+ 'GYM_HTML_MAP_URL' => $html_map_url,

+ 'GYM_HTML_MAP_LINK' => $display_html_main_links ? sprintf($gym_link_tpl, $html_map_url, 'maps-icon.gif', $user->lang['HTML_MAP']) : '',

+ 'GYM_HTML_THEFORUM_NEWS_TITLE' => $user->lang['HTML_FORUM_NEWS'],

+ 'GYM_HTML_THEFORUM_NEWS_URL' => $links['setup']['html']['forum_news_url'],

+ 'GYM_HTML_THEFORUM_NEWS_LINK' => sprintf($gym_link_tpl, $links['setup']['html']['forum_news_url'], 'html_news.gif', $user->lang['HTML_FORUM_NEWS']),

+ 'GYM_HTML_THEFORUM_MAP_TITLE' => $user->lang['HTML_FORUM_MAP'],

+ 'GYM_HTML_THEFORUM_MAP_URL' => $links['setup']['html']['forum_map_url'],

+ 'GYM_HTML_THEFORUM_MAP_LINK' => sprintf($gym_link_tpl, $links['setup']['html']['forum_map_url'], 'maps-icon.gif', $user->lang['HTML_FORUM_MAP']),

+ ));

+ $do_display_main = $display_html_main_links ? true : $do_display_main;

+ $do_display_index = $display_html_index_links ? true : $do_display_index;

+ $do_display_cat = $display_html_cat_links ? true : $do_display_cat;

+ }

+ $links['setup']['main'] = array(

+ 'link_main' => ($gym_config['gym_link_main'] && $do_display_main) ? 1 : 0,

+ 'link_index' => ($gym_config['gym_link_index'] && $do_display_index) ? 1 : 0,

+ 'link_cat' => ($gym_config['gym_link_cat'] && $do_display_cat) ? 1 : 0,

+ 'f_public_read' => array_diff_assoc($auth_guest_list['read'], $auth_guest_list['skip_pass']) + array_intersect_assoc($auth_guest_list['skip_cat'], $auth_guest_list['list']),

+ );

+ $links['main'] = array_merge( $links['main'],

+ array(

+ 'GYM_LINKS' => $links['setup']['main']['link_main'],

+ 'GYM_LINKS_CAT' => $links['setup']['main']['link_cat'],

+ ));

+ $links['alternate'] = array();

+ if (!empty($links['setup']['rss']['display_alternate'])) {

+ $links['alternate'] = array(

+ array(

+ 'TITLE' => $user->lang['RSS_FEED'],

+ 'URL' => $rss_main_url

+ ),

+ array(

+ 'TITLE' => $user->lang['RSS_CHAN_LIST_TITLE'],

+ 'URL' => $rss_chan_url

+ ),

+ );

+ }

+ return $links;

+}

+/**

+* get_feed_data($_params)

+* returns the parsed feed.

+* */

+function get_feed_data($_params) {

+ global $user, $config;

+ $feed_data = array(

+ 'items' => array(),

+ 'setup' => array('date' => false, 'author' => false, 'desclen' => 0, 'chantitle' => '', 'chanlink' => ''),

+ );

+ @ini_set('user_agent','GYM Sitemaps &amp; RSS / www.phpBB-SEO.com');

+ @ini_set('default_socket_timeout', 5);

+ $xml = @file_get_contents($_params['url']);

+ if ($xml) {

+ // Get encoding

+ $encoding = get_match('`encoding=[\'"]([a-z0-9_-]+)[\'"]`Usi', $xml);

+ $encoding = !empty($encoding) ? strtolower($encoding) : detect_encoding($xml);

+ if(preg_match('`<item>(.*)</item>`si', $xml, $matches)){

+ // Get chan info

+ $feed_data['setup']['chantitle'] = get_match('`<title>(.*)</title>`Usi', $xml, $encoding);

+ $feed_data['setup']['chanlink'] = get_match('`<link>(.*)</link>`Usi', $xml, $encoding);

+ $xml = trim($matches[0]);

+ unset($matches);

+ preg_match_all('`<item>(.*)</item>`Usi', $xml, $matches);

+ unset($matches[0]);

+ if (!empty($matches[1]) && is_array($matches[1])) {

+ $i = 1;

+ foreach($matches[1] as $key => $item) {

+ if ($i > $_params['limit']) {

+ break;

+ }

+ if ($title = get_match('`<title>(.*)</title>`Usi', $item, $encoding)) {

+ if ($link = get_match('`<link>(.*)</link>`Usi', $item, $encoding)) {

+ $feed_data['items'][$i]['PUBDATE'] = false;

+ if ($pubdate = get_match('`<pubDate>(.*)</pubDate>`Usi', $item, $encoding)) {

+ if (($pubdate = strtotime($pubdate, $user->time_now)) > 0) {

+ $feed_data['items'][$i]['PUBDATE'] = $user->format_date($pubdate, $config['default_dateformat']);

+ $feed_data['setup']['date'] = true;

+ }

+ }

+ $feed_data['items'][$i]['DESC'] = false;

+ if ($_params['desc'] && $description = get_match('`<description>(.*)</description>`Usi', $item, $encoding)) {

+ if (empty($_params['html'])) {

+ $description = htmlspecialchars($_params['striptags'] ? strip_tags($description) : $description, ENT_COMPAT, 'UTF-8');

+ }

+ $feed_data['items'][$i]['DESC'] = str_replace(array("\r", "\n"), '<br />', $description);

+ $feed_data['setup']['desclen'] += utf8_strlen($feed_data['items'][$i]['DESC']);

+ }

+ $feed_data['items'][$i]['SOURCE'] = false;

+ if ($source = get_match('`<source[\s]+url="(.*)">(.*)</source>`Usi', $item, $encoding)) {

+ $feed_data['items'][$i]['SOURCE'] = htmlspecialchars($source, ENT_COMPAT, 'UTF-8');

+ }

+ $feed_data['items'][$i]['TITLE'] = htmlspecialchars($title, ENT_COMPAT, 'UTF-8');

+ $feed_data['items'][$i]['LINK'] = htmlspecialchars($link, ENT_COMPAT, 'UTF-8');

+ $feed_data['items'][$i]['IMG'] = $user->img('topic_read', $feed_data['items'][$i]['TITLE'], false, '', 'src');

+ $i++;

+ }

+ }

+ unset($matches[1][$key]);

+ }

+ }

+ unset($matches);

+ }

+ }

+ unset($xml);

+ return $feed_data;

+}

+/**

+* detect_encoding($string)

+* Inspired from php.net : http://www.php.net/mb_detect_encoding

+*/

+function detect_encoding($string) {

+ if (function_exists('mb_detect_encoding')) {

+ if ($encoding = @mb_detect_encoding($string . 'a')) {

+ return strtolower($encoding);

+ }

+ }

+ // Else at least try to see if utf-8, otherwise fall back to iso-8859-1

+ // non-overlong 2-byte|excluding overlongs|straight 3-byte|excluding surrogates|planes 1-3|planes 4-15|plane 16

+ return preg_match('%(?:[\xC2-\xDF][\x80-\xBF]|\xE0[\xA0-\xBF][\x80-\xBF]|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|\xED[\x80-\x9F][\x80-\xBF] |\xF0[\x90-\xBF][\x80-\xBF]{2}|[\xF1-\xF3][\x80-\xBF]{3}|\xF4[\x80-\x8F][\x80-\xBF]{2})+%xs', $string) ? 'utf-8' : 'iso-8859-1';

+}

+/**

+* get_match($pattern, $string, $encoding)

+* returns properly encoded match from feed

+*/

+function get_match($pattern, $string, $encoding = 'utf-8') {

+ static $filters = array('<![CDATA['=>'', ']]>'=>'');

+ $string = strtr($string, $filters);

+ preg_match($pattern, $string, $out);

+ if(!empty($out[1])) {

+ // cdata

+ $out[1] = strtr($out[1], $filters);

+ if( strtolower($encoding) != 'utf-8') {

+ $out[1] = utf8_recode($out[1], $encoding);

+ }

+ return @html_entity_decode(trim($out[1]), ENT_COMPAT, 'UTF-8');

+ } else {

+ return '';

+ }

+}

+/**

+* set_exclude_list($id_list) will build up the public unauthed ids

+*/

+function set_exclude_list($id_list) {

+ $exclude_list = empty($id_list) ? array() : explode(',', $id_list);

+ $ret = array();

+ foreach ($exclude_list as $value ) {

+ $value = (int) trim($value);

+ if (!empty($value)) {

+ $ret[$value] = $value;

+ }

+ }

+ return $ret;

+}

+?> \ No newline at end of file