if (($detect_language == 3 || !$language && $detect_language == 2) && $text_sample) {
     try {
         if ($use_cld) {
             // Use PHP-CLD extension
             $php_cld = 'CLD\\detect';
             // in quotes to prevent PHP 5.2 parse error
             $res = $php_cld($text_sample);
             if (is_array($res) && count($res) > 0) {
                 $language = $res[0]['code'];
             }
         } else {
             //die('what');
             // Use PEAR's Text_LanguageDetect
             if (!isset($l)) {
                 $l = new Text_LanguageDetect();
                 $l->setNameMode(2);
                 // return ISO 639-1 codes (e.g. "en")
             }
             $l_result = $l->detect($text_sample, 1);
             if (count($l_result) > 0) {
                 $language = key($l_result);
             }
         }
     } catch (Exception $e) {
         //die('error: '.$e);
         // do nothing
     }
 }
 if ($language && strlen($language) < 7) {
     $newitem->addElement('dc:language', $language);
 }
示例#2
0
文件: iso.php 项目: msooon/hubzilla
<?php

/**
 * Demonstrates how to use ISO language codes.
 *
 * The "name mode" changes the way languages are accepted and returned.
 */
require_once 'Text/LanguageDetect.php';
$l = new Text_LanguageDetect();
//will output the ISO 639-1 two-letter language code
// "de"
$l->setNameMode(2);
echo $l->detectSimple('Das ist ein kleiner Text') . "\n";
//will output the ISO 639-2 three-letter language code
// "deu"
$l->setNameMode(3);
echo $l->detectSimple('Das ist ein kleiner Text') . "\n";
示例#3
0
/**
 * @brief Takes a string and tries to identify the language.
 *
 * It uses the pear library Text_LanguageDetect and it can identify 52 human languages.
 * It returns the identified languges and a confidence score for each.
 *
 * Strings need to have a min length config['system']['language_detect_min_length']
 * and you can influence the confidence that must be met before a result will get
 * returned through config['system']['language_detect_min_confidence'].
 *
 * @see http://pear.php.net/package/Text_LanguageDetect
 * @param string $s A string to examine
 * @return Language code in 2-letter ISO 639-1 (en, de, fr) format
 */
function detect_language($s)
{
    require_once 'Text/LanguageDetect.php';
    $min_length = get_config('system', 'language_detect_min_length');
    if ($min_length === false) {
        $min_length = LANGUAGE_DETECT_MIN_LENGTH;
    }
    $min_confidence = get_config('system', 'language_detect_min_confidence');
    if ($min_confidence === false) {
        $min_confidence = LANGUAGE_DETECT_MIN_CONFIDENCE;
    }
    // embedded apps have long base64 strings which will trip up the detector.
    $naked_body = preg_replace('/\\[app\\](.*?)\\[\\/app\\]/', '', $s);
    // strip off bbcode
    $naked_body = preg_replace('/\\[(.+?)\\]/', '', $naked_body);
    if (mb_strlen($naked_body) < intval($min_length)) {
        logger('string length less than ' . intval($min_length), LOGGER_DATA);
        return '';
    }
    $l = new Text_LanguageDetect();
    try {
        // return 2-letter ISO 639-1 (en) language code
        $l->setNameMode(2);
        $lng = $l->detectConfidence($naked_body);
        logger('detect language: ' . print_r($lng, true) . $naked_body, LOGGER_DATA);
    } catch (Text_LanguageDetect_Exception $e) {
        logger('detect language exception: ' . $e->getMessage(), LOGGER_DATA);
    }
    if (!$lng || !x($lng, 'language')) {
        return '';
    }
    if ($lng['confidence'] < (double) $min_confidence) {
        logger('detect language: confidence less than ' . (double) $min_confidence, LOGGER_DATA);
        return '';
    }
    return $lng['language'];
}
示例#4
0
function update_rss_feed($feed, $ignore_daemon = false, $no_cache = false, $rss = false)
{
    $debug_enabled = defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug'];
    _debug_suppress(!$debug_enabled);
    _debug("start", $debug_enabled);
    $result = db_query("SELECT id,update_interval,auth_login,\n\t\t\tfeed_url,auth_pass,cache_images,\n\t\t\tmark_unread_on_update, owner_uid,\n\t\t\tpubsub_state, auth_pass_encrypted,\n\t\t\t(SELECT max(date_entered) FROM\n\t\t\t\tttrss_entries, ttrss_user_entries where ref_id = id AND feed_id = '{$feed}') AS last_article_timestamp\n\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
    if (db_num_rows($result) == 0) {
        _debug("feed {$feed} NOT FOUND/SKIPPED", $debug_enabled);
        return false;
    }
    $last_article_timestamp = @strtotime(db_fetch_result($result, 0, "last_article_timestamp"));
    if (defined('_DISABLE_HTTP_304')) {
        $last_article_timestamp = 0;
    }
    $owner_uid = db_fetch_result($result, 0, "owner_uid");
    $mark_unread_on_update = sql_bool_to_bool(db_fetch_result($result, 0, "mark_unread_on_update"));
    $pubsub_state = db_fetch_result($result, 0, "pubsub_state");
    $auth_pass_encrypted = sql_bool_to_bool(db_fetch_result($result, 0, "auth_pass_encrypted"));
    db_query("UPDATE ttrss_feeds SET last_update_started = NOW()\n\t\t\tWHERE id = '{$feed}'");
    $auth_login = db_fetch_result($result, 0, "auth_login");
    $auth_pass = db_fetch_result($result, 0, "auth_pass");
    if ($auth_pass_encrypted) {
        require_once "crypt.php";
        $auth_pass = decrypt_string($auth_pass);
    }
    $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
    $fetch_url = db_fetch_result($result, 0, "feed_url");
    $feed = db_escape_string($feed);
    $date_feed_processed = date('Y-m-d H:i');
    $cache_filename = CACHE_DIR . "/simplepie/" . sha1($fetch_url) . ".xml";
    $pluginhost = new PluginHost();
    $pluginhost->set_debug($debug_enabled);
    $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
    $pluginhost->load(PLUGINS, PluginHost::KIND_ALL);
    $pluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
    $pluginhost->load_data();
    if ($rss && is_object($rss) && get_class($rss) == "FeedParser") {
        _debug("using previously initialized parser object");
    } else {
        $rss_hash = false;
        $force_refetch = isset($_REQUEST["force_refetch"]);
        foreach ($pluginhost->get_hooks(PluginHost::HOOK_FETCH_FEED) as $plugin) {
            $feed_data = $plugin->hook_fetch_feed($feed_data, $fetch_url, $owner_uid, $feed, $last_article_timestamp, $auth_login, $auth_pass);
        }
        // try cache
        if (!$feed_data && file_exists($cache_filename) && is_readable($cache_filename) && !$auth_login && !$auth_pass && filemtime($cache_filename) > time() - 30) {
            _debug("using local cache [{$cache_filename}].", $debug_enabled);
            @($feed_data = file_get_contents($cache_filename));
            if ($feed_data) {
                $rss_hash = sha1($feed_data);
            }
        } else {
            _debug("local cache will not be used for this feed", $debug_enabled);
        }
        // fetch feed from source
        if (!$feed_data) {
            _debug("fetching [{$fetch_url}]...", $debug_enabled);
            _debug("If-Modified-Since: " . gmdate('D, d M Y H:i:s \\G\\M\\T', $last_article_timestamp), $debug_enabled);
            $feed_data = fetch_file_contents($fetch_url, false, $auth_login, $auth_pass, false, $no_cache ? FEED_FETCH_NO_CACHE_TIMEOUT : FEED_FETCH_TIMEOUT, $force_refetch ? 0 : $last_article_timestamp);
            global $fetch_curl_used;
            if (!$fetch_curl_used) {
                $tmp = @gzdecode($feed_data);
                if ($tmp) {
                    $feed_data = $tmp;
                }
            }
            $feed_data = trim($feed_data);
            _debug("fetch done.", $debug_enabled);
            /* if ($feed_data) {
            					$error = verify_feed_xml($feed_data);
            
            					if ($error) {
            						_debug("error verifying XML, code: " . $error->code, $debug_enabled);
            
            						if ($error->code == 26) {
            							_debug("got error 26, trying to decode entities...", $debug_enabled);
            
            							$feed_data = html_entity_decode($feed_data, ENT_COMPAT, 'UTF-8');
            
            							$error = verify_feed_xml($feed_data);
            
            							if ($error) $feed_data = '';
            						}
            					}
            				} */
            // cache vanilla feed data for re-use
            if ($feed_data && !$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
                $new_rss_hash = sha1($feed_data);
                if ($new_rss_hash != $rss_hash) {
                    _debug("saving {$cache_filename}", $debug_enabled);
                    @file_put_contents($cache_filename, $feed_data);
                }
            }
        }
        if (!$feed_data) {
            global $fetch_last_error;
            global $fetch_last_error_code;
            _debug("unable to fetch: {$fetch_last_error} [{$fetch_last_error_code}]", $debug_enabled);
            $error_escaped = '';
            // If-Modified-Since
            if ($fetch_last_error_code != 304) {
                $error_escaped = db_escape_string($fetch_last_error);
            } else {
                _debug("source claims data not modified, nothing to do.", $debug_enabled);
            }
            db_query("UPDATE ttrss_feeds SET last_error = '{$error_escaped}',\n\t\t\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
            return;
        }
    }
    foreach ($pluginhost->get_hooks(PluginHost::HOOK_FEED_FETCHED) as $plugin) {
        $feed_data = $plugin->hook_feed_fetched($feed_data, $fetch_url, $owner_uid, $feed);
    }
    // set last update to now so if anything *simplepie* crashes later we won't be
    // continuously failing on the same feed
    //db_query("UPDATE ttrss_feeds SET last_updated = NOW() WHERE id = '$feed'");
    if (!$rss) {
        $rss = new FeedParser($feed_data);
        $rss->init();
    }
    if (DETECT_ARTICLE_LANGUAGE) {
        require_once "lib/languagedetect/LanguageDetect.php";
        $lang = new Text_LanguageDetect();
        $lang->setNameMode(2);
    }
    //		print_r($rss);
    $feed = db_escape_string($feed);
    if (!$rss->error()) {
        // We use local pluginhost here because we need to load different per-user feed plugins
        $pluginhost->run_hooks(PluginHost::HOOK_FEED_PARSED, "hook_feed_parsed", $rss);
        _debug("processing feed data...", $debug_enabled);
        //			db_query("BEGIN");
        if (DB_TYPE == "pgsql") {
            $favicon_interval_qpart = "favicon_last_checked < NOW() - INTERVAL '12 hour'";
        } else {
            $favicon_interval_qpart = "favicon_last_checked < DATE_SUB(NOW(), INTERVAL 12 HOUR)";
        }
        $result = db_query("SELECT title,site_url,owner_uid,favicon_avg_color,\n\t\t\t\t(favicon_last_checked IS NULL OR {$favicon_interval_qpart}) AS\n\t\t\t\t\t\tfavicon_needs_check\n\t\t\t\tFROM ttrss_feeds WHERE id = '{$feed}'");
        $registered_title = db_fetch_result($result, 0, "title");
        $orig_site_url = db_fetch_result($result, 0, "site_url");
        $favicon_needs_check = sql_bool_to_bool(db_fetch_result($result, 0, "favicon_needs_check"));
        $favicon_avg_color = db_fetch_result($result, 0, "favicon_avg_color");
        $owner_uid = db_fetch_result($result, 0, "owner_uid");
        $site_url = db_escape_string(mb_substr(rewrite_relative_url($fetch_url, $rss->get_link()), 0, 245));
        _debug("site_url: {$site_url}", $debug_enabled);
        _debug("feed_title: " . $rss->get_title(), $debug_enabled);
        if ($favicon_needs_check || $force_refetch) {
            /* terrible hack: if we crash on floicon shit here, we won't check
             * the icon avgcolor again (unless the icon got updated) */
            $favicon_file = ICONS_DIR . "/{$feed}.ico";
            $favicon_modified = @filemtime($favicon_file);
            _debug("checking favicon...", $debug_enabled);
            check_feed_favicon($site_url, $feed);
            $favicon_modified_new = @filemtime($favicon_file);
            if ($favicon_modified_new > $favicon_modified) {
                $favicon_avg_color = '';
            }
            if (file_exists($favicon_file) && function_exists("imagecreatefromstring") && $favicon_avg_color == '') {
                require_once "colors.php";
                db_query("UPDATE ttrss_feeds SET favicon_avg_color = 'fail' WHERE\n\t\t\t\t\t\t\tid = '{$feed}'");
                $favicon_color = db_escape_string(calculate_avg_color($favicon_file));
                $favicon_colorstring = ",favicon_avg_color = '" . $favicon_color . "'";
            } else {
                if ($favicon_avg_color == 'fail') {
                    _debug("floicon failed on this file, not trying to recalculate avg color", $debug_enabled);
                }
            }
            db_query("UPDATE ttrss_feeds SET favicon_last_checked = NOW()\n\t\t\t\t\t{$favicon_colorstring}\n\t\t\t\t\tWHERE id = '{$feed}'");
        }
        if (!$registered_title || $registered_title == "[Unknown]") {
            $feed_title = db_escape_string(mb_substr($rss->get_title(), 0, 199));
            if ($feed_title) {
                _debug("registering title: {$feed_title}", $debug_enabled);
                db_query("UPDATE ttrss_feeds SET\n\t\t\t\t\t\ttitle = '{$feed_title}' WHERE id = '{$feed}'");
            }
        }
        if ($site_url && $orig_site_url != $site_url) {
            db_query("UPDATE ttrss_feeds SET\n\t\t\t\t\tsite_url = '{$site_url}' WHERE id = '{$feed}'");
        }
        _debug("loading filters & labels...", $debug_enabled);
        $filters = load_filters($feed, $owner_uid);
        $labels = get_all_labels($owner_uid);
        _debug("" . count($filters) . " filters loaded.", $debug_enabled);
        $items = $rss->get_items();
        if (!is_array($items)) {
            _debug("no articles found.", $debug_enabled);
            db_query("UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            _debug("checking for PUSH hub...", $debug_enabled);
            $feed_hub_url = false;
            $links = $rss->get_links('hub');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_hub_url = $l;
                    break;
                }
            }
            _debug("feed hub url: {$feed_hub_url}", $debug_enabled);
            $feed_self_url = $fetch_url;
            $links = $rss->get_links('self');
            if ($links && is_array($links)) {
                foreach ($links as $l) {
                    $feed_self_url = $l;
                    break;
                }
            }
            _debug("feed self url = {$feed_self_url}");
            if ($feed_hub_url && $feed_self_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($feed_self_url);
                _debug("feed hub url found, subscribe request sent. [rc={$rc}]", $debug_enabled);
                db_query("UPDATE ttrss_feeds SET pubsub_state = 1\n\t\t\t\t\t\tWHERE id = '{$feed}'");
            }
        }
        _debug("processing articles...", $debug_enabled);
        foreach ($items as $item) {
            if ($_REQUEST['xdebug'] == 3) {
                print_r($item);
            }
            $entry_guid = $item->get_id();
            if (!$entry_guid) {
                $entry_guid = $item->get_link();
            }
            if (!$entry_guid) {
                $entry_guid = make_guid_from_title($item->get_title());
            }
            if (!$entry_guid) {
                continue;
            }
            $entry_guid = "{$owner_uid},{$entry_guid}";
            $entry_guid_hashed = db_escape_string('SHA1:' . sha1($entry_guid));
            _debug("guid {$entry_guid} / {$entry_guid_hashed}", $debug_enabled);
            $entry_timestamp = "";
            $entry_timestamp = $item->get_date();
            _debug("orig date: " . $item->get_date(), $debug_enabled);
            if ($entry_timestamp == -1 || !$entry_timestamp || $entry_timestamp > time()) {
                $entry_timestamp = time();
            }
            $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
            _debug("date {$entry_timestamp} [{$entry_timestamp_fmt}]", $debug_enabled);
            //				$entry_title = html_entity_decode($item->get_title(), ENT_COMPAT, 'UTF-8');
            //				$entry_title = decode_numeric_entities($entry_title);
            $entry_title = $item->get_title();
            $entry_link = rewrite_relative_url($site_url, $item->get_link());
            _debug("title {$entry_title}", $debug_enabled);
            _debug("link {$entry_link}", $debug_enabled);
            if (!$entry_title) {
                $entry_title = date("Y-m-d H:i:s", $entry_timestamp);
            }
            $entry_content = $item->get_content();
            if (!$entry_content) {
                $entry_content = $item->get_description();
            }
            if ($_REQUEST["xdebug"] == 2) {
                print "content: ";
                print $entry_content;
                print "\n";
            }
            $entry_language = "";
            if (DETECT_ARTICLE_LANGUAGE) {
                $entry_language = $lang->detect($entry_title . " " . $entry_content, 1);
                if (count($entry_language) > 0) {
                    $possible = array_keys($entry_language);
                    $entry_language = $possible[0];
                    _debug("detected language: {$entry_language}", $debug_enabled);
                } else {
                    $entry_language = "";
                }
            }
            $entry_comments = $item->get_comments_url();
            $entry_author = $item->get_author();
            $entry_guid = db_escape_string(mb_substr($entry_guid, 0, 245));
            $entry_comments = db_escape_string(mb_substr(trim($entry_comments), 0, 245));
            $entry_author = db_escape_string(mb_substr(trim($entry_author), 0, 245));
            $num_comments = (int) $item->get_comments_count();
            _debug("author {$entry_author}", $debug_enabled);
            _debug("num_comments: {$num_comments}", $debug_enabled);
            _debug("looking for tags...", $debug_enabled);
            // parse <category> entries into tags
            $additional_tags = array();
            $additional_tags_src = $item->get_categories();
            if (is_array($additional_tags_src)) {
                foreach ($additional_tags_src as $tobj) {
                    array_push($additional_tags, $tobj);
                }
            }
            $entry_tags = array_unique($additional_tags);
            for ($i = 0; $i < count($entry_tags); $i++) {
                $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
            }
            _debug("tags found: " . join(",", $entry_tags), $debug_enabled);
            _debug("done collecting data.", $debug_enabled);
            $result = db_query("SELECT id, content_hash FROM ttrss_entries\n\t\t\t\t\tWHERE guid = '" . db_escape_string($entry_guid) . "' OR guid = '{$entry_guid_hashed}'");
            if (db_num_rows($result) != 0) {
                $base_entry_id = db_fetch_result($result, 0, "id");
                $entry_stored_hash = db_fetch_result($result, 0, "content_hash");
            } else {
                $base_entry_id = false;
                $entry_stored_hash = "";
            }
            $article = array("owner_uid" => $owner_uid, "guid" => $entry_guid, "title" => $entry_title, "content" => $entry_content, "link" => $entry_link, "tags" => $entry_tags, "author" => $entry_author, "language" => $entry_language, "feed" => array("id" => $feed, "fetch_url" => $fetch_url, "site_url" => $site_url));
            $entry_plugin_data = "";
            $entry_current_hash = calculate_article_hash($article, $pluginhost);
            _debug("article hash: {$entry_current_hash} [stored={$entry_stored_hash}]", $debug_enabled);
            if ($entry_current_hash == $entry_stored_hash && !isset($_REQUEST["force_rehash"])) {
                _debug("stored article seems up to date [IID: {$base_entry_id}], updating timestamp only", $debug_enabled);
                // we keep encountering the entry in feeds, so we need to
                // update date_updated column so that we don't get horrible
                // dupes when the entry gets purged and reinserted again e.g.
                // in the case of SLOW SLOW OMG SLOW updating feeds
                $base_entry_id = db_fetch_result($result, 0, "id");
                db_query("UPDATE ttrss_entries SET date_updated = NOW()\n\t\t\t\t\t\tWHERE id = '{$base_entry_id}'");
                // if we allow duplicate posts, we have to continue to
                // create the user entries for this feed
                if (!get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    continue;
                }
            }
            _debug("hash differs, applying plugin filters:", $debug_enabled);
            foreach ($pluginhost->get_hooks(PluginHost::HOOK_ARTICLE_FILTER) as $plugin) {
                _debug("... " . get_class($plugin), $debug_enabled);
                $start = microtime(true);
                $article = $plugin->hook_article_filter($article);
                _debug("=== " . sprintf("%.4f (sec)", microtime(true) - $start), $debug_enabled);
                $entry_plugin_data .= mb_strtolower(get_class($plugin)) . ",";
            }
            $entry_plugin_data = db_escape_string($entry_plugin_data);
            _debug("plugin data: {$entry_plugin_data}", $debug_enabled);
            $entry_tags = $article["tags"];
            $entry_guid = db_escape_string($entry_guid);
            $entry_title = db_escape_string($article["title"]);
            $entry_author = db_escape_string($article["author"]);
            $entry_link = db_escape_string($article["link"]);
            $entry_content = $article["content"];
            // escaped below
            if ($cache_images && is_writable(CACHE_DIR . '/images')) {
                cache_images($entry_content, $site_url, $debug_enabled);
            }
            $entry_content = db_escape_string($entry_content, false);
            db_query("BEGIN");
            $result = db_query("SELECT id FROM\tttrss_entries\n\t\t\t\t\tWHERE (guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}')");
            if (db_num_rows($result) == 0) {
                _debug("base guid [{$entry_guid}] not found", $debug_enabled);
                // base post entry does not exist, create it
                $result = db_query("INSERT INTO ttrss_entries\n\t\t\t\t\t\t\t(title,\n\t\t\t\t\t\t\tguid,\n\t\t\t\t\t\t\tlink,\n\t\t\t\t\t\t\tupdated,\n\t\t\t\t\t\t\tcontent,\n\t\t\t\t\t\t\tcontent_hash,\n\t\t\t\t\t\t\tno_orig_date,\n\t\t\t\t\t\t\tdate_updated,\n\t\t\t\t\t\t\tdate_entered,\n\t\t\t\t\t\t\tcomments,\n\t\t\t\t\t\t\tnum_comments,\n\t\t\t\t\t\t\tplugin_data,\n\t\t\t\t\t\t\tlang,\n\t\t\t\t\t\t\tauthor)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t\t('{$entry_title}',\n\t\t\t\t\t\t\t'{$entry_guid_hashed}',\n\t\t\t\t\t\t\t'{$entry_link}',\n\t\t\t\t\t\t\t'{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\t'{$entry_content}',\n\t\t\t\t\t\t\t'{$entry_current_hash}',\n\t\t\t\t\t\t\tfalse,\n\t\t\t\t\t\t\tNOW(),\n\t\t\t\t\t\t\t'{$date_feed_processed}',\n\t\t\t\t\t\t\t'{$entry_comments}',\n\t\t\t\t\t\t\t'{$num_comments}',\n\t\t\t\t\t\t\t'{$entry_plugin_data}',\n\t\t\t\t\t\t\t'{$entry_language}',\n\t\t\t\t\t\t\t'{$entry_author}')");
                $article_labels = array();
            } else {
                $base_entry_id = db_fetch_result($result, 0, "id");
                $article_labels = get_article_labels($base_entry_id, $owner_uid);
            }
            // now it should exist, if not - bad luck then
            $result = db_query("SELECT id FROM ttrss_entries\n\t\t\t\t\tWHERE guid = '{$entry_guid}' OR guid = '{$entry_guid_hashed}'");
            $entry_ref_id = 0;
            $entry_int_id = 0;
            if (db_num_rows($result) == 1) {
                _debug("base guid found, checking for user record", $debug_enabled);
                $ref_id = db_fetch_result($result, 0, "id");
                $entry_ref_id = $ref_id;
                /* $stored_guid = db_fetch_result($result, 0, "guid");
                					if ($stored_guid != $entry_guid_hashed) {
                						if ($debug_enabled) _debug("upgrading compat guid to hashed one", $debug_enabled);
                
                						db_query("UPDATE ttrss_entries SET guid = '$entry_guid_hashed' WHERE
                							id = '$ref_id'");
                					} */
                // check for user post link to main table
                // do we allow duplicate posts with same GUID in different feeds?
                if (get_pref("ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
                    $dupcheck_qpart = "AND (feed_id = '{$feed}' OR feed_id IS NULL)";
                } else {
                    $dupcheck_qpart = "";
                }
                /* Collect article tags here so we could filter by them: */
                $article_filters = get_article_filters($filters, $entry_title, $entry_content, $entry_link, $entry_timestamp, $entry_author, $entry_tags);
                if ($debug_enabled) {
                    _debug("article filters: ", $debug_enabled);
                    if (count($article_filters) != 0) {
                        print_r($article_filters);
                    }
                }
                if (find_article_filter($article_filters, "filter")) {
                    db_query("COMMIT");
                    // close transaction in progress
                    continue;
                }
                $score = calculate_article_score($article_filters);
                _debug("initial score: {$score}", $debug_enabled);
                $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}'\n\t\t\t\t\t\t\t{$dupcheck_qpart}";
                //					if ($_REQUEST["xdebug"]) print "$query\n";
                $result = db_query($query);
                // okay it doesn't exist - create user entry
                if (db_num_rows($result) == 0) {
                    _debug("user record not found, creating...", $debug_enabled);
                    if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
                        $unread = 'true';
                        $last_read_qpart = 'NULL';
                    } else {
                        $unread = 'false';
                        $last_read_qpart = 'NOW()';
                    }
                    if (find_article_filter($article_filters, 'mark') || $score > 1000) {
                        $marked = 'true';
                    } else {
                        $marked = 'false';
                    }
                    if (find_article_filter($article_filters, 'publish')) {
                        $published = 'true';
                    } else {
                        $published = 'false';
                    }
                    // N-grams
                    if (DB_TYPE == "pgsql" and defined('_NGRAM_TITLE_DUPLICATE_THRESHOLD')) {
                        $result = db_query("SELECT COUNT(*) AS similar FROM\n\t\t\t\t\t\t\t\t\tttrss_entries,ttrss_user_entries\n\t\t\t\t\t\t\t\tWHERE ref_id = id AND updated >= NOW() - INTERVAL '7 day'\n\t\t\t\t\t\t\t\t\tAND similarity(title, '{$entry_title}') >= " . _NGRAM_TITLE_DUPLICATE_THRESHOLD . "\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                        $ngram_similar = db_fetch_result($result, 0, "similar");
                        _debug("N-gram similar results: {$ngram_similar}", $debug_enabled);
                        if ($ngram_similar > 0) {
                            $unread = 'false';
                        }
                    }
                    $last_marked = $marked == 'true' ? 'NOW()' : 'NULL';
                    $last_published = $published == 'true' ? 'NOW()' : 'NULL';
                    $result = db_query("INSERT INTO ttrss_user_entries\n\t\t\t\t\t\t\t\t(ref_id, owner_uid, feed_id, unread, last_read, marked,\n\t\t\t\t\t\t\t\tpublished, score, tag_cache, label_cache, uuid,\n\t\t\t\t\t\t\t\tlast_marked, last_published)\n\t\t\t\t\t\t\tVALUES ('{$ref_id}', '{$owner_uid}', '{$feed}', {$unread},\n\t\t\t\t\t\t\t\t{$last_read_qpart}, {$marked}, {$published}, '{$score}', '', '',\n\t\t\t\t\t\t\t\t'', {$last_marked}, {$last_published})");
                    if (PUBSUBHUBBUB_HUB && $published == 'true') {
                        $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key(-2, false, $owner_uid);
                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                        /* $pubsub_result = */
                        $p->publish_update($rss_link);
                    }
                    $result = db_query("SELECT int_id FROM ttrss_user_entries WHERE\n\t\t\t\t\t\t\t\tref_id = '{$ref_id}' AND owner_uid = '{$owner_uid}' AND\n\t\t\t\t\t\t\t\tfeed_id = '{$feed}' LIMIT 1");
                    if (db_num_rows($result) == 1) {
                        $entry_int_id = db_fetch_result($result, 0, "int_id");
                    }
                } else {
                    _debug("user record FOUND", $debug_enabled);
                    $entry_ref_id = db_fetch_result($result, 0, "ref_id");
                    $entry_int_id = db_fetch_result($result, 0, "int_id");
                }
                _debug("RID: {$entry_ref_id}, IID: {$entry_int_id}", $debug_enabled);
                db_query("UPDATE ttrss_entries\n\t\t\t\t\t\tSET title = '{$entry_title}',\n\t\t\t\t\t\t\tcontent = '{$entry_content}',\n\t\t\t\t\t\t\tcontent_hash = '{$entry_current_hash}',\n\t\t\t\t\t\t\tupdated = '{$entry_timestamp_fmt}',\n\t\t\t\t\t\t\tnum_comments = '{$num_comments}',\n\t\t\t\t\t\t\tplugin_data = '{$entry_plugin_data}',\n\t\t\t\t\t\t\tauthor = '{$entry_author}',\n\t\t\t\t\t\t\tlang = '{$entry_language}'\n\t\t\t\t\t\tWHERE id = '{$ref_id}'");
                if ($mark_unread_on_update) {
                    db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET last_read = null, unread = true WHERE ref_id = '{$ref_id}'");
                }
            }
            db_query("COMMIT");
            _debug("assigning labels...", $debug_enabled);
            assign_article_to_label_filters($entry_ref_id, $article_filters, $owner_uid, $article_labels);
            _debug("looking for enclosures...", $debug_enabled);
            // enclosures
            $enclosures = array();
            $encs = $item->get_enclosures();
            if (is_array($encs)) {
                foreach ($encs as $e) {
                    $e_item = array($e->link, $e->type, $e->length, $e->title, $e->width, $e->height);
                    array_push($enclosures, $e_item);
                }
            }
            if ($debug_enabled) {
                _debug("article enclosures:", $debug_enabled);
                print_r($enclosures);
            }
            db_query("BEGIN");
            //				debugging
            //				db_query("DELETE FROM ttrss_enclosures WHERE post_id = '$entry_ref_id'");
            foreach ($enclosures as $enc) {
                $enc_url = db_escape_string($enc[0]);
                $enc_type = db_escape_string($enc[1]);
                $enc_dur = db_escape_string($enc[2]);
                $enc_title = db_escape_string($enc[3]);
                $enc_width = intval($enc[4]);
                $enc_height = intval($enc[5]);
                $result = db_query("SELECT id FROM ttrss_enclosures\n\t\t\t\t\t\tWHERE content_url = '{$enc_url}' AND post_id = '{$entry_ref_id}'");
                if (db_num_rows($result) == 0) {
                    db_query("INSERT INTO ttrss_enclosures\n\t\t\t\t\t\t\t(content_url, content_type, title, duration, post_id, width, height) VALUES\n\t\t\t\t\t\t\t('{$enc_url}', '{$enc_type}', '{$enc_title}', '{$enc_dur}', '{$entry_ref_id}', {$enc_width}, {$enc_height})");
                }
            }
            db_query("COMMIT");
            // check for manual tags (we have to do it here since they're loaded from filters)
            foreach ($article_filters as $f) {
                if ($f["type"] == "tag") {
                    $manual_tags = trim_array(explode(",", $f["param"]));
                    foreach ($manual_tags as $tag) {
                        if (tag_is_valid($tag)) {
                            array_push($entry_tags, $tag);
                        }
                    }
                }
            }
            // Skip boring tags
            $boring_tags = trim_array(explode(",", mb_strtolower(get_pref('BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
            $filtered_tags = array();
            $tags_to_cache = array();
            if ($entry_tags && is_array($entry_tags)) {
                foreach ($entry_tags as $tag) {
                    if (array_search($tag, $boring_tags) === false) {
                        array_push($filtered_tags, $tag);
                    }
                }
            }
            $filtered_tags = array_unique($filtered_tags);
            if ($debug_enabled) {
                _debug("filtered article tags:", $debug_enabled);
                print_r($filtered_tags);
            }
            // Save article tags in the database
            if (count($filtered_tags) > 0) {
                db_query("BEGIN");
                foreach ($filtered_tags as $tag) {
                    $tag = sanitize_tag($tag);
                    $tag = db_escape_string($tag);
                    if (!tag_is_valid($tag)) {
                        continue;
                    }
                    $result = db_query("SELECT id FROM ttrss_tags\n\t\t\t\t\t\t\tWHERE tag_name = '{$tag}' AND post_int_id = '{$entry_int_id}' AND\n\t\t\t\t\t\t\towner_uid = '{$owner_uid}' LIMIT 1");
                    if ($result && db_num_rows($result) == 0) {
                        db_query("INSERT INTO ttrss_tags\n\t\t\t\t\t\t\t\t\t(owner_uid,tag_name,post_int_id)\n\t\t\t\t\t\t\t\t\tVALUES ('{$owner_uid}','{$tag}', '{$entry_int_id}')");
                    }
                    array_push($tags_to_cache, $tag);
                }
                /* update the cache */
                $tags_to_cache = array_unique($tags_to_cache);
                $tags_str = db_escape_string(join(",", $tags_to_cache));
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET tag_cache = '{$tags_str}' WHERE ref_id = '{$entry_ref_id}'\n\t\t\t\t\t\tAND owner_uid = {$owner_uid}");
                db_query("COMMIT");
            }
            if (get_pref("AUTO_ASSIGN_LABELS", $owner_uid, false)) {
                _debug("auto-assigning labels...", $debug_enabled);
                foreach ($labels as $label) {
                    $caption = preg_quote($label["caption"]);
                    if ($caption && preg_match("/\\b{$caption}\\b/i", "{$tags_str} " . strip_tags($entry_content) . " {$entry_title}")) {
                        if (!labels_contains_caption($article_labels, $caption)) {
                            label_add_article($entry_ref_id, $caption, $owner_uid);
                        }
                    }
                }
            }
            _debug("article processed", $debug_enabled);
        }
        _debug("purging feed...", $debug_enabled);
        purge_feed($feed, 0, $debug_enabled);
        db_query("UPDATE ttrss_feeds\n\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
        //			db_query("COMMIT");
    } else {
        $error_msg = db_escape_string(mb_substr($rss->error(), 0, 245));
        _debug("fetch error: {$error_msg}", $debug_enabled);
        if (count($rss->errors()) > 1) {
            foreach ($rss->errors() as $error) {
                _debug("+ {$error}");
            }
        }
        db_query("UPDATE ttrss_feeds SET last_error = '{$error_msg}',\n\t\t\t\tlast_updated = NOW() WHERE id = '{$feed}'");
        unset($rss);
    }
    _debug("done", $debug_enabled);
    return $rss;
}