PHP qa_tagstring_to_tags函数代码示例

 public function index_post($postid, $type, $questionid, $parentid, $title, $content, $format, $text, $tagstring, $categoryid)
 {
     require_once QA_INCLUDE_DIR . 'db/post-create.php';
     //	Get words from each textual element
     $titlewords = array_unique(qa_string_to_words($title));
     $contentcount = array_count_values(qa_string_to_words($text));
     $tagwords = array_unique(qa_string_to_words($tagstring));
     $wholetags = array_unique(qa_tagstring_to_tags($tagstring));
     //	Map all words to their word IDs
     $words = array_unique(array_merge($titlewords, array_keys($contentcount), $tagwords, $wholetags));
     $wordtoid = qa_db_word_mapto_ids_add($words);
     //	Add to title words index
     $titlewordids = qa_array_filter_by_keys($wordtoid, $titlewords);
     qa_db_titlewords_add_post_wordids($postid, $titlewordids);
     //	Add to content words index (including word counts)
     $contentwordidcounts = array();
     foreach ($contentcount as $word => $count) {
         if (isset($wordtoid[$word])) {
             $contentwordidcounts[$wordtoid[$word]] = $count;
         }
     }
     qa_db_contentwords_add_post_wordidcounts($postid, $type, $questionid, $contentwordidcounts);
     //	Add to tag words index
     $tagwordids = qa_array_filter_by_keys($wordtoid, $tagwords);
     qa_db_tagwords_add_post_wordids($postid, $tagwordids);
     //	Add to whole tags index
     $wholetagids = qa_array_filter_by_keys($wordtoid, $wholetags);
     qa_db_posttags_add_post_wordids($postid, $wholetagids);
     //	Update counts cached in database (will be skipped if qa_suspend_update_counts() was called
     qa_db_word_titlecount_update($titlewordids);
     qa_db_word_contentcount_update(array_keys($contentwordidcounts));
     qa_db_word_tagwordcount_update($tagwordids);
     qa_db_word_tagcount_update($wholetagids);
     qa_db_tagcount_update();
 }

function qa_create_event_for_tags($tagstring, $questionid, $updatetype, $lastuserid, $timestamp = null)
{
    require_once QA_INCLUDE_DIR . 'util/string.php';
    require_once QA_INCLUDE_DIR . 'db/post-create.php';
    $tagwordids = qa_db_word_mapto_ids(array_unique(qa_tagstring_to_tags($tagstring)));
    foreach ($tagwordids as $wordid) {
        qa_db_event_create_for_entity(QA_ENTITY_TAG, $wordid, $questionid, $questionid, $updatetype, $lastuserid, $timestamp);
    }
}

 function process_event($event, $userid, $handle, $cookieid, $params)
 {
     // only interested in q_post & q_edit
     if ($event != 'q_post' && $event != 'q_edit') {
         return;
     }
     // get config data
     $config = qa_opt('tag_synonyms');
     if (!$config) {
         return;
     }
     $oldtags = qa_tagstring_to_tags($params['tags']);
     $synonyms = $this->_synonyms_to_array($config);
     $newtags = $this->_convert_tags($oldtags, $synonyms);
     // updating content would trigger another event, so we suspend events to avoid an infinite loop
     qa_suspend_event_reports(true);
     qa_post_set_content($params['postid'], $params['title'], $params['content'], $params['format'], $newtags);
     qa_suspend_event_reports(false);
 }

function qa_post_set_content($postid, $title, $content, $format = null, $tags = null, $notify = null, $email = null, $byuserid = null)
{
    $oldpost = qa_post_get_full($postid, 'QAC');
    if (!isset($title)) {
        $title = $oldpost['title'];
    }
    if (!isset($content)) {
        $content = $oldpost['content'];
    }
    if (!isset($format)) {
        $format = $oldpost['format'];
    }
    if (!isset($tags)) {
        $tags = qa_tagstring_to_tags($oldpost['tags']);
    }
    if (isset($notify) || isset($email)) {
        $setnotify = qa_combine_notify_email($oldpost['userid'], isset($notify) ? $notify : isset($oldpost['notify']), isset($email) ? $email : $oldpost['notify']);
    } else {
        $setnotify = $oldpost['notify'];
    }
    $byhandle = qa_post_userid_to_handle($byuserid);
    $text = qa_post_content_to_text($content, $format);
    switch ($oldpost['basetype']) {
        case 'Q':
            $tagstring = qa_post_tags_to_tagstring($tags);
            qa_question_set_content($oldpost, $title, $content, $format, $text, $tagstring, $setnotify, $byuserid, $byhandle, null);
            break;
        case 'A':
            $question = qa_post_get_full($oldpost['parentid'], 'Q');
            qa_answer_set_content($oldpost, $content, $format, $text, $setnotify, $byuserid, $byhandle, null, $question);
            break;
        case 'C':
            $parentpost = qa_post_get_full($oldpost['parentid'], 'QA');
            $question = qa_post_parent_to_question($parentpost);
            $answer = qa_post_parent_to_answer($parentpost);
            qa_comment_set_content($oldpost, $content, $format, $text, $setnotify, $byuserid, $byhandle, null, $question, $answer);
            break;
    }
}

function qa_page_q_edit_q_submit($question, $answers, $commentsfollows, $closepost, &$in, &$errors)
{
    $in = array();
    if ($question['editable']) {
        $in['title'] = qa_post_text('q_title');
        qa_get_post_content('q_editor', 'q_content', $in['editor'], $in['content'], $in['format'], $in['text']);
        $in['extra'] = qa_opt('extra_field_active') ? qa_post_text('q_extra') : null;
    }
    if ($question['retagcatable']) {
        if (qa_using_tags()) {
            $in['tags'] = qa_get_tags_field_value('q_tags');
        }
        if (qa_using_categories()) {
            $in['categoryid'] = qa_get_category_field_value('q_category');
        }
    }
    if (array_key_exists('categoryid', $in)) {
        // need to check if we can move it to that category, and if we need moderation
        $categories = qa_db_select_with_pending(qa_db_category_nav_selectspec($in['categoryid'], true));
        $categoryids = array_keys(qa_category_path($categories, $in['categoryid']));
        $userlevel = qa_user_level_for_categories($categoryids);
    } else {
        $userlevel = null;
    }
    if ($question['isbyuser']) {
        $in['name'] = qa_post_text('q_name');
        $in['notify'] = qa_post_text('q_notify') ? true : false;
        $in['email'] = qa_post_text('q_email');
    }
    if (!qa_user_post_permit_error('permit_edit_silent', $question)) {
        $in['silent'] = qa_post_text('q_silent');
    }
    // here the $in array only contains values for parts of the form that were displayed, so those are only ones checked by filters
    $errors = array();
    if (!qa_check_form_security_code('edit-' . $question['postid'], qa_post_text('code'))) {
        $errors['page'] = qa_lang_html('misc/form_security_again');
    } else {
        $in['queued'] = qa_opt('moderate_edited_again') && qa_user_moderation_reason($userlevel);
        $filtermodules = qa_load_modules_with('filter', 'filter_question');
        foreach ($filtermodules as $filtermodule) {
            $oldin = $in;
            $filtermodule->filter_question($in, $errors, $question);
            if ($question['editable']) {
                qa_update_post_text($in, $oldin);
            }
        }
        if (array_key_exists('categoryid', $in) && strcmp($in['categoryid'], $question['categoryid'])) {
            if (qa_user_permit_error('permit_post_q', null, $userlevel)) {
                $errors['categoryid'] = qa_lang_html('question/category_ask_not_allowed');
            }
        }
        if (empty($errors)) {
            $userid = qa_get_logged_in_userid();
            $handle = qa_get_logged_in_handle();
            $cookieid = qa_cookie_get();
            // now we fill in the missing values in the $in array, so that we have everything we need for qa_question_set_content()
            // we do things in this way to avoid any risk of a validation failure on elements the user can't see (e.g. due to admin setting changes)
            if (!$question['editable']) {
                $in['title'] = $question['title'];
                $in['content'] = $question['content'];
                $in['format'] = $question['format'];
                $in['text'] = qa_viewer_text($in['content'], $in['format']);
                $in['extra'] = $question['extra'];
            }
            if (!isset($in['tags'])) {
                $in['tags'] = qa_tagstring_to_tags($question['tags']);
            }
            if (!array_key_exists('categoryid', $in)) {
                $in['categoryid'] = $question['categoryid'];
            }
            if (!isset($in['silent'])) {
                $in['silent'] = false;
            }
            $setnotify = $question['isbyuser'] ? qa_combine_notify_email($question['userid'], $in['notify'], $in['email']) : $question['notify'];
            qa_question_set_content($question, $in['title'], $in['content'], $in['format'], $in['text'], qa_tags_to_tagstring($in['tags']), $setnotify, $userid, $handle, $cookieid, $in['extra'], @$in['name'], $in['queued'], $in['silent']);
            if (qa_using_categories() && strcmp($in['categoryid'], $question['categoryid'])) {
                qa_question_set_category($question, $in['categoryid'], $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost, $in['silent']);
            }
            return true;
        }
    }
    return false;
}

function qa_page_q_prepare_post_for_filters($post)
{
    $in = array('content' => $post['content'], 'format' => $post['format'], 'text' => qa_viewer_text($post['content'], $post['format']), 'notify' => isset($post['notify']), 'email' => qa_email_validate($post['notify']) ? $post['notify'] : null, 'queued' => qa_user_moderation_reason(qa_user_level_for_post($post)) !== false);
    if ($post['basetype'] == 'Q') {
        $in['title'] = $post['title'];
        $in['tags'] = qa_tagstring_to_tags($post['tags']);
        $in['categoryid'] = $post['categoryid'];
        $in['extra'] = $post['extra'];
    }
    return $in;
}

 function qw_notify_emails_selectspec($userid, $tags, $categoryid)
 {
     if (file_exists(QW_CONTROL_DIR . '/addons/notification/functions.php')) {
         require_once QW_CONTROL_DIR . '/addons/notification/functions.php';
         if (notify_addon_enabled_from_admin_panel()) {
             //proceed only if the plugin is enabled
             require_once QA_INCLUDE_DIR . 'qa-app-updates.php';
             $source = '';
             $arguments = array();
             if (!!qa_opt('qw_notify_user_followers')) {
                 $source .= !!$source ? ' UNION ' : '';
                 $source .= "( SELECT ^users.userid , 'q_post_user_fl' as event , ^userpoints.points from ^users JOIN ^userpoints ON ^users.userid=^userpoints.userid JOIN ^userfavorites ON ^users.userid=^userfavorites.userid WHERE ^userfavorites.entityid=\$ AND ^userfavorites.entitytype=\$  AND ^users.email !=\$ )";
                 $args = array($userid, QA_ENTITY_USER, qa_get_logged_in_user_field('email'));
                 $arguments = array_merge($arguments, $args);
             }
             if (!!qa_opt('qw_notify_tag_followers') && !!$tags) {
                 $source .= !!$source ? ' UNION ' : '';
                 $source .= "( SELECT ^users.userid , 'q_post_tag_fl' as event , ^userpoints.points from ^users JOIN ^userpoints ON ^users.userid=^userpoints.userid JOIN ^userfavorites ON ^userfavorites.userid=^users.userid WHERE ^userfavorites.entityid IN \n\t\t                            ( SELECT wordid from ^words where ^words.word IN (\$) ) AND ^userfavorites.entitytype=\$ AND ^users.email !=\$ )";
                 $args = array(qa_tagstring_to_tags($tags), QA_ENTITY_TAG, qa_get_logged_in_user_field('email'));
                 $arguments = array_merge($arguments, $args);
             }
             if (!!qa_opt('qw_notify_cat_followers') && !!$categoryid) {
                 $source .= !!$source ? ' UNION ' : '';
                 $source .= "( SELECT ^users.userid , 'q_post_cat_fl' as event , ^userpoints.points from ^users JOIN ^userpoints ON ^users.userid=^userpoints.userid JOIN ^userfavorites ON ^userfavorites.userid=^users.userid " . " WHERE ^userfavorites.entityid=\$ AND ^userfavorites.entitytype=\$ AND ^users.email !=\$ )";
                 $args = array($categoryid, QA_ENTITY_CATEGORY, qa_get_logged_in_user_field('email'));
                 $arguments = array_merge($arguments, $args);
             }
             $where_clause = '';
             if (!!qa_opt('qw_notify_min_points_opt')) {
                 //generate where clause
                 $min_user_points = qa_opt('qw_notify_min_points_val');
                 $where_clause = !!$min_user_points && $min_user_points > 0 ? ' WHERE result.points > ' . $min_user_points : '';
             }
             return array('columns' => array(' * '), 'source' => ' ( ' . $source . ' ) as result ' . $where_clause, 'arguments' => $arguments, 'sortasc' => 'title');
         }
         //if plugin is enabled
     }
 }

function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $options = array())
{
    if (qa_to_override(__FUNCTION__)) {
        $args = func_get_args();
        return qa_call_override(__FUNCTION__, $args);
    }
    require_once QA_INCLUDE_DIR . 'app/updates.php';
    if (isset($options['blockwordspreg'])) {
        require_once QA_INCLUDE_DIR . 'util/string.php';
    }
    $fields = array('raw' => $post);
    //	Useful stuff used throughout function
    $postid = $post['postid'];
    $isquestion = $post['basetype'] == 'Q';
    $isanswer = $post['basetype'] == 'A';
    $isbyuser = qa_post_is_by_user($post, $userid, $cookieid);
    $anchor = urlencode(qa_anchor($post['basetype'], $postid));
    $elementid = isset($options['elementid']) ? $options['elementid'] : $anchor;
    $microformats = @$options['microformats'];
    $isselected = @$options['isselected'];
    $favoritedview = @$options['favoritedview'];
    $favoritemap = $favoritedview ? qa_get_favorite_non_qs_map() : array();
    //	High level information
    $fields['hidden'] = @$post['hidden'];
    $fields['tags'] = 'id="' . qa_html($elementid) . '"';
    $fields['classes'] = $isquestion && $favoritedview && @$post['userfavoriteq'] ? 'qa-q-favorited' : '';
    if ($isquestion && isset($post['closedbyid'])) {
        $fields['classes'] = ltrim($fields['classes'] . ' qa-q-closed');
    }
    if ($microformats) {
        $fields['classes'] .= ' hentry ' . ($isquestion ? 'question' : ($isanswer ? $isselected ? 'answer answer-selected' : 'answer' : 'comment'));
    }
    //	Question-specific stuff (title, URL, tags, answer count, category)
    if ($isquestion) {
        if (isset($post['title'])) {
            $fields['url'] = qa_q_path_html($postid, $post['title']);
            if (isset($options['blockwordspreg'])) {
                $post['title'] = qa_block_words_replace($post['title'], $options['blockwordspreg']);
            }
            $fields['title'] = qa_html($post['title']);
            if ($microformats) {
                $fields['title'] = '<span class="entry-title">' . $fields['title'] . '</span>';
            }
            /*if (isset($post['score'])) // useful for setting match thresholds
            		$fields['title'].=' <small>('.$post['score'].')</small>';*/
        }
        if (@$options['tagsview'] && isset($post['tags'])) {
            $fields['q_tags'] = array();
            $tags = qa_tagstring_to_tags($post['tags']);
            foreach ($tags as $tag) {
                if (isset($options['blockwordspreg']) && count(qa_block_words_match_all($tag, $options['blockwordspreg']))) {
                    // skip censored tags
                    continue;
                }
                $fields['q_tags'][] = qa_tag_html($tag, $microformats, @$favoritemap['tag'][qa_strtolower($tag)]);
            }
        }
        if (@$options['answersview'] && isset($post['acount'])) {
            $fields['answers_raw'] = $post['acount'];
            $fields['answers'] = $post['acount'] == 1 ? qa_lang_html_sub_split('main/1_answer', '1', '1') : qa_lang_html_sub_split('main/x_answers', number_format($post['acount']));
            $fields['answer_selected'] = isset($post['selchildid']);
        }
        if (@$options['viewsview'] && isset($post['views'])) {
            $fields['views_raw'] = $post['views'];
            $fields['views'] = $post['views'] == 1 ? qa_lang_html_sub_split('main/1_view', '1', '1') : qa_lang_html_sub_split('main/x_views', number_format($post['views']));
        }
        if (@$options['categoryview'] && isset($post['categoryname']) && isset($post['categorybackpath'])) {
            $favoriteclass = '';
            if (count(@$favoritemap['category'])) {
                if (@$favoritemap['category'][$post['categorybackpath']]) {
                    $favoriteclass = ' qa-cat-favorited';
                } else {
                    foreach ($favoritemap['category'] as $categorybackpath => $dummy) {
                        if (substr('/' . $post['categorybackpath'], -strlen($categorybackpath)) == $categorybackpath) {
                            $favoriteclass = ' qa-cat-parent-favorited';
                        }
                    }
                }
            }
            $fields['where'] = qa_lang_html_sub_split('main/in_category_x', '<a href="' . qa_path_html(@$options['categorypathprefix'] . implode('/', array_reverse(explode('/', $post['categorybackpath'])))) . '" class="qa-category-link' . $favoriteclass . '">' . qa_html($post['categoryname']) . '</a>');
        }
    }
    //	Answer-specific stuff (selection)
    if ($isanswer) {
        $fields['selected'] = $isselected;
        if ($isselected) {
            $fields['select_text'] = qa_lang_html('question/select_text');
        }
    }
    //	Post content
    if (@$options['contentview'] && isset($post['content'])) {
        $viewer = qa_load_viewer($post['content'], $post['format']);
        $fields['content'] = $viewer->get_html($post['content'], $post['format'], array('blockwordspreg' => @$options['blockwordspreg'], 'showurllinks' => @$options['showurllinks'], 'linksnewwindow' => @$options['linksnewwindow']));
        if ($microformats) {
            $fields['content'] = '<div class="entry-content">' . $fields['content'] . '</div>';
        }
        $fields['content'] = '<a name="' . qa_html($postid) . '"></a>' . $fields['content'];
        // this is for backwards compatibility with any existing links using the old style of anchor
        // that contained the post id only (changed to be valid under W3C specifications)
    }
//.........这里部分代码省略.........

    $qa_content['hidden'] = true;
}
qa_sort_by($commentsfollows, 'created');
//	Prepare content for the question...
if ($formtype == 'q_edit') {
    // ...in edit mode
    $qa_content['title'] = qa_lang_html($question['editable'] ? 'question/edit_q_title' : (qa_using_categories() ? 'question/recat_q_title' : 'question/retag_q_title'));
    $qa_content['form_q_edit'] = qa_page_q_edit_q_form($qa_content, $question, @$qin, @$qerrors, $completetags, $categories);
    $qa_content['q_view']['raw'] = $question;
} else {
    // ...in view mode
    $qa_content['q_view'] = qa_page_q_question_view($question, $parentquestion, $closepost, $usershtml, $formrequested);
    $qa_content['title'] = $qa_content['q_view']['title'];
    $qa_content['description'] = qa_html(qa_shorten_string_line(qa_viewer_text($question['content'], $question['format']), 150));
    $categorykeyword = @$categories[$question['categoryid']]['title'];
    $qa_content['keywords'] = qa_html(implode(',', array_merge(qa_using_categories() && strlen($categorykeyword) ? array($categorykeyword) : array(), qa_tagstring_to_tags($question['tags']))));
    // as far as I know, META keywords have zero effect on search rankings or listings, but many people have asked for this
}
$microdata = qa_opt('use_microdata');
if ($microdata) {
    $qa_content['head_lines'][] = '<meta itemprop="name" content="' . qa_html($qa_content['q_view']['raw']['title']) . '">';
    $qa_content['html_tags'] = ' itemscope itemtype="http://schema.org/QAPage"';
    $qa_content['main_tags'] = ' itemscope itemtype="http://schema.org/Question"';
}
//	Prepare content for an answer being edited (if any) or to be added
if ($formtype == 'a_edit') {
    $qa_content['a_form'] = qa_page_q_edit_a_form($qa_content, 'a' . $formpostid, $answers[$formpostid], $question, $answers, $commentsfollows, @$aeditin[$formpostid], @$aediterrors[$formpostid]);
    $qa_content['a_form']['c_list'] = qa_page_q_comment_follow_list($question, $answers[$formpostid], $commentsfollows, true, $usershtml, $formrequested, $formpostid);
    $jumptoanchor = 'a' . $formpostid;
} elseif ($formtype == 'a_add' || $question['answerbutton'] && !$formrequested) {
    $qa_content['a_form'] = qa_page_q_add_a_form($qa_content, 'anew', $captchareason, $question, @$anewin, @$anewerrors, $formtype == 'a_add', $formrequested);

 public function test__qa_tagstring_to_tags()
 {
     $test = qa_tagstring_to_tags('hello,world');
     $expected = array('hello', 'world');
     $this->assertEquals($expected, $test);
 }

require_once QA_INCLUDE_DIR . 'qa-db-selects.php';
require_once QA_INCLUDE_DIR . 'qa-util-string.php';
//	Collect the information we need from the database
$intitle = qa_post_text('title');
$doaskcheck = qa_opt('do_ask_check_qs');
$doexampletags = qa_using_tags() && qa_opt('do_example_tags');
if ($doaskcheck || $doexampletags) {
    $countqs = max($doexampletags ? QA_DB_RETRIEVE_ASK_TAG_QS : 0, $doaskcheck ? qa_opt('page_size_ask_check_qs') : 0);
    $relatedquestions = qa_db_select_with_pending(qa_db_search_posts_selectspec(null, qa_string_to_words($intitle), null, null, null, null, 0, false, $countqs));
}
//	Collect example tags if appropriate
if ($doexampletags) {
    require_once QA_INCLUDE_DIR . 'qa-app-format.php';
    $tagweight = array();
    foreach ($relatedquestions as $question) {
        $tags = qa_tagstring_to_tags($question['tags']);
        foreach ($tags as $tag) {
            @($tagweight[$tag] += exp($question['score']));
        }
    }
    arsort($tagweight, SORT_NUMERIC);
    $exampletags = array();
    $minweight = exp(qa_match_to_min_score(qa_opt('match_example_tags')));
    $maxcount = qa_opt('page_size_ask_tags');
    foreach ($tagweight as $tag => $weight) {
        if ($weight < $minweight) {
            break;
        }
        $exampletags[] = $tag;
        if (count($exampletags) >= $maxcount) {
            break;

function qa_page_q_edit_q_submit($question, $answers, $commentsfollows, $closepost, &$in, &$errors)
{
    $in = array();
    if ($question['editable']) {
        $in['title'] = qa_post_text('q_title');
        qa_get_post_content('q_editor', 'q_content', $in['editor'], $in['content'], $in['format'], $in['text']);
        $in['extra'] = qa_opt('extra_field_active') ? qa_post_text('q_extra') : null;
    }
    if ($question['retagcatable']) {
        if (qa_using_tags()) {
            $in['tags'] = qa_get_tags_field_value('q_tags');
        }
        if (qa_using_categories()) {
            $in['categoryid'] = qa_get_category_field_value('q_category');
        }
    }
    if ($question['isbyuser']) {
        $in['notify'] = qa_post_text('q_notify') ? true : false;
        $in['email'] = qa_post_text('q_email');
    }
    // here the $in array only contains values for parts of the form that were displayed, so those are only ones checked by filters
    $errors = array();
    $filtermodules = qa_load_modules_with('filter', 'filter_question');
    foreach ($filtermodules as $filtermodule) {
        $oldin = $in;
        $filtermodule->filter_question($in, $errors, $question);
        if ($question['editable']) {
            qa_update_post_text($in, $oldin);
        }
    }
    if (empty($errors)) {
        $userid = qa_get_logged_in_userid();
        $handle = qa_get_logged_in_handle();
        $cookieid = qa_cookie_get();
        // now we fill in the missing values in the $in array, so that we have everything we need for qa_question_set_content()
        // we do things in this way to avoid any risk of a validation failure on elements the user can't see (e.g. due to admin setting changes)
        if (!$question['editable']) {
            $in['title'] = $question['title'];
            $in['content'] = $question['content'];
            $in['format'] = $question['format'];
            $in['text'] = qa_viewer_text($in['content'], $in['format']);
            $in['extra'] = $question['extra'];
        }
        if (!isset($in['tags'])) {
            $in['tags'] = qa_tagstring_to_tags($question['tags']);
        }
        if (!array_key_exists('categoryid', $in)) {
            $in['categoryid'] = $question['categoryid'];
        }
        $setnotify = $question['isbyuser'] ? qa_combine_notify_email($question['userid'], $in['notify'], $in['email']) : $question['notify'];
        qa_question_set_content($question, $in['title'], $in['content'], $in['format'], $in['text'], qa_tags_to_tagstring($in['tags']), $setnotify, $userid, $handle, $cookieid, $in['extra']);
        if (qa_using_categories() && strcmp($in['categoryid'], $question['categoryid'])) {
            qa_question_set_category($question, $in['categoryid'], $userid, $handle, $cookieid, $answers, $commentsfollows, $closepost);
        }
        return true;
    }
    return false;
}

function qa_post_index($postid, $type, $questionid, $title, $text, $tagstring, $skipcounts = false)
{
    global $qa_post_indexing_suspended;
    if ($qa_post_indexing_suspended > 0) {
        return;
    }
    //	Get words from each textual element
    $titlewords = array_unique(qa_string_to_words($title));
    $contentcount = array_count_values(qa_string_to_words($text));
    $tagwords = array_unique(qa_string_to_words($tagstring));
    $wholetags = array_unique(qa_tagstring_to_tags($tagstring));
    //	Map all words to their word IDs
    $words = array_unique(array_merge($titlewords, array_keys($contentcount), $tagwords, $wholetags));
    $wordtoid = qa_db_word_mapto_ids_add($words);
    //	Add to title words index
    $titlewordids = qa_array_filter_by_keys($wordtoid, $titlewords);
    qa_db_titlewords_add_post_wordids($postid, $titlewordids);
    //	Add to content words index (including word counts)
    $contentwordidcounts = array();
    foreach ($contentcount as $word => $count) {
        if (isset($wordtoid[$word])) {
            $contentwordidcounts[$wordtoid[$word]] = $count;
        }
    }
    qa_db_contentwords_add_post_wordidcounts($postid, $type, $questionid, $contentwordidcounts);
    //	Add to tag words index
    $tagwordids = qa_array_filter_by_keys($wordtoid, $tagwords);
    qa_db_tagwords_add_post_wordids($postid, $tagwordids);
    //	Add to whole tags index
    $wholetagids = qa_array_filter_by_keys($wordtoid, $wholetags);
    qa_db_posttags_add_post_wordids($postid, $wholetagids);
    //	Update counts cached in database
    if (!$skipcounts) {
        qa_db_word_titlecount_update($titlewordids);
        qa_db_word_contentcount_update(array_keys($contentwordidcounts));
        qa_db_word_tagwordcount_update($tagwordids);
        qa_db_word_tagcount_update($wholetagids);
        qa_db_tagcount_update();
    }
}

function qa_post_html_fields($post, $userid, $cookieid, $usershtml, $dummy, $options = array())
{
    if (isset($options['blockwordspreg'])) {
        require_once QA_INCLUDE_DIR . 'qa-util-string.php';
    }
    $fields = array();
    $fields['raw'] = $post;
    //	Useful stuff used throughout function
    $postid = $post['postid'];
    $isquestion = $post['basetype'] == 'Q';
    $isanswer = $post['basetype'] == 'A';
    $isbyuser = qa_post_is_by_user($post, $userid, $cookieid);
    $anchor = urlencode(qa_anchor($post['basetype'], $postid));
    $microformats = @$options['microformats'];
    $isselected = @$options['isselected'];
    //	High level information
    $fields['hidden'] = $post['hidden'];
    $fields['tags'] = 'ID="' . $anchor . '"';
    if ($microformats) {
        $fields['classes'] = 'hentry ' . ($isquestion ? 'question' : ($isanswer ? $isselected ? 'answer answer-selected' : 'answer' : 'comment'));
    }
    //	Question-specific stuff (title, URL, tags, answer count, category)
    if ($isquestion) {
        if (isset($post['title'])) {
            if (isset($options['blockwordspreg'])) {
                $post['title'] = qa_block_words_replace($post['title'], $options['blockwordspreg']);
            }
            $fields['title'] = qa_html($post['title']);
            if ($microformats) {
                $fields['title'] = '<SPAN CLASS="entry-title">' . $fields['title'] . '</SPAN>';
            }
            $fields['url'] = qa_path_html(qa_q_request($postid, $post['title']));
            /*if (isset($post['score'])) // useful for setting match thresholds
            		$fields['title'].=' <SMALL>('.$post['score'].')</SMALL>';*/
        }
        if (@$options['tagsview'] && isset($post['tags'])) {
            $fields['q_tags'] = array();
            $tags = qa_tagstring_to_tags($post['tags']);
            foreach ($tags as $tag) {
                if (isset($options['blockwordspreg']) && count(qa_block_words_match_all($tag, $options['blockwordspreg']))) {
                    // skip censored tags
                    continue;
                }
                $fields['q_tags'][] = qa_tag_html($tag, $microformats);
            }
        }
        if (@$options['answersview'] && isset($post['acount'])) {
            $fields['answers_raw'] = $post['acount'];
            $fields['answers'] = $post['acount'] == 1 ? qa_lang_html_sub_split('main/1_answer', '1', '1') : qa_lang_html_sub_split('main/x_answers', number_format($post['acount']));
            $fields['answer_selected'] = isset($post['selchildid']);
        }
        if (@$options['viewsview'] && isset($post['views'])) {
            $fields['views_raw'] = $post['views'];
            $fields['views'] = $post['views'] == 1 ? qa_lang_html_sub_split('main/1_view', '1', '1') : qa_lang_html_sub_split('main/x_views', number_format($post['views']));
        }
        if (isset($post['categoryname']) && isset($post['categorybackpath'])) {
            $fields['where'] = qa_lang_html_sub_split('main/in_category_x', '<A HREF="' . qa_path_html(@$options['categorypathprefix'] . implode('/', array_reverse(explode('/', $post['categorybackpath'])))) . '" CLASS="qa-category-link">' . qa_html($post['categoryname']) . '</A>');
        }
    }
    //	Answer-specific stuff (selection)
    if ($isanswer) {
        $fields['selected'] = $isselected;
        if ($isselected) {
            $fields['select_text'] = qa_lang_html('question/select_text');
        }
    }
    //	Post content
    if (!empty($post['content'])) {
        $viewer = qa_load_viewer($post['content'], $post['format']);
        $fields['content'] = $viewer->get_html($post['content'], $post['format'], array('blockwordspreg' => @$options['blockwordspreg'], 'showurllinks' => @$options['showurllinks'], 'linksnewwindow' => @$options['linksnewwindow']));
        if ($microformats) {
            $fields['content'] = '<SPAN CLASS="entry-content">' . $fields['content'] . '</SPAN>';
        }
        $fields['content'] = '<A NAME="' . qa_html($postid) . '"></A>' . $fields['content'];
        // this is for backwards compatibility with any existing links using the old style of anchor
        // that contained the post id only (changed to be valid under W3C specifications)
    }
    //	Voting stuff
    if (@$options['voteview']) {
        $voteview = $options['voteview'];
        //	Calculate raw values and pass through
        $upvotes = (int) @$post['upvotes'];
        $downvotes = (int) @$post['downvotes'];
        $netvotes = (int) ($upvotes - $downvotes);
        $fields['upvotes_raw'] = $upvotes;
        $fields['downvotes_raw'] = $downvotes;
        $fields['netvotes_raw'] = $netvotes;
        //	Create HTML versions...
        $upvoteshtml = qa_html($upvotes);
        $downvoteshtml = qa_html($downvotes);
        if ($netvotes >= 1) {
            $netvoteshtml = '+' . qa_html($netvotes);
        } elseif ($netvotes <= -1) {
            $netvoteshtml = '&ndash;' . qa_html(-$netvotes);
        } else {
            $netvoteshtml = '0';
        }
        //	...with microformats if appropriate
        if ($microformats) {
            $netvoteshtml .= '<SPAN CLASS="votes-up"><SPAN CLASS="value-title" TITLE="' . $upvoteshtml . '"></SPAN></SPAN>' . '<SPAN CLASS="votes-down"><SPAN CLASS="value-title" TITLE="' . $downvoteshtml . '"></SPAN></SPAN>';
//.........这里部分代码省略.........

function qa_page_q_edit_q_form()
{
    global $qa_content, $question, $inqtitle, $inqcontent, $inqformat, $inqeditor, $inqtags, $qerrors, $innotify, $inemail, $completetags, $categories;
    $content = isset($inqcontent) ? $inqcontent : $question['content'];
    $format = isset($inqformat) ? $inqformat : $question['format'];
    $editorname = isset($inqeditor) ? $inqeditor : qa_opt('editor_for_qs');
    $editor = qa_load_editor($content, $format, $editorname);
    $form = array('style' => 'tall', 'fields' => array('title' => array('label' => qa_lang_html('question/q_title_label'), 'tags' => 'NAME="qtitle"', 'value' => qa_html(isset($inqtitle) ? $inqtitle : $question['title']), 'error' => qa_html(@$qerrors['title'])), 'category' => array('label' => qa_lang_html('question/q_category_label')), 'content' => array_merge($editor->get_field($qa_content, $content, $format, 'qcontent', 12, true), array('label' => qa_lang_html('question/q_content_label'), 'error' => qa_html(@$qerrors['content']))), 'tags' => array('error' => qa_html(@$qerrors['tags']))), 'buttons' => array('save' => array('label' => qa_lang_html('main/save_button')), 'cancel' => array('tags' => 'NAME="docancel"', 'label' => qa_lang_html('main/cancel_button'))), 'hidden' => array('editor' => qa_html($editorname), 'dosaveq' => '1'));
    if (qa_using_categories() && count($categories)) {
        qa_set_up_category_field($qa_content, $form['fields']['category'], 'category', $categories, isset($incategoryid) ? $incategoryid : $question['categoryid'], qa_opt('allow_no_category') || !isset($question['categoryid']), qa_opt('allow_no_sub_category'));
    } else {
        unset($form['fields']['category']);
    }
    if (qa_using_tags()) {
        qa_set_up_tag_field($qa_content, $form['fields']['tags'], 'qtags', isset($inqtags) ? $inqtags : qa_tagstring_to_tags($question['tags']), array(), $completetags, qa_opt('page_size_ask_tags'));
    } else {
        unset($form['fields']['tags']);
    }
    if ($question['isbyuser']) {
        qa_set_up_notify_fields($qa_content, $form['fields'], 'Q', qa_get_logged_in_email(), isset($innotify) ? $innotify : !empty($question['notify']), isset($inemail) ? $inemail : @$question['notify'], @$qerrors['email']);
    }
    return $form;
}