PHP qa_get_block_words_preg函数代码示例

function qa_question_set_selchildid($userid, $handle, $cookieid, $oldquestion, $selchildid, $answers)
{
    $oldselchildid = $oldquestion['selchildid'];
    qa_db_post_set_selchildid($oldquestion['postid'], isset($selchildid) ? $selchildid : null);
    qa_db_points_update_ifuser($oldquestion['userid'], 'aselects');
    if (isset($oldselchildid)) {
        if (isset($answers[$oldselchildid])) {
            qa_db_points_update_ifuser($answers[$oldselchildid]['userid'], 'aselecteds');
            qa_report_event('a_unselect', $userid, $handle, $cookieid, array('parentid' => $oldquestion['postid'], 'postid' => $oldselchildid));
        }
    }
    if (isset($selchildid)) {
        $answer = $answers[$selchildid];
        qa_db_points_update_ifuser($answer['userid'], 'aselecteds');
        if (isset($answer['notify']) && !qa_post_is_by_user($answer, $userid, $cookieid)) {
            require_once QA_INCLUDE_DIR . 'qa-app-emails.php';
            require_once QA_INCLUDE_DIR . 'qa-app-options.php';
            require_once QA_INCLUDE_DIR . 'qa-util-string.php';
            require_once QA_INCLUDE_DIR . 'qa-app-format.php';
            $blockwordspreg = qa_get_block_words_preg();
            $sendtitle = qa_block_words_replace($oldquestion['title'], $blockwordspreg);
            $sendcontent = qa_viewer_text($answer['content'], $answer['format'], array('blockwordspreg' => $blockwordspreg));
            qa_send_notification($answer['userid'], $answer['notify'], @$answer['handle'], qa_lang('emails/a_selected_subject'), qa_lang('emails/a_selected_body'), array('^s_handle' => isset($handle) ? $handle : qa_lang('main/anonymous'), '^q_title' => $sendtitle, '^a_content' => $sendcontent, '^url' => qa_path(qa_q_request($oldquestion['postid'], $sendtitle), null, qa_opt('site_url'), null, qa_anchor('A', $selchildid))));
        }
        qa_report_event('a_select', $userid, $handle, $cookieid, array('parentid' => $oldquestion['postid'], 'postid' => $selchildid));
    }
}

 function q_list($q_list)
 {
     if (count(@$q_list['qs']) && qa_opt('mouseover_content_on')) {
         // first check it is not an empty list and the feature is turned on
         //	Collect the question ids of all items in the question list (so we can do this in one DB query)
         $postids = array();
         foreach ($q_list['qs'] as $question) {
             if (isset($question['raw']['postid'])) {
                 $postids[] = $question['raw']['postid'];
             }
         }
         if (count($postids)) {
             //	Retrieve the content for these questions from the database and put into an array
             $result = qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids);
             $postinfo = qa_db_read_all_assoc($result, 'postid');
             //	Get the regular expression fragment to use for blocked words and the maximum length of content to show
             $blockwordspreg = qa_get_block_words_preg();
             $maxlength = qa_opt('mouseover_content_max_len');
             //	Now add the popup to the title for each question
             foreach ($q_list['qs'] as $index => $question) {
                 $thispost = @$postinfo[$question['raw']['postid']];
                 if (isset($thispost)) {
                     $text = qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
                     $text = qa_shorten_string_line($text, $maxlength);
                     $q_list['qs'][$index]['title'] = '<SPAN TITLE="' . qa_html($text) . '">' . @$question['title'] . '</SPAN>';
                 }
             }
         }
     }
     qa_html_theme_base::q_list($q_list);
     // call back through to the default function
 }

 public function output_widget($region, $place, $themeobject, $template, $request, $qa_content)
 {
     require_once QA_INCLUDE_DIR . 'db/selects.php';
     $populartags = qa_db_single_select(qa_db_popular_tags_selectspec(0, (int) qa_opt('tag_cloud_count_tags')));
     $maxcount = reset($populartags);
     // $themeobject->output(sprintf('<h2 style="margin-top: 0; padding-top: 0;">%s</h2>', qa_lang_html('main/popular_tags')));
     // $themeobject->output('<div style="font-size: 10px;">');
     $themeobject->output(sprintf('<div class="panel panel-primary" style="padding: 0;"><div class="panel-heading"><h3 class="panel-title">%s</h3></div>', qa_lang_html('main/popular_tags')));
     $themeobject->output('<div class="panel-body">');
     $maxsize = qa_opt('tag_cloud_font_size');
     $minsize = qa_opt('tag_cloud_minimal_font_size');
     $scale = qa_opt('tag_cloud_size_popular');
     $blockwordspreg = qa_get_block_words_preg();
     foreach ($populartags as $tag => $count) {
         $matches = qa_block_words_match_all($tag, $blockwordspreg);
         if (empty($matches)) {
             if ($scale) {
                 $size = number_format($maxsize * $count / $maxcount, 1);
                 if ($size < $minsize) {
                     $size = $minsize;
                 }
             } else {
                 $size = $maxsize;
             }
             $themeobject->output(sprintf('<a href="%s" style="font-size: %dpx; vertical-align: baseline;">%s</a>', qa_path_html('tag/' . $tag), $size, qa_html($tag)));
         }
     }
     // $themeobject->output('</div>');
     $themeobject->output('</div></div>');
 }

 public function q_list($q_list)
 {
     if (!empty($q_list['qs']) && qa_opt('mouseover_content_on')) {
         // first check it is not an empty list and the feature is turned on
         // Collect the question ids of all items in the question list (so we can do this in one DB query)
         $postids = array();
         foreach ($q_list['qs'] as $question) {
             if (isset($question['raw']['postid'])) {
                 $postids[] = $question['raw']['postid'];
             }
         }
         if (!empty($postids)) {
             // Retrieve the content for these questions from the database and put into an array fetching
             // the minimal amount of characters needed to determine the string should be shortened or not
             $maxlength = qa_opt('mouseover_content_max_len');
             $result = qa_db_query_sub('SELECT postid, LEFT(content, #) content, format FROM ^posts WHERE postid IN (#)', $maxlength + 1, $postids);
             $postinfo = qa_db_read_all_assoc($result, 'postid');
             // Get the regular expression fragment to use for blocked words and the maximum length of content to show
             $blockwordspreg = qa_get_block_words_preg();
             // Now add the popup to the title for each question
             foreach ($q_list['qs'] as $index => $question) {
                 if (isset($postinfo[$question['raw']['postid']])) {
                     $thispost = $postinfo[$question['raw']['postid']];
                     $text = qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
                     $text = qa_shorten_string_line($text, $maxlength);
                     $title = isset($question['title']) ? $question['title'] : '';
                     $q_list['qs'][$index]['title'] = sprintf('<span title="%s">%s</span>', qa_html($text), $title);
                 }
             }
         }
     }
     qa_html_theme_base::q_list($q_list);
     // call back through to the default function
 }

 public function q_list($q_list)
 {
     if (!empty($q_list['qs']) && qa_opt('mouseover_content_on')) {
         // first check it is not an empty list and the feature is turned on
         // Collect the question ids of all items in the question list (so we can do this in one DB query)
         $postids = array();
         foreach ($q_list['qs'] as $question) {
             if (isset($question['raw']['postid'])) {
                 $postids[] = $question['raw']['postid'];
             }
         }
         if (!empty($postids)) {
             // Retrieve the content for these questions from the database
             $maxlength = qa_opt('mouseover_content_max_len');
             $result = qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids);
             $postinfo = qa_db_read_all_assoc($result, 'postid');
             // Get the regular expression fragment to use for blocked words and the maximum length of content to show
             $blockwordspreg = qa_get_block_words_preg();
             // Now add the popup to the title for each question
             foreach ($q_list['qs'] as $index => $question) {
                 if (isset($postinfo[$question['raw']['postid']])) {
                     $thispost = $postinfo[$question['raw']['postid']];
                     $text = qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
                     $text = preg_replace('/\\s+/', ' ', $text);
                     // Remove duplicated blanks, new line characters, tabs, etc
                     $text = qa_shorten_string_line($text, $maxlength);
                     $title = isset($question['title']) ? $question['title'] : '';
                     $q_list['qs'][$index]['title'] = $this->getHtmlTitle(qa_html($text), $title);
                 }
             }
         }
     }
     parent::q_list($q_list);
     // call back through to the default function
 }

 function output_widget($region, $place, $themeobject, $template, $request, $qa_content)
 {
     require_once QA_INCLUDE_DIR . 'qa-db-selects.php';
     $widget_opt = @$themeobject->current_widget['param']['options'];
     if (@$themeobject->current_widget['param']['locations']['show_title']) {
         $themeobject->output('<h3 class="widget-title">' . qa_lang('cleanstrap/tags') . '<a href="' . qa_path_html('tags') . '">' . qa_lang('cleanstrap/view_all') . '</a></h3>');
     }
     $to_show = (int) $widget_opt['cs_tags_count'];
     $populartags = qa_db_single_select(qa_db_popular_tags_selectspec(0, !empty($to_show) ? $to_show : 20));
     reset($populartags);
     $themeobject->output('<div class="ra-tags-widget clearfix">');
     $blockwordspreg = qa_get_block_words_preg();
     foreach ($populartags as $tag => $count) {
         if (count(qa_block_words_match_all($tag, $blockwordspreg))) {
             continue;
         }
         // skip censored tags
         $themeobject->output('<a href="' . qa_path_html('tag/' . $tag) . '" class="widget-tag">' . qa_html($tag) . '<span>' . $count . '</span></a>');
     }
     $themeobject->output('</div>');
 }

function qa_q_request($questionid, $title)
{
    if (qa_to_override(__FUNCTION__)) {
        $args = func_get_args();
        return qa_call_override(__FUNCTION__, $args);
    }
    require_once QA_INCLUDE_DIR . 'qa-app-options.php';
    require_once QA_INCLUDE_DIR . 'qa-util-string.php';
    $title = qa_block_words_replace($title, qa_get_block_words_preg());
    $words = qa_string_to_words($title, true, false, false);
    $wordlength = array();
    foreach ($words as $index => $word) {
        $wordlength[$index] = qa_strlen($word);
    }
    $remaining = qa_opt('q_urls_title_length');
    if (array_sum($wordlength) > $remaining) {
        arsort($wordlength, SORT_NUMERIC);
        // sort with longest words first
        foreach ($wordlength as $index => $length) {
            if ($remaining > 0) {
                $remaining -= $length;
            } else {
                unset($words[$index]);
            }
        }
    }
    $title = implode('-', $words);
    if (qa_opt('q_urls_remove_accents')) {
        $title = qa_string_remove_accents($title);
    }
    return (int) $questionid . '/' . $title;
}

function qa_page_q_question_view($question, $parentquestion, $closepost, $usershtml, $formrequested)
{
    $questionid = $question['postid'];
    $userid = qa_get_logged_in_userid();
    $cookieid = qa_cookie_get();
    $htmloptions = qa_post_html_defaults('Q', true);
    $htmloptions['answersview'] = false;
    // answer count is displayed separately so don't show it here
    $htmloptions['avatarsize'] = qa_opt('avatar_q_page_q_size');
    $q_view = qa_post_html_fields($question, $userid, $cookieid, $usershtml, null, $htmloptions);
    $q_view['main_form_tags'] = 'METHOD="POST" ACTION="' . qa_self_html() . '"';
    //	Buttons for operating on the question
    if (!$formrequested) {
        // don't show if another form is currently being shown on page
        $clicksuffix = ' onClick="qa_show_waiting_after(this, false);"';
        // add to operations that write to database
        $buttons = array();
        if ($question['editbutton']) {
            $buttons['edit'] = array('tags' => 'NAME="q_doedit"', 'label' => qa_lang_html('question/edit_button'), 'popup' => qa_lang_html('question/edit_q_popup'));
        }
        $hascategories = qa_using_categories();
        if ($question['retagcatbutton']) {
            $buttons['retagcat'] = array('tags' => 'NAME="q_doedit"', 'label' => qa_lang_html($hascategories ? 'question/recat_button' : 'question/retag_button'), 'popup' => qa_lang_html($hascategories ? qa_using_tags() ? 'question/retag_cat_popup' : 'question/recat_popup' : 'question/retag_popup'));
        }
        if ($question['flagbutton']) {
            $buttons['flag'] = array('tags' => 'NAME="q_doflag"' . $clicksuffix, 'label' => qa_lang_html($question['flagtohide'] ? 'question/flag_hide_button' : 'question/flag_button'), 'popup' => qa_lang_html('question/flag_q_popup'));
        }
        if ($question['unflaggable']) {
            $buttons['unflag'] = array('tags' => 'NAME="q_dounflag"' . $clicksuffix, 'label' => qa_lang_html('question/unflag_button'), 'popup' => qa_lang_html('question/unflag_popup'));
        }
        if ($question['clearflaggable']) {
            $buttons['clearflags'] = array('tags' => 'NAME="q_doclearflags"' . $clicksuffix, 'label' => qa_lang_html('question/clear_flags_button'), 'popup' => qa_lang_html('question/clear_flags_popup'));
        }
        if ($question['closeable']) {
            $buttons['close'] = array('tags' => 'NAME="q_doclose"', 'label' => qa_lang_html('question/close_button'), 'popup' => qa_lang_html('question/close_q_popup'));
        }
        if ($question['reopenable']) {
            $buttons['reopen'] = array('tags' => 'NAME="q_doreopen"' . $clicksuffix, 'label' => qa_lang_html('question/reopen_button'));
        }
        if ($question['moderatable']) {
            $buttons['approve'] = array('tags' => 'NAME="q_doapprove"' . $clicksuffix, 'label' => qa_lang_html('question/approve_button'));
            $buttons['reject'] = array('tags' => 'NAME="q_doreject"' . $clicksuffix, 'label' => qa_lang_html('question/reject_button'));
        }
        if ($question['hideable']) {
            $buttons['hide'] = array('tags' => 'NAME="q_dohide"' . $clicksuffix, 'label' => qa_lang_html('question/hide_button'), 'popup' => qa_lang_html('question/hide_q_popup'));
        }
        if ($question['reshowable']) {
            $buttons['reshow'] = array('tags' => 'NAME="q_doreshow"' . $clicksuffix, 'label' => qa_lang_html('question/reshow_button'));
        }
        if ($question['deleteable']) {
            $buttons['delete'] = array('tags' => 'NAME="q_dodelete"' . $clicksuffix, 'label' => qa_lang_html('question/delete_button'), 'popup' => qa_lang_html('question/delete_q_popup'));
        }
        if ($question['claimable']) {
            $buttons['claim'] = array('tags' => 'NAME="q_doclaim"' . $clicksuffix, 'label' => qa_lang_html('question/claim_button'));
        }
        if ($question['answerbutton']) {
            // don't show if shown by default
            $buttons['answer'] = array('tags' => 'NAME="q_doanswer" ID="q_doanswer" onClick="return qa_toggle_element(\'anew\')"', 'label' => qa_lang_html('question/answer_button'), 'popup' => qa_lang_html('question/answer_q_popup'));
        }
        if ($question['commentbutton']) {
            $buttons['comment'] = array('tags' => 'NAME="q_docomment" onClick="return qa_toggle_element(\'c' . $questionid . '\')"', 'label' => qa_lang_html('question/comment_button'), 'popup' => qa_lang_html('question/comment_q_popup'));
        }
        $q_view['form'] = array('style' => 'light', 'buttons' => $buttons, 'hidden' => array('qa_click' => ''));
    }
    //	Information about the question of the answer that this question follows on from (or a question directly)
    if (isset($parentquestion)) {
        $q_view['follows'] = array('label' => qa_lang_html($question['parentid'] == $parentquestion['postid'] ? 'question/follows_q' : 'question/follows_a'), 'title' => qa_html(qa_block_words_replace($parentquestion['title'], qa_get_block_words_preg())), 'url' => qa_q_path_html($parentquestion['postid'], $parentquestion['title'], false, $question['parentid'] == $parentquestion['postid'] ? 'Q' : 'A', $question['parentid']));
    }
    //	Information about the question that this question is a duplicate of (if appropriate)
    if (isset($closepost)) {
        if ($closepost['basetype'] == 'Q') {
            $q_view['closed'] = array('label' => qa_lang_html('question/closed_as_duplicate'), 'content' => qa_html(qa_block_words_replace($closepost['title'], qa_get_block_words_preg())), 'url' => qa_q_path_html($closepost['postid'], $closepost['title']));
        } elseif ($closepost['type'] == 'NOTE') {
            $viewer = qa_load_viewer($closepost['content'], $closepost['format']);
            $q_view['closed'] = array('label' => qa_lang_html('question/closed_with_note'), 'content' => $viewer->get_html($closepost['content'], $closepost['format'], array('blockwordspreg' => qa_get_block_words_preg())));
        }
    }
    //	Extra value display
    if (strlen(@$question['extra']) && qa_opt('extra_field_active') && qa_opt('extra_field_display')) {
        $q_view['extra'] = array('label' => qa_html(qa_opt('extra_field_label')), 'content' => qa_html(qa_block_words_replace($question['extra'], qa_get_block_words_preg())));
    }
    return $q_view;
}

$field['error'] = qa_html(@$errors['content']);
$custom = qa_opt('show_custom_ask') ? trim(qa_opt('custom_ask')) : '';
$qa_content['form'] = array('tags' => 'name="ask" method="post" action="' . qa_self_html() . '"', 'style' => 'tall', 'fields' => array('custom' => array('type' => 'custom', 'note' => $custom), 'title' => array('label' => qa_lang_html('question/q_title_label'), 'tags' => 'name="title" id="title" autocomplete="off"', 'value' => qa_html(@$in['title']), 'error' => qa_html(@$errors['title'])), 'similar' => array('type' => 'custom', 'html' => '<span id="similar"></span>'), 'content' => $field), 'buttons' => array('ask' => array('tags' => 'onclick="qa_show_waiting_after(this, false); ' . (method_exists($editor, 'update_script') ? $editor->update_script('content') : '') . '"', 'label' => qa_lang_html('question/ask_button'))), 'hidden' => array('editor' => qa_html($editorname), 'code' => qa_get_form_security_code('ask'), 'doask' => '1'));
if (!strlen($custom)) {
    unset($qa_content['form']['fields']['custom']);
}
if (qa_opt('do_ask_check_qs') || qa_opt('do_example_tags')) {
    $qa_content['script_rel'][] = 'qa-content/qa-ask.js?' . QA_VERSION;
    $qa_content['form']['fields']['title']['tags'] .= ' onchange="qa_title_change(this.value);"';
    if (strlen(@$in['title'])) {
        $qa_content['script_onloads'][] = 'qa_title_change(' . qa_js($in['title']) . ');';
    }
}
if (isset($followanswer)) {
    $viewer = qa_load_viewer($followanswer['content'], $followanswer['format']);
    $field = array('type' => 'static', 'label' => qa_lang_html('question/ask_follow_from_a'), 'value' => $viewer->get_html($followanswer['content'], $followanswer['format'], array('blockwordspreg' => qa_get_block_words_preg())));
    qa_array_insert($qa_content['form']['fields'], 'title', array('follows' => $field));
}
if (qa_using_categories() && count($categories)) {
    $field = array('label' => qa_lang_html('question/q_category_label'), 'error' => qa_html(@$errors['categoryid']));
    qa_set_up_category_field($qa_content, $field, 'category', $categories, $in['categoryid'], true, qa_opt('allow_no_sub_category'));
    if (!qa_opt('allow_no_category')) {
        // don't auto-select a category even though one is required
        $field['options'][''] = '';
    }
    qa_array_insert($qa_content['form']['fields'], 'content', array('category' => $field));
}
if (qa_opt('extra_field_active')) {
    $field = array('label' => qa_html(qa_opt('extra_field_prompt')), 'tags' => 'name="extra"', 'value' => qa_html(@$in['extra']), 'error' => qa_html(@$errors['extra']));
    qa_array_insert($qa_content['form']['fields'], null, array('extra' => $field));
}

function qa_message_html_defaults()
{
    if (qa_to_override(__FUNCTION__)) {
        $args = func_get_args();
        return qa_call_override(__FUNCTION__, $args);
    }
    return array('whenview' => qa_opt('show_when_created'), 'whoview' => true, 'avatarsize' => qa_opt('avatar_message_list_size'), 'blockwordspreg' => qa_get_block_words_preg(), 'showurllinks' => qa_opt('show_url_links'), 'linksnewwindow' => qa_opt('links_in_new_window'), 'fulldatedays' => qa_opt('show_full_date_days'));
}

    function q_list($q_list)
    {
        if (isset($q_list['qs'])) {
            if (qa_opt('cs_enable_except')) {
                // first check it is not an empty list and the feature is turned on
                //	Collect the question ids of all items in the question list (so we can do this in one DB query)
                $postids = array();
                foreach ($q_list['qs'] as $question) {
                    if (isset($question['raw']['postid'])) {
                        $postids[] = $question['raw']['postid'];
                    }
                }
                if (count($postids)) {
                    //	Retrieve the content for these questions from the database and put into an array
                    //$result         = qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids);
                    //$postinfo       = qa_db_read_all_assoc($result, 'postid');
                    //cache and apply keys to array now that I can't use array key argument in qa_db_read_all_assoc
                    $posts = qa_db_read_all_assoc(qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids));
                    $postinfo = array();
                    foreach ($posts as $qitem) {
                        $postinfo[$qitem['postid']] = $qitem;
                    }
                    //	Get the regular expression fragment to use for blocked words and the maximum length of content to show
                    $blockwordspreg = qa_get_block_words_preg();
                    $maxlength = qa_opt('cs_except_len');
                    //	Now add the popup to the title for each question
                    foreach ($q_list['qs'] as $index => $question) {
                        $thispost = @$postinfo[$question['raw']['postid']];
                        if (isset($thispost)) {
                            $text = qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
                            $text = qa_shorten_string_line($text, $maxlength);
                            $q_list['qs'][$index]['content'] = '<SPAN>' . qa_html($text) . '</SPAN>';
                        }
                    }
                }
            }
            $this->output('<div class="qa-q-list' . ($this->list_vote_disabled($q_list['qs']) ? ' qa-q-list-vote-disabled' : '') . ((bool) qa_opt('cs_enable_clean_qlist') ? ' clean' : '') . '">', '');
            $this->q_list_items($q_list['qs']);
            $this->output('</div> <!-- END qa-q-list -->', '');
        } else {
            $this->output('
					<div class="no-items">
						<h3 class="icon-sad">' . qa_lang_html('cleanstrap/no_users') . '</h3>
						<p>' . qa_lang_html('cleanstrap/no_results_detail') . '.</p>
					</div>');
        }
    }

function qa_comment_create($userid, $handle, $cookieid, $content, $format, $text, $notify, $email, $question, $answer, $commentsfollows)
{
    require_once QA_INCLUDE_DIR . 'qa-app-emails.php';
    require_once QA_INCLUDE_DIR . 'qa-app-options.php';
    require_once QA_INCLUDE_DIR . 'qa-app-format.php';
    require_once QA_INCLUDE_DIR . 'qa-util-string.php';
    $parent = isset($answer) ? $answer : $question;
    $postid = qa_db_post_create('C', $parent['postid'], $userid, isset($userid) ? null : $cookieid, qa_remote_ip_address(), null, $content, $format, null, qa_combine_notify_email($userid, $notify, $email), $question['categoryid']);
    qa_db_posts_calc_category_path($postid);
    if (!($question['hidden'] || @$answer['hidden'])) {
        // don't index comment if parent or parent of parent is hidden
        qa_post_index($postid, 'C', $question['postid'], null, $text, null);
    }
    qa_db_points_update_ifuser($userid, 'cposts');
    qa_db_ccount_update();
    //	$senttoemail and $senttouserid ensure each user or email gets only one notification about an added comment,
    //	even if they have several previous comments in the same thread and asked for notifications for the parent.
    //	Still, if a person posted some comments as a registered user and some others anonymously,
    //	they could get two emails about a subsequent comment. Shouldn't be much of a problem in practice.
    $senttoemail = array();
    $senttouserid = array();
    switch ($parent['basetype']) {
        case 'Q':
            $subject = qa_lang('emails/q_commented_subject');
            $body = qa_lang('emails/q_commented_body');
            $context = $parent['title'];
            break;
        case 'A':
            $subject = qa_lang('emails/a_commented_subject');
            $body = qa_lang('emails/a_commented_body');
            $context = qa_viewer_text($parent['content'], $parent['format']);
            break;
    }
    $blockwordspreg = qa_get_block_words_preg();
    $sendhandle = isset($handle) ? $handle : qa_lang('main/anonymous');
    $sendcontext = qa_block_words_replace($context, $blockwordspreg);
    $sendtext = qa_block_words_replace($text, $blockwordspreg);
    $sendtitle = qa_block_words_replace($question['title'], $blockwordspreg);
    $sendurl = qa_path(qa_q_request($question['postid'], $sendtitle), null, qa_opt('site_url'), null, qa_anchor($parent['basetype'], $parent['postid']));
    if (isset($parent['notify']) && !qa_post_is_by_user($parent, $userid, $cookieid)) {
        $senduserid = $parent['userid'];
        $sendemail = @$parent['notify'];
        if (qa_email_validate($sendemail)) {
            $senttoemail[$sendemail] = true;
        } elseif (isset($senduserid)) {
            $senttouserid[$senduserid] = true;
        }
        qa_send_notification($senduserid, $sendemail, @$parent['handle'], $subject, $body, array('^c_handle' => $sendhandle, '^c_context' => $sendcontext, '^c_content' => $sendtext, '^url' => $sendurl));
    }
    foreach ($commentsfollows as $comment) {
        if ($comment['basetype'] == 'C' && $comment['parentid'] == $parent['postid'] && !$comment['hidden']) {
            // find just those for this parent
            if (isset($comment['notify']) && !qa_post_is_by_user($comment, $userid, $cookieid)) {
                $senduserid = $comment['userid'];
                $sendemail = @$comment['notify'];
                if (qa_email_validate($sendemail)) {
                    if (@$senttoemail[$sendemail]) {
                        continue;
                    }
                    $senttoemail[$sendemail] = true;
                } elseif (isset($senduserid)) {
                    if (@$senttouserid[$senduserid]) {
                        continue;
                    }
                    $senttouserid[$senduserid] = true;
                }
                qa_send_notification($senduserid, $sendemail, @$comment['handle'], qa_lang('emails/c_commented_subject'), qa_lang('emails/c_commented_body'), array('^c_handle' => $sendhandle, '^c_context' => $sendcontext, '^c_content' => $sendtext, '^url' => $sendurl));
            }
        }
    }
    qa_report_event('c_post', $userid, $handle, $cookieid, array('postid' => $postid, 'parentid' => $parent['postid'], 'parenttype' => $parent['basetype'], 'questionid' => $question['postid'], 'content' => $content, 'format' => $format, 'text' => $text, 'categoryid' => $question['categoryid'], 'notify' => $notify, 'email' => $email));
    return $postid;
}

function ra_post_list($type, $limit)
{
    require_once QA_INCLUDE_DIR . 'qa-app-posts.php';
    $post = qa_db_query_sub('SELECT * FROM ^posts WHERE ^posts.type=$ ORDER BY ^posts.created DESC LIMIT #', $type, $limit);
    $output = '<ul class="question-list">';
    while ($p = mysql_fetch_array($post)) {
        $p['title'] = qa_block_words_replace($p['title'], qa_get_block_words_preg(), '*');
        $p['content'] = qa_block_words_replace($p['content'], qa_get_block_words_preg(), '*');
        if ($type == 'Q') {
            $what = _ra_lang('asked');
        } elseif ($type == 'A') {
            $what = _ra_lang('answered');
        } elseif ('C') {
            $what = _ra_lang('commented');
        }
        $handle = qa_post_userid_to_handle($p['userid']);
        $output .= '<li id="q-list-' . $p['postid'] . '" class="question-item">';
        $output .= '<div class="pull-left avatar" data-handle="' . $handle . '" data-id="' . qa_handle_to_userid($handle) . '">' . ra_get_avatar($handle, 40) . '</div>';
        $output .= '<div class="list-right">';
        $output .= '<h5><a href="' . qa_path_html('user/' . $handle) . '">' . ra_name($handle) . '</a> ' . $what . '</h5>';
        if ($type == 'Q') {
            $output .= '<p><a href="' . qa_q_path_html($p['postid'], $p['title']) . '" title="' . $p['title'] . '">' . qa_html($p['title']) . '</a></p>';
        } elseif ($type == 'A') {
            $output .= '<p><a href="' . ra_post_link($p['parentid']) . '#a' . $p['postid'] . '">' . substr(strip_tags($p['content']), 0, 50) . '</a></p>';
        } else {
            $output .= '<p><a href="' . ra_post_link($p['parentid']) . '#c' . $p['postid'] . '">' . substr(strip_tags($p['content']), 0, 50) . '</a></p>';
        }
        if ($type == 'Q') {
            $output .= '<div class="counts"><div class="vote-count icon-chevron-up"><span>' . $p['netvotes'] . '</span></div>';
            $output .= '<div class="ans-count icon-chat-4"><span>' . $p['acount'] . '</span></div></div>';
        } elseif ($type == 'A') {
            $output .= '<div class="counts"><div class="vote-count icon-chevron-up"><span>' . $p['netvotes'] . '</span></div>';
        }
        $output .= '</div>';
        $output .= '</li>';
    }
    $output .= '</ul>';
    echo $output;
}

function qw_notify_users_by_email($event, $postid, $userid, $effecteduserid, $params)
{
    if (!!$effecteduserid) {
        //get the working user data
        $logged_in_handle = qa_get_logged_in_handle();
        $logged_in_user_name = qw_get_name_from_userid($userid);
        $logged_in_user_name = !!$logged_in_user_name ? $logged_in_user_name : $logged_in_handle;
        $name = qw_get_name_from_userid($effecteduserid);
        switch ($event) {
            case 'a_post':
            case 'related':
                $parent = isset($params['parent']) ? $params['parent'] : "";
                if (!!$parent) {
                    $name = !!$name ? $name : $parent['handle'];
                    $email = $parent['email'];
                    $handle = $parent['handle'];
                } else {
                    //seems proper values are not available
                    return;
                }
                break;
            case 'c_post':
            case 'q_reshow':
            case 'a_reshow':
            case 'c_reshow':
            case 'a_select':
            case 'q_vote_up':
            case 'q_vote_down':
            case 'a_vote_up':
            case 'a_vote_down':
            case 'q_favorite':
            case 'u_favorite':
            case 'u_message':
            case 'u_wall_post':
            case 'u_level':
            case 'q_post_user_fl':
            case 'q_post_tag_fl':
            case 'q_post_cat_fl':
                //this is because we wont have the $parent['email'] for each effected userids when a these selected events occurs
                $user_details = qw_get_user_details_from_userid($effecteduserid);
                $handle = $user_details['handle'];
                $name = !!$name ? $name : $user_details['handle'];
                $email = $user_details['email'];
                break;
            case 'q_approve':
            case 'q_reject':
                $oldquestion = $params['oldquestion'];
                $handle = $oldquestion['handle'];
                $name = !!$name ? $name : $oldquestion['handle'];
                $email = $oldquestion['email'];
                break;
            case 'a_approve':
            case 'a_reject':
                $oldanswer = $params['oldanswer'];
                $handle = $oldquestion['handle'];
                $name = !!$name ? $name : $oldanswer['handle'];
                $email = $oldanswer['email'];
                break;
            case 'c_approve':
            case 'c_reject':
                $oldcomment = $params['oldcomment'];
                $handle = $oldcomment['handle'];
                $name = !!$name ? $name : $oldcomment['handle'];
                $email = $oldcomment['email'];
                break;
            default:
                break;
        }
        include_once QA_INCLUDE_DIR . 'qa-util-string.php';
        $notifying_user['userid'] = $effecteduserid;
        $notifying_user['name'] = $name;
        $notifying_user['email'] = $email;
        $notifying_user['handle'] = isset($handle) ? $handle : qa_lang('main/anonymous');
        //consider only first 50 characters for saving notification
        if ($event === 'u_message') {
            $content = isset($params['message']) && !empty($params['message']) ? $params['message'] : "";
            $title = "";
            $canreply = !(qa_get_logged_in_flags() & QA_USER_FLAGS_NO_MESSAGES);
            $url = qa_path_absolute($canreply ? 'message/' . $logged_in_handle : 'user/' . $logged_in_handle);
        } else {
            if ($event === 'u_wall_post') {
                $content = isset($params['text']) && !empty($params['text']) ? $params['text'] : "";
                if (!!$content) {
                    $blockwordspreg = qa_get_block_words_preg();
                    $content = qa_block_words_replace($content, $blockwordspreg);
                }
                $title = "";
                $url = qa_path_absolute('user/' . $params['handle'] . '/wall', null, null);
            } else {
                if ($event === 'u_level') {
                    $title = "";
                    $url = qa_path_absolute('user/' . $params['handle']);
                    $old_level = $params['oldlevel'];
                    $new_level = $params['level'];
                    if ($new_level < $old_level) {
                        return;
                    }
                    $approved_only = "";
                    if ($new_level == QA_USER_LEVEL_APPROVED && $old_level < QA_USER_LEVEL_APPROVED) {
                        $approved_only = true;
//.........这里部分代码省略.........

            } elseif (isset($result['url'])) {
                $questions[] = $setarray;
            }
        }
        break;
}
//	Remove duplicate questions (perhaps referenced in an answer and a comment) and cut down to size
require_once QA_INCLUDE_DIR . 'app/format.php';
require_once QA_INCLUDE_DIR . 'app/updates.php';
require_once QA_INCLUDE_DIR . 'util/string.php';
if ($feedtype != 'search' && $feedtype != 'hot') {
    // leave search results and hot questions sorted by relevance
    $questions = qa_any_sort_and_dedupe($questions);
}
$questions = array_slice($questions, 0, $count);
$blockwordspreg = qa_get_block_words_preg();
//	Prepare the XML output
$lines = array();
$lines[] = '<?xml version="1.0" encoding="utf-8"?>';
$lines[] = '<rss version="2.0">';
$lines[] = '<channel>';
$lines[] = '<title>' . qa_xml($sitetitle . ' - ' . $title) . '</title>';
$lines[] = '<link>' . qa_xml(qa_path($linkrequest, $linkparams, $siteurl)) . '</link>';
$lines[] = '<description>Powered by Question2Answer</description>';
foreach ($questions as $question) {
    //	Determine whether this is a question, answer or comment, and act accordingly
    $options = array('blockwordspreg' => @$blockwordspreg, 'showurllinks' => $showurllinks);
    $time = null;
    $htmlcontent = null;
    if (isset($question['opostid'])) {
        $time = $question['otime'];