PHP eE函数代码示例

function formatComments($darr)
{
    global $prefs, $txpcfg, $comments_disallow_images, $txpac;
    extract($prefs);
    $preview = gps('preview');
    $id = gps('id');
    $Form = fetch('Form', 'txp_form', 'name', 'comments');
    $out = '';
    foreach ($darr as $vars) {
        extract($vars);
        if ($preview) {
            include_once $txpcfg['txpath'] . '/lib/classTextile.php';
            $time = time();
            $discussid = 0;
            $textile = new Textile();
            $im = !empty($comments_disallow_images) ? 1 : '';
            $message = trim(nl2br($textile->TextileThis(strip_tags($message), 1, '', $im)));
        }
        if ($comments_dateformat == "since") {
            $comment_time = since($time + $timeoffset);
        } else {
            $comment_time = date($comments_dateformat, $time + $timeoffset);
        }
        $web = str_replace("http://", "", $web);
        if ($email && !$web && !$txpac['never_display_email']) {
            $name = '<a href="' . eE('mailto:' . $email) . '">' . $name . '</a>';
        }
        if ($web) {
            $name = '<a href="http://' . $web . '" title="' . $web . '">' . $name . '</a>';
        }
        $Section = fetch('Section', 'textpattern', 'ID', $parentid);
        if ($url_mode == 1) {
            $dlink = $path_from_root . $Section . '/' . $parentid . '/#c' . $discussid;
        } else {
            if ($url_mode == 0) {
                $dlink = $path_from_root . 'index.php?id=' . $parentid . '#c' . $discussid;
            }
        }
        $vals = array('comment_name' => $name, 'message' => $message, 'comment_time' => $comment_time);
        $temp = $Form;
        foreach ($vals as $a => $b) {
            $temp = str_replace('<txp:' . $a . ' />', $b, $temp);
        }
        $temp = preg_replace('/<(txp:comment_permlink)>(.*)<\\/\\1>/U', '<a href="' . $dlink . '">$2</a>', $temp);
        $out .= n . t . '<li id="c' . $discussid . '" style="margin-top:2em">' . $temp . '</li>';
    }
    return $out;
}

/**
 * Provides access to an author's username and email address.
 * Replaces the spaces in an author's real name with any character.
 *
 * @param array  $atts
 * @param string $atts['display']   'email', 'name', 'username'
 * @param bool   $atts['lowercase'] Lowercases $display
 * @param string $atts['separator'] Replace spaces in $display with any char.
 * @param string $atts['username']  Username to base output on. Default: 
 *                                  article author
 */
function jmd_author($atts)
{
    global $thisarticle;
    extract(lAtts(array('display' => 'username', 'lowercase' => 0, 'separator' => ' ', 'username' => $thisarticle['authorid']), $atts));
    $out = $username;
    switch ($display) {
        case 'email':
            $out = eE(safe_field("email", "txp_users", "name='{$username}'"));
            break;
        case 'name':
            $out = get_author_name($username);
            break;
        default:
    }
    if ($lowercase == 1) {
        $out = strtolower($out);
    }
    return str_replace(' ', $separator, $out);
}

function atom()
{
    global $thisarticle;
    extract($GLOBALS['prefs']);
    define("t_texthtml", ' type="text/html"');
    define("t_text", ' type="text"');
    define("t_html", ' type="html"');
    define("t_xhtml", ' type="xhtml"');
    define('t_appxhtml', ' type="xhtml"');
    define("r_relalt", ' rel="alternate"');
    define("r_relself", ' rel="self"');
    $area = doSlash(gps('area'));
    extract(doSlash(gpsa(array('category', 'section', 'limit'))));
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    $sitename .= $section ? ' - ' . $section : '';
    $sitename .= $category ? ' - ' . $category : '';
    $pub = safe_row("RealName, email", "txp_users", "privs=1");
    $out[] = tag(escape_output($sitename), 'title', t_text);
    $out[] = tag(escape_output($site_slogan), 'subtitle', t_text);
    $out[] = '<link' . r_relself . ' href="' . pagelinkurl(array('atom' => 1, 'area' => $area, 'section' => $section, 'category' => $category, 'limit' => $limit)) . '" />';
    $out[] = '<link' . r_relalt . t_texthtml . ' href="' . hu . '" />';
    $articles = array();
    //Atom feeds with mail or domain name
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    $out[] = tag('tag:' . $mail_or_domain . ',' . $blog_time_uid . ':' . $blog_uid . ($section ? '/' . $section : '') . ($category ? '/' . $category : ''), 'id');
    $out[] = tag('Textpattern', 'generator', ' uri="http://textpattern.com/" version="' . $version . '"');
    $out[] = tag(safe_strftime("w3cdtf", $last), 'updated');
    $auth[] = tag($pub['RealName'], 'name');
    $auth[] = $include_email_atom ? tag(eE($pub['email']), 'email') : '';
    $auth[] = tag(hu, 'uri');
    $out[] = tag(n . t . t . join(n . t . t, $auth) . n, 'author');
    if (!$area or $area == 'article') {
        $sfilter = $section ? "and Section = '" . $section . "'" : '';
        $cfilter = $category ? "and (Category1='" . $category . "' or Category2='" . $category . "')" : '';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $frs = safe_column("name", "txp_section", "in_rss != '1'");
        $query = array();
        foreach ($frs as $f) {
            $query[] = "and Section != '" . doSlash($f) . "'";
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $rs = safe_rows_start("*, \n\t\t\t\tID as thisid, \n\t\t\t\tunix_timestamp(Posted) as uPosted,\n\t\t\t\tunix_timestamp(LastMod) as uLastMod", "textpattern", "Status=4 and Posted <= now() " . join(' ', $query) . "order by Posted desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $cb = callback_event('atom_entry');
                $e = array();
                $a['posted'] = $uPosted;
                if ($show_comment_count_in_feed) {
                    $count = $comments_count > 0 ? ' [' . $comments_count . ']' : '';
                } else {
                    $count = '';
                }
                $thisauthor = get_author_name($AuthorID);
                $e['thisauthor'] = tag(n . t . t . t . tag(htmlspecialchars($thisauthor), 'name') . n . t . t, 'author');
                $e['issued'] = tag(safe_strftime('w3cdtf', $uPosted), 'published');
                $e['modified'] = tag(safe_strftime('w3cdtf', $uLastMod), 'updated');
                $escaped_title = escape_output($Title);
                $e['title'] = tag($escaped_title . $count, 'title', t_html);
                $permlink = permlinkurl($a);
                $e['link'] = '<link' . r_relalt . t_texthtml . ' href="' . $permlink . '" />';
                $e['id'] = tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, 'id');
                $e['category1'] = trim($Category1) ? '<category term="' . htmlspecialchars($Category1) . '" />' : '';
                $e['category2'] = trim($Category2) ? '<category term="' . htmlspecialchars($Category2) . '" />' : '';
                $summary = trim(replace_relative_urls(parse($thisarticle['excerpt']), $permlink));
                $content = trim(replace_relative_urls(parse($thisarticle['body']), $permlink));
                if ($syndicate_body_or_excerpt) {
                    # short feed: use body as summary if there's no excerpt
                    if (!trim($summary)) {
                        $summary = $content;
                    }
                    $content = '';
                }
                if (trim($content)) {
                    $e['content'] = tag(n . escape_cdata($content) . n, 'content', t_html);
                }
                if (trim($summary)) {
                    $e['summary'] = tag(n . escape_cdata($summary) . n, 'summary', t_html);
                }
                $articles[$ID] = tag(n . t . t . join(n . t . t, $e) . n . $cb, 'entry');
                $etags[$ID] = strtoupper(dechex(crc32($articles[$ID])));
                $dates[$ID] = $uLastMod;
            }
        }
    } elseif ($area == 'link') {
        $cfilter = $category ? "category='" . $category . "'" : '1';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $rs = safe_rows_start("*", "txp_link", "{$cfilter} order by date desc, id desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                $e['title'] = tag(htmlspecialchars($linkname), 'title', t_html);
                $e['content'] = tag(n . htmlspecialchars($description) . n, 'content', t_html);
                $url = preg_replace("/^\\/(.*)/", "https?://{$siteurl}/\$1", $url);
                $url = preg_replace("/&((?U).*)=/", "&amp;\\1=", $url);
//.........这里部分代码省略.........

function rss()
{
    global $prefs, $thisarticle;
    set_error_handler('feedErrorHandler');
    ob_clean();
    extract($prefs);
    extract(doSlash(gpsa(array('limit', 'area'))));
    // build filter criteria from a comma-separated list of sections and categories
    $feed_filter_limit = get_pref('feed_filter_limit', 10);
    $section = gps('section');
    $category = gps('category');
    if (!is_scalar($section) || !is_scalar($category)) {
        txp_die('Not Found', 404);
    }
    $section = $section ? array_slice(array_unique(do_list($section)), 0, $feed_filter_limit) : array();
    $category = $category ? array_slice(array_unique(do_list($category)), 0, $feed_filter_limit) : array();
    $st = array();
    foreach ($section as $s) {
        $st[] = fetch_section_title($s);
    }
    $ct = array();
    foreach ($category as $c) {
        $ct[] = fetch_category_title($c);
    }
    $sitename .= $section ? ' - ' . join(' - ', $st) : '';
    $sitename .= $category ? ' - ' . join(' - ', $ct) : '';
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    // feed header
    $out[] = tag('http://textpattern.com/?v=' . $version, 'generator');
    $out[] = tag(doSpecial($sitename), 'title');
    $out[] = tag(hu, 'link');
    $out[] = '<atom:link href="' . pagelinkurl(array('rss' => 1, 'area' => $area, 'section' => $section, 'category' => $category, 'limit' => $limit)) . '" rel="self" type="application/rss+xml" />';
    $out[] = tag(doSpecial($site_slogan), 'description');
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    $out[] = tag(safe_strftime('rfc822', $last), 'pubDate');
    $out[] = callback_event('rss_head');
    // feed items
    $articles = array();
    $section = doSlash($section);
    $category = doSlash($category);
    if (!$area or $area == 'article') {
        $sfilter = !empty($section) ? "and Section in ('" . join("','", $section) . "')" : '';
        $cfilter = !empty($category) ? "and (Category1 in ('" . join("','", $category) . "') or Category2 in ('" . join("','", $category) . "'))" : '';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $frs = safe_column("name", "txp_section", "in_rss != '1'");
        if ($frs) {
            foreach ($frs as $f) {
                $query[] = "and Section != '" . doSlash($f) . "'";
            }
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $expired = $publish_expired_articles ? '' : ' and (now() <= Expires or Expires = ' . NULLDATETIME . ') ';
        $rs = safe_rows_start("*, unix_timestamp(Posted) as uPosted, unix_timestamp(LastMod) as uLastMod, unix_timestamp(Expires) as uExpires, ID as thisid", "textpattern", "Status = 4 " . join(' ', $query) . "and Posted < now()" . $expired . "order by Posted desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $cb = callback_event('rss_entry');
                $a['posted'] = $uPosted;
                $permlink = permlinkurl($a);
                $summary = trim(replace_relative_urls(parse($thisarticle['excerpt']), $permlink));
                $content = trim(replace_relative_urls(parse($thisarticle['body']), $permlink));
                if ($syndicate_body_or_excerpt) {
                    # short feed: use body as summary if there's no excerpt
                    if (!trim($summary)) {
                        $summary = $content;
                    }
                    $content = '';
                }
                if ($show_comment_count_in_feed) {
                    $count = $comments_count > 0 ? ' [' . $comments_count . ']' : '';
                } else {
                    $count = '';
                }
                $Title = escape_title(strip_tags($Title)) . $count;
                $thisauthor = get_author_name($AuthorID);
                $item = tag($Title, 'title') . n . (trim($summary) ? tag(n . escape_cdata($summary) . n, 'description') . n : '') . (trim($content) ? tag(n . escape_cdata($content) . n, 'content:encoded') . n : '') . tag($permlink, 'link') . n . tag(safe_strftime('rfc822', $a['posted']), 'pubDate') . n . tag(htmlspecialchars($thisauthor), 'dc:creator') . n . tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, 'guid', ' isPermaLink="false"') . n . $cb;
                $articles[$ID] = tag($item, 'item');
                $etags[$ID] = strtoupper(dechex(crc32($articles[$ID])));
                $dates[$ID] = $uPosted;
            }
        }
    } elseif ($area == 'link') {
        $cfilter = $category ? "category in ('" . join("','", $category) . "')" : '1';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $rs = safe_rows_start("*, unix_timestamp(date) as uDate", "txp_link", "{$cfilter} order by date desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                $item = tag(doSpecial($linkname), 'title') . n . tag(doSpecial($description), 'description') . n . tag(doSpecial($url), 'link') . n . tag(safe_strftime('rfc822', $uDate), 'pubDate');
                $articles[$id] = tag($item, 'item');
                $etags[$id] = strtoupper(dechex(crc32($articles[$id])));
                $dates[$id] = $date;
            }
        }
    }
//.........这里部分代码省略.........

/**
 * Generates and outputs an Atom feed.
 *
 * This function can only be called once on a page. It outputs an Atom feed
 * based on the requested URL parameters. Accepts HTTP GET parameters 'limit',
 * 'area', 'section' and 'category'.
 */
function atom()
{
    global $thisarticle, $prefs;
    set_error_handler('feedErrorHandler');
    ob_clean();
    extract($prefs);
    $last = fetch("UNIX_TIMESTAMP(val)", 'txp_prefs', 'name', 'lastmod');
    extract(doSlash(gpsa(array('limit', 'area'))));
    // Build filter criteria from a comma-separated list of sections
    // and categories.
    $feed_filter_limit = get_pref('feed_filter_limit', 10);
    $section = gps('section');
    $category = gps('category');
    if (!is_scalar($section) || !is_scalar($category)) {
        txp_die('Not Found', 404);
    }
    $section = $section ? array_slice(do_list_unique($section), 0, $feed_filter_limit) : array();
    $category = $category ? array_slice(do_list_unique($category), 0, $feed_filter_limit) : array();
    $st = array();
    foreach ($section as $s) {
        $st[] = fetch_section_title($s);
    }
    $ct = array();
    foreach ($category as $c) {
        $ct[] = fetch_category_title($c);
    }
    $sitename .= $section ? ' - ' . join(' - ', $st) : '';
    $sitename .= $category ? ' - ' . join(' - ', $ct) : '';
    $pub = safe_row("RealName, email", 'txp_users', "privs = 1");
    // Feed header.
    $out[] = tag(htmlspecialchars($sitename), 'title', t_text);
    $out[] = tag(htmlspecialchars($site_slogan), 'subtitle', t_text);
    $out[] = '<link' . r_relself . ' href="' . pagelinkurl(array('atom' => 1, 'area' => $area, 'section' => $section, 'category' => $category, 'limit' => $limit)) . '" />';
    $out[] = '<link' . r_relalt . t_texthtml . ' href="' . hu . '" />';
    // Atom feeds with mail or domain name.
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    $out[] = tag('tag:' . $mail_or_domain . ',' . $blog_time_uid . ':' . $blog_uid . ($section ? '/' . join(',', $section) : '') . ($category ? '/' . join(',', $category) : ''), 'id');
    $out[] = tag('Textpattern', 'generator', ' uri="http://textpattern.com/" version="' . $version . '"');
    $out[] = tag(safe_strftime("w3cdtf", $last), 'updated');
    $auth[] = tag($pub['RealName'], 'name');
    $auth[] = $include_email_atom ? tag(eE($pub['email']), 'email') : '';
    $auth[] = tag(hu, 'uri');
    $out[] = tag(n . t . t . join(n . t . t, $auth) . n, 'author');
    $out[] = callback_event('atom_head');
    // Feed items.
    $articles = array();
    $section = doSlash($section);
    $category = doSlash($category);
    if (!$area or $area == 'article') {
        $sfilter = !empty($section) ? "AND Section IN ('" . join("','", $section) . "')" : '';
        $cfilter = !empty($category) ? "AND (Category1 IN ('" . join("','", $category) . "') OR Category2 IN ('" . join("','", $category) . "'))" : '';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $frs = safe_column("name", 'txp_section', "in_rss != '1'");
        $query = array();
        foreach ($frs as $f) {
            $query[] = "AND Section != '" . doSlash($f) . "'";
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $expired = $publish_expired_articles ? " " : " AND (" . now('expires') . " <= Expires OR Expires = " . NULLDATETIME . ") ";
        $rs = safe_rows_start("*,\n            ID AS thisid,\n            UNIX_TIMESTAMP(Posted) AS uPosted,\n            UNIX_TIMESTAMP(Expires) AS uExpires,\n            UNIX_TIMESTAMP(LastMod) AS uLastMod", 'textpattern', "Status = 4 AND Posted <= " . now('posted') . $expired . join(' ', $query) . "ORDER BY Posted DESC LIMIT {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $cb = callback_event('atom_entry');
                $e = array();
                $a['posted'] = $uPosted;
                $a['expires'] = $uExpires;
                if ($show_comment_count_in_feed) {
                    $count = $comments_count > 0 ? ' [' . $comments_count . ']' : '';
                } else {
                    $count = '';
                }
                $thisauthor = get_author_name($AuthorID);
                $e['thisauthor'] = tag(n . t . t . t . tag(htmlspecialchars($thisauthor), 'name') . n . t . t, 'author');
                $e['issued'] = tag(safe_strftime('w3cdtf', $uPosted), 'published');
                $e['modified'] = tag(safe_strftime('w3cdtf', $uLastMod), 'updated');
                $escaped_title = htmlspecialchars($Title);
                $e['title'] = tag($escaped_title . $count, 'title', t_html);
                $permlink = permlinkurl($a);
                $e['link'] = '<link' . r_relalt . t_texthtml . ' href="' . $permlink . '" />';
                $e['id'] = tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, 'id');
                $e['category1'] = trim($Category1) ? '<category term="' . htmlspecialchars($Category1) . '" />' : '';
                $e['category2'] = trim($Category2) ? '<category term="' . htmlspecialchars($Category2) . '" />' : '';
                $summary = trim(replace_relative_urls(parse($thisarticle['excerpt']), $permlink));
                $content = trim(replace_relative_urls(parse($thisarticle['body']), $permlink));
                if ($syndicate_body_or_excerpt) {
                    // Short feed: use body as summary if there's no excerpt.
                    if (!trim($summary)) {
                        $summary = $content;
//.........这里部分代码省略.........

function comment_name($atts)
{
    global $thiscomment, $prefs;
    extract($prefs);
    extract($thiscomment);
    $web = str_replace("http://", "", $web);
    if ($email && !$web && !$never_display_email) {
        $name = '<a href="' . eE('mailto:' . $email) . '"' . (@$txpac['comment_nofollow'] ? ' rel="nofollow"' : '') . '>' . $name . '</a>';
    }
    if ($web) {
        $name = '<a href="http://' . $web . '" title="' . $web . '"' . (@$txpac['comment_nofollow'] ? ' rel="nofollow"' : '') . '>' . $name . '</a>';
    }
    return $name;
}

function comment_name($atts)
{
    global $thiscomment, $prefs;
    assert_comment();
    extract($prefs);
    extract($thiscomment);
    extract(lAtts(array('link' => 1), $atts));
    $name = txpspecialchars($name);
    if ($link) {
        $web = comment_web();
        $nofollow = @$comment_nofollow ? ' rel="nofollow"' : '';
        if (!empty($web)) {
            return '<a href="' . $web . '"' . $nofollow . '>' . $name . '</a>';
        }
        if ($email && !$never_display_email) {
            return '<a href="' . eE('mailto:' . $email) . '"' . $nofollow . '>' . $name . '</a>';
        }
    }
    return $name;
}

function atom()
{
    global $thisarticle;
    extract($GLOBALS['prefs']);
    define("textplain", ' type="text/plain"');
    define("texthtml", ' type="text/html"');
    define("relalt", ' rel="alternate"');
    define('appxhtml', ' type="application/xhtml+xml"');
    define("divxhtml", '<div xmlns="http://www.w3.org/1999/xhtml">');
    $area = doSlash(gps('area'));
    extract(doSlash(gpsa(array('category', 'section', 'limit'))));
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    $sitename .= $section ? ' - ' . $section : '';
    $sitename .= $category ? ' - ' . $category : '';
    $pub = safe_row("RealName, email", "txp_users", "privs=1");
    $out[] = tag($sitename, 'title', textplain);
    $out[] = tag($site_slogan, 'tagline', textplain);
    $out[] = '<link' . relalt . texthtml . ' href="' . hu . '" />';
    $articles = array();
    //Atom feeds with mail or domain name
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    $out[] = tag('tag:' . $mail_or_domain . ',' . $blog_time_uid . ':' . $blog_uid . ($section ? '/' . $section : '') . ($category ? '/' . $category : ''), 'id');
    $out[] = tag('Textpattern', 'generator', ' url="http://textpattern.com" version="' . $version . '"');
    $out[] = tag(date("Y-m-d\\TH:i:s\\Z", $last), 'modified');
    $auth[] = tag($pub['RealName'], 'name');
    $auth[] = $include_email_atom ? tag(eE($pub['email']), 'email') : '';
    $auth[] = tag(hu, 'url');
    $out[] = tag(n . t . t . join(n . t . t, $auth) . n, 'author');
    if (!$area or $area == 'article') {
        $sfilter = $section ? "and Section = '" . $section . "'" : '';
        $cfilter = $category ? "and (Category1='" . $category . "' or Category2='" . $category . "')" : '';
        $limit = $limit ? $limit : '5';
        $frs = safe_column("name", "txp_section", "in_rss != '1'");
        foreach ($frs as $f) {
            $query[] = "and Section != '" . $f . "'";
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $rs = safe_rows_start("*, \n\t\t\t\tID as thisid, \n\t\t\t\tunix_timestamp(Posted) as uPosted,\n\t\t\t\tunix_timestamp(LastMod) as uLastMod", "textpattern", "Status=4 and Posted <= now() " . join(' ', $query) . "order by Posted desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $a['posted'] = $uPosted;
                if ($show_comment_count_in_feed) {
                    $dc = getCount('txp_discuss', "parentid={$ID} and visible=1");
                    $count = $dc > 0 ? ' [' . $dc . ']' : '';
                } else {
                    $count = '';
                }
                $thisauthor = safe_field("RealName", "txp_users", "name='{$AuthorID}'");
                $e['thisauthor'] = tag(n . t . t . t . tag(htmlspecialchars($thisauthor), 'name') . n . t . t, 'author');
                $e['issued'] = tag(gmdate("Y-m-d\\TH:i:s\\Z", $uPosted), 'issued');
                $e['modified'] = tag(gmdate("Y-m-d\\TH:i:s\\Z", $uLastMod), 'modified');
                $escaped_title = safe_hed($Title);
                $escaped_title = preg_replace("/&(?![#a-z0-9]+;)/i", '&amp;', $escaped_title);
                $escaped_title = str_replace('<', '&lt;', $escaped_title);
                $escaped_title = str_replace('>', '&gt;', $escaped_title);
                $e['title'] = tag($escaped_title . $count, 'title');
                $uTitle = $url_title ? $url_title : stripSpace($Title);
                $uTitle = htmlspecialchars($uTitle, ENT_NOQUOTES);
                $permlink = permlinkurl($a);
                $e['link'] = '<link' . relalt . texthtml . ' href="' . $permlink . '" />';
                $e['id'] = tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, 'id');
                $e['subject'] = tag(htmlspecialchars($Category1), 'dc:subject');
                // pull Body or Excerpt?
                $Body = !$syndicate_body_or_excerpt ? $thisarticle['body'] : $thisarticle['excerpt'];
                // if Excerpt is empty, switch back to Body_html
                $Body = !trim($Body) ? $thisarticle['body'] : $Body;
                // fix relative urls
                $Body = str_replace('href="/', 'href="' . hu, $Body);
                $Body = preg_replace("/href=\\\"#(.*)\"/", "href=\"" . permlinkurl($a) . "#\\1\"", $Body);
                $Body = safe_hed($Body);
                // encode and entify
                $Body = preg_replace(array('/</', '/>/', "/'/", '/"/'), array('&#60;', '&#62;', '&#039;', '&#34;'), $Body);
                // encode bare ampersands
                $Body = preg_replace("/&(?![#0-9]+;|\\w+;)/i", '&amp;', $Body);
                $e['content'] = tag(n . $Body . n, 'content', ' type="text/html" mode="escaped"');
                $articles[$ID] = tag(n . t . t . join(n . t . t, $e) . n, 'entry');
                $etags[$ID] = strtoupper(dechex(crc32($articles[$ID])));
                $dates[$ID] = $uLastMod;
            }
        }
    } elseif ($area == 'link') {
        $cfilter = $category ? "category='{$category}'" : '1';
        $limit = $limit ? $limit : 15;
        $rs = safe_rows_start("*", "txp_link", "{$cfilter} order by date desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                $e['title'] = tag(doSpecial($linkname), 'title');
                $content = utf8_encode(htmlspecialchars($description));
                $e['content'] = tag(n . $description . n, 'content', ' type="text/html" mode="escaped"');
                $url = preg_replace("/^\\/(.*)/", "http://{$siteurl}/\$1", $url);
                $url = preg_replace("/&((?U).*)=/", "&amp;\\1=", $url);
                $e['link'] = '<link' . relalt . texthtml . ' href="' . $url . '" />';
                $e['issued'] = tag(gmdate("Y-m-d\\TH:i:s\\Z", $date), 'issued');
                $e['modified'] = tag(gmdate("Y-m-d\\TH:i:s\\Z", $date), 'modified');
                $e['id'] = tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $id, 'id');
//.........这里部分代码省略.........

function comment_name($atts)
{
    global $thiscomment, $prefs;
    assert_comment();
    extract($prefs);
    extract($thiscomment);
    extract(lAtts(array('link' => 1), $atts));
    if ($link) {
        $web = str_replace('http://', '', $web);
        $nofollow = @$comment_nofollow ? ' rel="nofollow"' : '';
        if ($web) {
            return '<a href="http://' . $web . '"' . $nofollow . '>' . $name . '</a>';
        }
        if ($email && !$never_display_email) {
            return '<a href="' . eE('mailto:' . $email) . '"' . $nofollow . '>' . $name . '</a>';
        }
    }
    return $name;
}

function atom()
{
    global $txpac;
    extract($GLOBALS['prefs']);
    define("textplain", ' type="text/plain"');
    define("texthtml", ' type="text/html"');
    define("relalt", ' rel="alternate"');
    define('appxhtml', ' type="application/xhtml+xml"');
    define("divxhtml", '<div xmlns="http://www.w3.org/1999/xhtml">');
    $area = gps('area');
    extract(doSlash(gpsa(array('category', 'section', 'limit'))));
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    $sitename .= $section ? ' - ' . $section : '';
    $sitename .= $category ? ' - ' . $category : '';
    $out[] = tag($sitename, 'title', textplain);
    $out[] = tag($site_slogan, 'tagline', textplain);
    $out[] = '<link' . relalt . texthtml . ' href="http://' . $siteurl . $path_from_root . '" />';
    $out[] = tag('tag:' . $siteurl . ',' . date("Y") . ':/', 'id');
    $out[] = tag('Textpattern', 'generator', ' url="http://textpattern.com" version="g1.17"');
    $out[] = tag(date("Y-m-d\\TH:i:s\\Z", $last), 'modified');
    $pub = safe_row("RealName, email", "txp_users", "privs=1");
    $auth[] = tag($pub['RealName'], 'name');
    $auth[] = $txpac['include_email_atom'] ? tag(eE($pub['email']), 'email') : '';
    $auth[] = tag('http://' . $siteurl . $path_from_root, 'url');
    $out[] = tag(n . t . t . join(n . t . t, $auth) . n, 'author');
    if (!$area or $area == 'article') {
        $sfilter = $section ? "and Section = '" . $section . "'" : '';
        $cfilter = $category ? "and (Category1='" . $category . "' or Category2='" . $category . "')" : '';
        $limit = $limit ? $limit : '5';
        $frs = safe_column("name", "txp_section", "in_rss != '1'");
        foreach ($frs as $f) {
            $query[] = "and Section != '" . $f . "'";
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $rs = safe_rows("*, unix_timestamp(Posted) as uPosted,unix_timestamp(LastMod) as uLastMod", "textpattern", "Status=4 and Posted <= now() " . join(' ', $query) . "order by Posted desc limit {$limit}");
        if ($rs) {
            foreach ($rs as $a) {
                extract($a);
                if ($txpac['show_comment_count_in_feed']) {
                    $dc = getCount('txp_discuss', "parentid={$ID} and visible=1");
                    $count = $dc > 0 ? ' [' . $dc . ']' : '';
                } else {
                    $count = '';
                }
                $e['issued'] = tag(date("Y-m-d\\TH:i:s\\Z", $uPosted), 'issued');
                $e['modified'] = tag(date("Y-m-d\\TH:i:s\\Z", $uLastMod), 'modified');
                $e['title'] = tag($Title . $count, 'title');
                $elink = $url_mode == 0 ? 'http://' . $siteurl . $path_from_root . 'index.php?id=' . $ID : 'http://' . $siteurl . $path_from_root . $Section . '/' . $ID . '/';
                $e['link'] = '<link' . relalt . texthtml . ' href="' . $elink . '" />';
                $e['id'] = tag('tag:' . $siteurl . ',' . date("Y-m-d", $uPosted) . ':' . $ID, 'id');
                $e['subject'] = tag(htmlspecialchars($Category1), 'dc:subject');
                // pull Body or Excerpt?
                $Body = !$txpac['syndicate_body_or_excerpt'] ? $Body_html : $Excerpt;
                // if Excerpt is empty, switch back to Body_html
                $Body = !trim($Body) ? $Body_html : $Body;
                // fix relative urls
                $Body = str_replace('href="/', 'href="http://' . $siteurl . '/', $Body);
                // encode and entify
                $Body = utf8_encode(htmlspecialchars($Body));
                $e['content'] = tag(n . $Body . n, 'content', ' type="text/html" mode="escaped" xml:lang="en"');
                $out[] = tag(n . t . t . join(n . t . t, $e) . n, 'entry');
            }
        }
    } elseif ($area == 'link') {
        $cfilter = $category ? "category='{$category}'" : '1';
        $limit = $limit ? $limit : 15;
        $rs = safe_rows("*", "txp_link", "{$cfilter} order by date desc limit {$limit}");
        if ($rs) {
            foreach ($rs as $a) {
                extract($a);
                $e['title'] = tag(doSpecial($linkname), 'title');
                $content = utf8_encode(htmlspecialchars($description));
                $e['content'] = tag(n . $description . n, 'content', ' type="text/html" mode="escaped" xml:lang="en"');
                $url = preg_replace("/^\\/(.*)/", "http://{$siteurl}/\$1", $url);
                $e['link'] = '<link' . relalt . texthtml . ' href="' . $url . '" />';
                $out[] = tag(n . t . t . join(n . t . t, $e) . n, 'entry');
            }
        }
    }
    if (!empty($out)) {
        ob_start();
        header('Content-type: text/xml');
        return chr(60) . '?xml version="1.0" encoding="UTF-8"?' . chr(62) . n . '<feed version="0.3" xmlns="http://purl.org/atom/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">' . join(n, $out) . '</feed>';
    }
}

function email($atts)
{
    if (is_array($atts)) {
        extract($atts);
    }
    if (!empty($email)) {
        $out = array('<a href="' . eE('mailto:' . $email) . '"', !empty($title) ? ' title="' . $title . '"' : '', '>', empty($linktext) ? gTxt('contact') : $linktext, '</a>');
        return join('', $out);
    }
    return '<txp:notice message="malformed email tag />"';
}

function render_feed($rs, $area, $type, $feedtitle, $atom_self_ref, $atom_id_ext)
{
    global $prefs, $thisarticle;
    extract($prefs);
    set_error_handler('tagErrorHandler');
    $atom = $type == 'atom';
    if ($atom) {
        define("t_texthtml", ' type="text/html"');
        define("t_text", ' type="text"');
        define("t_html", ' type="html"');
        define("t_xhtml", ' type="xhtml"');
        define('t_appxhtml', ' type="xhtml"');
        define("r_relalt", ' rel="alternate"');
        define("r_relself", ' rel="self"');
    } else {
        define("t_texthtml", '');
        define("t_text", '');
        define("t_html", '');
        define("t_xhtml", '');
        define('t_appxhtml', '');
        define("r_relalt", '');
        define("r_relself", '');
    }
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    if ($atom) {
        $out[] = tag('Textpattern', 'generator', ' uri="http://textpattern.com/" version="' . $version . '"');
        $out[] = tag(htmlspecialchars($feedtitle), 'title', t_text);
        $out[] = tag(htmlspecialchars($site_slogan), 'subtitle', t_text);
        $out[] = tag(safe_strftime("w3cdtf", $last), 'updated');
        $out[] = '<link' . r_relself . ' href="' . $atom_self_ref . '" />';
        $out[] = '<link' . r_relalt . t_texthtml . ' href="' . hu . '" />';
        //Atom feeds with mail or domain name
        $out[] = tag('tag:' . $mail_or_domain . ',' . $blog_time_uid . ':' . $blog_uid . $atom_id_ext, 'id');
        $pub = safe_row("RealName, email", "txp_users", "privs=1");
        $auth[] = tag($pub['RealName'], 'name');
        $auth[] = $include_email_atom ? tag(eE($pub['email']), 'email') : '';
        $auth[] = tag(hu, 'uri');
        $out[] = tag(n . t . t . join(n . t . t, $auth) . n, 'author');
    } else {
        $out[] = tag('http://textpattern.com/?v=' . $version, 'generator');
        $out[] = tag(doSpecial($feedtitle), 'title');
        $out[] = tag(doSpecial($site_slogan), 'description');
        $out[] = tag(safe_strftime('rfc822', $last), 'pubDate');
        $out[] = tag(hu, 'link');
        $out[] = '<atom:link href="' . $atom_self_ref . '" rel="self" type="application/rss+xml" />';
    }
    $out[] = callback_event($atom ? 'atom_head' : 'rss_head');
    $articles = array();
    if (!$area or $area == 'article') {
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $cb = callback_event($atom ? 'atom_entry' : 'rss_entry');
                $e = array();
                $thisauthor = doSpecial(get_author_name($AuthorID));
                $thisauthor = tag($thisauthor, $atom ? 'name' : 'dc:creator');
                if ($atom) {
                    $thisauthor = tag(n . t . t . t . $thisauthor . n . t . t, 'author');
                }
                $e['thisauthor'] = $thisauthor;
                if ($atom) {
                    $e['issued'] = tag(safe_strftime('w3cdtf', $uPosted), 'published');
                } else {
                    $e['issued'] = tag(safe_strftime('rfc822', $uPosted), 'pubDate');
                }
                if ($atom) {
                    $e['modified'] = tag(safe_strftime('w3cdtf', $uLastMod), 'updated');
                    $e['category1'] = trim($Category1) ? '<category term="' . doSpecial($Category1) . '" />' : '';
                    $e['category2'] = trim($Category2) ? '<category term="' . doSpecial($Category2) . '" />' : '';
                }
                $count = '';
                if ($show_comment_count_in_feed && $comments_count > 0) {
                    $count = ' [' . $comments_count . ']';
                }
                $escaped_title = $atom ? htmlspecialchars($Title) : htmlspecialchars(strip_tags($Title));
                $e['title'] = tag($escaped_title . $count, 'title', t_html);
                $a['posted'] = $uPosted;
                $permlink = permlinkurl($a);
                if ($atom) {
                    $e['link'] = '<link' . r_relalt . t_texthtml . ' href="' . $permlink . '" />';
                } else {
                    $e['link'] = tag($permlink, 'link');
                }
                $e['id'] = tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, $atom ? 'id' : 'guid', $atom ? '' : ' isPermaLink="false"');
                $summary = trim(replace_relative_urls(parse($thisarticle['excerpt']), $permlink));
                $content = trim(replace_relative_urls(parse($thisarticle['body']), $permlink));
                if ($syndicate_body_or_excerpt) {
                    # short feed: use body as summary if there's no excerpt
                    if (!trim($summary)) {
                        $summary = $content;
                    }
                    $content = '';
                }
                if (trim($summary)) {
                    $e['summary'] = tag(n . escape_cdata($summary) . n, $atom ? 'summary' : 'description', t_html);
                }
                if (trim($content)) {
//.........这里部分代码省略.........

function rss()
{
    global $prefs, $thisarticle;
    extract($prefs);
    extract(doSlash(gpsa(array('category', 'section', 'limit', 'area'))));
    $area = gps('area');
    $sitename .= $section ? ' - ' . $section : '';
    $sitename .= $category ? ' - ' . $category : '';
    $dn = explode('/', $siteurl);
    $mail_or_domain = $use_mail_on_feeds_id ? eE($blog_mail_uid) : $dn[0];
    $out[] = tag('http://textpattern.com/?v=' . $version, 'generator');
    $out[] = tag(doSpecial($sitename), 'title');
    $out[] = tag(hu, 'link');
    $out[] = tag(doSpecial($site_slogan), 'description');
    $last = fetch('unix_timestamp(val)', 'txp_prefs', 'name', 'lastmod');
    $out[] = tag(safe_strftime('rfc822', $last), 'pubDate');
    $articles = array();
    if (!$area or $area == 'article') {
        $sfilter = $section ? "and Section = '" . $section . "'" : '';
        $cfilter = $category ? "and (Category1='" . $category . "' or Category2='" . $category . "')" : '';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $frs = safe_column("name", "txp_section", "in_rss != '1'");
        if ($frs) {
            foreach ($frs as $f) {
                $query[] = "and Section != '" . doSlash($f) . "'";
            }
        }
        $query[] = $sfilter;
        $query[] = $cfilter;
        $rs = safe_rows_start("*, unix_timestamp(Posted) as uPosted, ID as thisid", "textpattern", "Status = 4 " . join(' ', $query) . "and Posted < now() order by Posted desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                populateArticleData($a);
                $cb = callback_event('rss_entry');
                $a['posted'] = $uPosted;
                $permlink = permlinkurl($a);
                $summary = trim(replace_relative_urls(parse($thisarticle['excerpt']), $permlink));
                $content = trim(replace_relative_urls(parse($thisarticle['body']), $permlink));
                if ($syndicate_body_or_excerpt) {
                    # short feed: use body as summary if there's no excerpt
                    if (!trim($summary)) {
                        $summary = $content;
                    }
                    $content = '';
                }
                if ($show_comment_count_in_feed) {
                    $count = $comments_count > 0 ? ' [' . $comments_count . ']' : '';
                } else {
                    $count = '';
                }
                $Title = escape_output(strip_tags($Title)) . $count;
                $thisauthor = get_author_name($AuthorID);
                $item = tag($Title, 'title') . n . (trim($summary) ? tag(n . escape_cdata($summary) . n, 'description') . n : '') . (trim($content) ? tag(n . escape_cdata($content) . n, 'content:encoded') . n : '') . tag($permlink, 'link') . n . tag(safe_strftime('rfc822', $a['posted']), 'pubDate') . n . tag(htmlspecialchars($thisauthor), 'dc:creator') . n . tag('tag:' . $mail_or_domain . ',' . $feed_time . ':' . $blog_uid . '/' . $uid, 'guid', ' isPermaLink="false"') . n . $cb;
                $articles[$ID] = tag($item, 'item');
                $etags[$ID] = strtoupper(dechex(crc32($articles[$ID])));
                $dates[$ID] = $uPosted;
            }
        }
    } elseif ($area == 'link') {
        $cfilter = $category ? "category='{$category}'" : '1';
        $limit = $limit ? $limit : $rss_how_many;
        $limit = intval(min($limit, max(100, $rss_how_many)));
        $rs = safe_rows_start("*, unix_timestamp(date) as uDate", "txp_link", "{$cfilter} order by date desc limit {$limit}");
        if ($rs) {
            while ($a = nextRow($rs)) {
                extract($a);
                $item = tag(doSpecial($linkname), 'title') . n . tag(doSpecial($description), 'description') . n . tag(doSpecial($url), 'link') . n . tag(safe_strftime('rfc822', $uDate), 'pubDate');
                $articles[$id] = tag($item, 'item');
                $etags[$id] = strtoupper(dechex(crc32($articles[$id])));
                $dates[$id] = $date;
            }
        }
    }
    //turn on compression if we aren't using it already
    if (extension_loaded('zlib') && ini_get("zlib.output_compression") == 0 && ini_get('output_handler') != 'ob_gzhandler' && !headers_sent()) {
        @ob_start("ob_gzhandler");
    }
    handle_lastmod();
    $hims = serverset('HTTP_IF_MODIFIED_SINCE');
    $imsd = $hims ? strtotime($hims) : 0;
    if (is_callable('apache_request_headers')) {
        $headers = apache_request_headers();
        if (isset($headers["A-IM"])) {
            $canaim = strpos($headers["A-IM"], "feed");
        } else {
            $canaim = false;
        }
    } else {
        $canaim = false;
    }
    $hinm = stripslashes(serverset('HTTP_IF_NONE_MATCH'));
    $cutarticles = false;
    if ($canaim !== false) {
        foreach ($articles as $id => $thing) {
            if (strpos($hinm, $etags[$id]) !== false) {
                unset($articles[$id]);
                $cutarticles = true;
                $cut_etag = true;
//.........这里部分代码省略.........

function _sed_build_href($text, $href, $title)
{
    #	Builds an 'a' hyperlink using the $text, $href strings and (optional)$title string.
    #
    #	The $href parameter needs to include the resource ID at the beginning...
    #	Emails:				mailto:
    #  Off-site links: 	http://
    #
    #	Unless they are on-site links.
    $result = '';
    $href = strtolower($href);
    if (strstr($href, 'mailto:')) {
        $href = eE($href);
        $text = eE($text);
        $title = eE($title);
    }
    if (empty($title)) {
        $result = "<a href=\"{$href}\">{$text}</a>";
    } else {
        $result = "<a href=\"{$href}\" title=\"{$title}\">{$text}</a>";
    }
    return $result;
}

function zem_data_field(&$obj, $atts)
{
    extract(lAtts(array('type' => '', 'field' => '', 'wraptag' => '', 'class' => 'zem_data_field', 'format' => '', 'title' => '', 'title_format' => '', 'label' => '', 'sep' => ': ', 'escape' => '1', 'linktext' => NULL, 'default' => ''), $atts, 0));
    $attr = '';
    if (!$obj) {
        return;
    }
    if (!array_key_exists($field, $obj)) {
        trigger_error(gTxt('unknown_field', array('{field}' => $field)));
    }
    if (empty($obj[$field])) {
        if ($default) {
            $out = $default;
        } else {
            return '';
        }
    } else {
        $out = $obj[$field];
    }
    if ($type == 'date' and $format) {
        $out = zem_strftime($format, strtotime($out));
    }
    if ($type == 'date' and $title_format) {
        $attr = ' title="' . zem_strftime($title_format, strtotime($out)) . '"';
    }
    if ($escape) {
        $out = escape_output($out);
    }
    if ($type == 'permlink') {
        $out = permlink(array('class' => $class, 'id' => $out), $linktext);
    } elseif ($type == 'link') {
        $out = href($linktext, $out);
    } elseif ($type == 'email') {
        $out = eE($out);
    } elseif ($type == 'emaillink') {
        $out = href($linktext, 'mailto:' . eE($out));
    }
    $pre = '';
    if ($label) {
        $pre = $label . $sep;
    }
    return doTag($pre . $out, $wraptag, $class, $attr);
}