<?php

require_once('SSI.php');

if ($modSettings['smfVersion'] < '1.1')
    ob_start('ob_sessrewrite');

header('Content-Type: text/plain');

echo '<?xml version="1.0" encoding="UTF-8"?' . '>
<urlset xmlns="http://www.google.com/schemas/sitemap/0.84">';

$request = db_query("
    SELECT posterTime
    FROM {$db_prefix}messages
    WHERE ID_MSG >= " . ($modSettings['maxMsgID'] - 30) . "
    ORDER BY ID_MSG DESC
    LIMIT 10", __FILE__, __LINE__);
$latest_post_times = array(time());
while ($row = mysql_fetch_assoc($request))
    $latest_post_times[] = $row['posterTime'];
mysql_free_result($request);

$request = db_query("
    SELECT ID_BOARD
    FROM {$db_prefix}boards", __FILE__, __LINE__);
$boards = array();
while ($row = mysql_fetch_assoc($request))
{
    $request2 = db_query("
        SELECT posterTime
        FROM {$db_prefix}messages
        WHERE ID_BOARD = $row[ID_BOARD]" . ($modSettings['totalMessages'] > 100000 ? "
            AND ID_MSG >= " . ($modSettings['maxMsgID'] * 0.5) : '') . "
        ORDER BY ID_MSG DESC
        LIMIT 10", __FILE__, __LINE__);
    $board_post_times = array(time());
    while ($row2 = mysql_fetch_assoc($request2))
        $board_post_times[] = $row2['posterTime'];
    mysql_free_result($request2);

    $boards[] = array(
        'id' => $row['ID_BOARD'],
        'times' => $board_post_times,
    );
}
mysql_free_result($request);

$request = db_query("
    SELECT ID_TOPIC
    FROM {$db_prefix}topics
    ORDER BY numViews + numReplies DESC
    LIMIT 1000", __FILE__, __LINE__);
$topics = array();
while ($row = mysql_fetch_assoc($request))
{
    $request2 = db_query("
        SELECT posterTime
        FROM {$db_prefix}messages
        WHERE ID_TOPIC = $row[ID_TOPIC]
        ORDER BY ID_MSG DESC
        LIMIT 10", __FILE__, __LINE__);
    $topic_post_times = array(time());
    while ($row2 = mysql_fetch_assoc($request2))
        $topic_post_times[] = $row2['posterTime'];
    mysql_free_result($request2);

    $topics[] = array(
        'id' => $row['ID_TOPIC'],
        'times' => $topic_post_times,
    );
}
mysql_free_result($request);

$request = db_query("
    SELECT ID_MEMBER
    FROM {$db_prefix}members
    ORDER BY totalTimeLoggedIn DESC
    LIMIT 20", __FILE__, __LINE__);
$members = array();
while ($row = mysql_fetch_assoc($request))
{
    $request2 = db_query("
        SELECT posterTime
        FROM {$db_prefix}messages
        WHERE ID_MEMBER = $row[ID_MEMBER]" . ($modSettings['totalMessages'] > 100000 ? "
            AND ID_MSG >= " . ($modSettings['maxMsgID'] * 0.5) : '') . "
        ORDER BY ID_MSG DESC
        LIMIT 10", __FILE__, __LINE__);
    $member_post_times = array(time());
    while ($row2 = mysql_fetch_assoc($request2))
        $member_post_times[] = $row2['posterTime'];
    mysql_free_result($request2);

    $members[] = array(
        'id' => $row['ID_MEMBER'],
        'times' => $member_post_times,
    );
}
mysql_free_result($request);

// First, the forum URL.  Highest priority!
echo '
    <url>
        <loc>', $scripturl, '</loc>
        <lastmod>', posts_max_time($latest_post_times), '</lastmod>
        <changefreq>', posts_to_freq($latest_post_times), '</changefreq>
        <priority>1.0</priority>
    </url>';

// Now the boards!
foreach ($boards as $board)
{
    echo '
    <url>
        <loc>', $scripturl, '?board=', $board['id'], '.0</loc>
        <lastmod>', posts_max_time($board['times']), '</lastmod>
        <changefreq>', posts_to_freq($board['times']), '</changefreq>
        <priority>', posts_to_priority(0.8, $board['times']), '</priority>
    </url>';
}

// Popular topics too...
foreach ($topics as $topic)
{
    echo '
    <url>
        <loc>', $scripturl, '?topic=', $topic['id'], '.0</loc>
        <lastmod>', posts_max_time($topic['times']), '</lastmod>
        <changefreq>', posts_to_freq($topic['times']), '</changefreq>
        <priority>', posts_to_priority(0.7, $board['times']), '</priority>
    </url>';
}

// Most active members?
foreach ($members as $member)
{
    echo '
    <url>
        <loc>', $scripturl, '?action=profile;u=', $member['id'], '</loc>
        <lastmod>', posts_max_time($member['times']), '</lastmod>
        <changefreq>', posts_to_freq($member['times']), '</changefreq>
        <priority>', posts_to_priority(0.5, $board['times']), '</priority>
    </url>';
}

echo '
</urlset>';

function posts_max_time($post_times)
{
    if (empty($post_times) || count($post_times) == 1)
        return gmstrftime('%Y-%m-%dT%H:%M:%S+00:00', time() - 3600 * 24 * 10);

    return gmstrftime('%Y-%m-%dT%H:%M:%S+00:00', max($post_times));
}

function posts_to_priority($base, $post_times)
{
    if (empty($post_times) || count($post_times) == 1)
        return sprintf('%1.1f', $base);

    $s = (max($post_times) - min($post_times)) / count($post_times);

    if ($s < 3600 * 24)
        $mod = 0.1;
    else
        $mod = 0;

    return sprintf('%1.1f', $base + $mod);
}

function posts_to_freq($post_times)
{
    if (empty($post_times) || count($post_times) == 1)
        return 'yearly';

    $s = (max($post_times) - min($post_times)) / count($post_times);

    // Changes more often than every hour.
    if ($s < 3600)
        return 'always';
    elseif ($s < 3600 * 12)
        return 'hourly';
    elseif ($s < 3600 * 24 * 4)
        return 'daily';
    else
        return 'monthly';
}

?>

ilkinin değeri konu sayısını belirler. bunu da konu sayının biraz daha üstüne ayarlarsan sorun olmaz. ikinci kırmızı da kullanıcı profilleri. kaç tane istersen ayarlayabilirsin.