256 lines
8.5 KiB
PHP
256 lines
8.5 KiB
PHP
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<?php
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/**
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* Simple Machines Forum (SMF)
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*
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* @package SMF
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* @author Simple Machines http://www.simplemachines.org
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* @copyright 2011 Simple Machines
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* @license http://www.simplemachines.org/about/smf/license.php BSD
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*
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* @version 2.0
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*/
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if (!defined('SMF'))
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die('Hacking attempt...');
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/* This file currently only holds the function for showing a list of online
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users used by the board index and SSI. In the future it'll also contain
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functions used by the Who's online page.
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array getMembersOnlineStats(array membersOnlineOptions)
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- retrieve a list and several other statistics of the users currently
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online on the forum.
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- used by the board index and SSI.
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- also returns the membergroups of the users that are currently online.
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- (optionally) hides members that chose to hide their online presense.
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*/
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// Retrieve a list and several other statistics of the users currently online.
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function getMembersOnlineStats($membersOnlineOptions)
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{
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global $smcFunc, $context, $scripturl, $user_info, $modSettings, $txt;
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// The list can be sorted in several ways.
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$allowed_sort_options = array(
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'log_time',
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'real_name',
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'show_online',
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'online_color',
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'group_name',
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);
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// Default the sorting method to 'most recent online members first'.
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if (!isset($membersOnlineOptions['sort']))
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{
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$membersOnlineOptions['sort'] = 'log_time';
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$membersOnlineOptions['reverse_sort'] = true;
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}
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// Not allowed sort method? Bang! Error!
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elseif (!in_array($membersOnlineOptions['sort'], $allowed_sort_options))
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trigger_error('Sort method for getMembersOnlineStats() function is not allowed', E_USER_NOTICE);
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// Initialize the array that'll be returned later on.
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$membersOnlineStats = array(
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'users_online' => array(),
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'list_users_online' => array(),
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'online_groups' => array(),
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'num_guests' => 0,
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'num_spiders' => 0,
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'num_buddies' => 0,
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'num_users_hidden' => 0,
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'num_users_online' => 0,
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);
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// Get any spiders if enabled.
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$spiders = array();
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$spider_finds = array();
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if (!empty($modSettings['show_spider_online']) && ($modSettings['show_spider_online'] < 3 || allowedTo('admin_forum')) && !empty($modSettings['spider_name_cache']))
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$spiders = unserialize($modSettings['spider_name_cache']);
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// Load the users online right now.
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$request = $smcFunc['db_query']('', '
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SELECT
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lo.id_member, lo.log_time, lo.id_spider, mem.real_name, mem.member_name, mem.show_online,
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mg.online_color, mg.id_group, mg.group_name
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FROM {db_prefix}log_online AS lo
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LEFT JOIN {db_prefix}members AS mem ON (mem.id_member = lo.id_member)
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LEFT JOIN {db_prefix}membergroups AS mg ON (mg.id_group = CASE WHEN mem.id_group = {int:reg_mem_group} THEN mem.id_post_group ELSE mem.id_group END)',
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array(
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'reg_mem_group' => 0,
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)
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);
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while ($row = $smcFunc['db_fetch_assoc']($request))
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{
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if (empty($row['real_name']))
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{
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// Do we think it's a spider?
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if ($row['id_spider'] && isset($spiders[$row['id_spider']]))
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{
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$spider_finds[$row['id_spider']] = isset($spider_finds[$row['id_spider']]) ? $spider_finds[$row['id_spider']] + 1 : 1;
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$membersOnlineStats['num_spiders']++;
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}
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// Guests are only nice for statistics.
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$membersOnlineStats['num_guests']++;
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continue;
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}
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elseif (empty($row['show_online']) && empty($membersOnlineOptions['show_hidden']))
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{
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// Just increase the stats and don't add this hidden user to any list.
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$membersOnlineStats['num_users_hidden']++;
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continue;
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}
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// Some basic color coding...
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if (!empty($row['online_color']))
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$link = '<a href="' . $scripturl . '?action=profile;u=' . $row['id_member'] . '" style="color: ' . $row['online_color'] . ';">' . $row['real_name'] . '</a>';
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else
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$link = '<a href="' . $scripturl . '?action=profile;u=' . $row['id_member'] . '">' . $row['real_name'] . '</a>';
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// Buddies get counted and highlighted.
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$is_buddy = in_array($row['id_member'], $user_info['buddies']);
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if ($is_buddy)
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{
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$membersOnlineStats['num_buddies']++;
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$link = '<strong>' . $link . '</strong>';
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}
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// A lot of useful information for each member.
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$membersOnlineStats['users_online'][$row[$membersOnlineOptions['sort']] . $row['member_name']] = array(
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'id' => $row['id_member'],
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'username' => $row['member_name'],
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'name' => $row['real_name'],
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'group' => $row['id_group'],
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'href' => $scripturl . '?action=profile;u=' . $row['id_member'],
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'link' => $link,
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'is_buddy' => $is_buddy,
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'hidden' => empty($row['show_online']),
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'is_last' => false,
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);
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// This is the compact version, simply implode it to show.
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$membersOnlineStats['list_users_online'][$row[$membersOnlineOptions['sort']] . $row['member_name']] = empty($row['show_online']) ? '<em>' . $link . '</em>' : $link;
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// Store all distinct (primary) membergroups that are shown.
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if (!isset($membersOnlineStats['online_groups'][$row['id_group']]))
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$membersOnlineStats['online_groups'][$row['id_group']] = array(
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'id' => $row['id_group'],
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'name' => $row['group_name'],
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'color' => $row['online_color']
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);
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}
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$smcFunc['db_free_result']($request);
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// If there are spiders only and we're showing the detail, add them to the online list - at the bottom.
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if (!empty($spider_finds) && $modSettings['show_spider_online'] > 1)
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foreach ($spider_finds as $id => $count)
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{
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$link = $spiders[$id] . ($count > 1 ? ' (' . $count . ')' : '');
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$sort = $membersOnlineOptions['sort'] = 'log_time' && $membersOnlineOptions['reverse_sort'] ? 0 : 'zzz_';
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$membersOnlineStats['users_online'][$sort . $spiders[$id]] = array(
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'id' => 0,
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'username' => $spiders[$id],
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'name' => $link,
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'group' => $txt['spiders'],
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'href' => '',
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'link' => $link,
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'is_buddy' => false,
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'hidden' => false,
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'is_last' => false,
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);
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$membersOnlineStats['list_users_online'][$sort . $spiders[$id]] = $link;
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}
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// Time to sort the list a bit.
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if (!empty($membersOnlineStats['users_online']))
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{
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// Determine the sort direction.
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$sortFunction = empty($membersOnlineOptions['reverse_sort']) ? 'ksort' : 'krsort';
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// Sort the two lists.
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$sortFunction($membersOnlineStats['users_online']);
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$sortFunction($membersOnlineStats['list_users_online']);
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// Mark the last list item as 'is_last'.
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$userKeys = array_keys($membersOnlineStats['users_online']);
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$membersOnlineStats['users_online'][end($userKeys)]['is_last'] = true;
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}
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// Also sort the membergroups.
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ksort($membersOnlineStats['online_groups']);
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// Hidden and non-hidden members make up all online members.
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$membersOnlineStats['num_users_online'] = count($membersOnlineStats['users_online']) + $membersOnlineStats['num_users_hidden'] - (isset($modSettings['show_spider_online']) && $modSettings['show_spider_online'] > 1 ? count($spider_finds) : 0);
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return $membersOnlineStats;
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}
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// Check if the number of users online is a record and store it.
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function trackStatsUsersOnline($total_users_online)
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{
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global $modSettings, $smcFunc;
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$settingsToUpdate = array();
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// More members on now than ever were? Update it!
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if (!isset($modSettings['mostOnline']) || $total_users_online >= $modSettings['mostOnline'])
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$settingsToUpdate = array(
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'mostOnline' => $total_users_online,
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'mostDate' => time()
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);
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$date = strftime('%Y-%m-%d', forum_time(false));
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// No entry exists for today yet?
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if (!isset($modSettings['mostOnlineUpdated']) || $modSettings['mostOnlineUpdated'] != $date)
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{
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$request = $smcFunc['db_query']('', '
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SELECT most_on
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FROM {db_prefix}log_activity
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WHERE date = {date:date}
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LIMIT 1',
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array(
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'date' => $date,
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)
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);
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// The log_activity hasn't got an entry for today?
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if ($smcFunc['db_num_rows']($request) === 0)
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{
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$smcFunc['db_insert']('ignore',
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'{db_prefix}log_activity',
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array('date' => 'date', 'most_on' => 'int'),
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array($date, $total_users_online),
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array('date')
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);
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}
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// There's an entry in log_activity on today...
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else
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{
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list ($modSettings['mostOnlineToday']) = $smcFunc['db_fetch_row']($request);
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if ($total_users_online > $modSettings['mostOnlineToday'])
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trackStats(array('most_on' => $total_users_online));
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$total_users_online = max($total_users_online, $modSettings['mostOnlineToday']);
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}
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$smcFunc['db_free_result']($request);
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$settingsToUpdate['mostOnlineUpdated'] = $date;
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$settingsToUpdate['mostOnlineToday'] = $total_users_online;
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}
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// Highest number of users online today?
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elseif ($total_users_online > $modSettings['mostOnlineToday'])
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{
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trackStats(array('most_on' => $total_users_online));
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$settingsToUpdate['mostOnlineToday'] = $total_users_online;
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}
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if (!empty($settingsToUpdate))
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updateSettings($settingsToUpdate);
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}
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?>
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