at_user.php

<?php
require "include/bittorrent.php";
dbconn();
// Send some headers to keep the user's browser from caching the response.
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: text/xml; charset=utf-8");
global $CURUSER;

$tjupt_famousname = array(
    "吉祥物" => $CURUSER ["username"],
    "游客" => "游客",
    "4舰" => "4thfleet",
    "螃蟹姐" => "crazicrab",
    "k学姐" => "kaiser",
    "学姐" => "kaiser",
    "卡卡龙" => "kakalong2010",
    "2k" => "lied2k",
    "李姐" => "小五",
    "烧鸡" => "sking"
);

if (isset ($_POST ['str']) && $_POST ['str'] != '') {
    $searchstr = trim($_POST ['str']);

    global $Cache;
    $result = $Cache->get_value('suggest_at_users_' . $searchstr);
    if (!$result) {

        $suggest_query = sql_query("SELECT username, title, class FROM users WHERE username LIKE " . sqlesc($searchstr . "%") . " or title LIKE " . sqlesc($searchstr . "%") . " ORDER BY username LIMIT 5");
        unset ($result);

        while ($suggest = mysql_fetch_array($suggest_query)) {
            if ($suggest ['title'] != "") {
                $result [] = array(
                    'username' => $suggest ['username'],
                    'usertitle' => $suggest ['title']
                );
            } else {
                switch ($suggest ['class']) {
                    case UC_PEASANT :
                        {
                            $class_name = 'Peasant';
                            break;
                        }
                    case UC_USER :
                        {
                            $class_name = 'User';
                            break;
                        }
                    case UC_POWER_USER :
                        {
                            $class_name = 'Power User';
                            break;
                        }
                    case UC_ELITE_USER :
                        {
                            $class_name = 'Elite User';
                            break;
                        }
                    case UC_CRAZY_USER :
                        {
                            $class_name = 'Crazy User';
                            break;
                        }
                    case UC_INSANE_USER :
                        {
                            $class_name = 'Insane User';
                            break;
                        }
                    case UC_VETERAN_USER :
                        {
                            $class_name = 'Veteran User';
                            break;
                        }
                    case UC_EXTREME_USER :
                        {
                            $class_name = 'Extreme User';
                            break;
                        }
                    case UC_ULTIMATE_USER :
                        {
                            $class_name = 'Ultimate User';
                            break;
                        }
                    case UC_NEXUS_MASTER :
                        {
                            $class_name = 'Nexus Master';
                            break;
                        }
                    case UC_VIP :
                        {
                            $class_name = '贵宾';
                            break;
                        }
                    case UC_UPLOADER :
                        {
                            $class_name = '发布员';
                            break;
                        }
                    case UC_RETIREE :
                        {
                            $class_name = '养老族';
                            break;
                        }
                    /*
                case UC_FORUM_MODERATOR :
                    {
                        $class_name = '论坛版主';
                        break;
                    }
                    */
                    case UC_MODERATOR :
                        {
                            $class_name = '类管理员';
                            break;
                        }
                    case UC_ADMINISTRATOR :
                        {
                            $class_name = '管理员';
                            break;
                        }
                    case UC_SYSOP :
                        {
                            $class_name = '维护开发员';
                            break;
                        }
                    case UC_STAFFLEADER :
                        {
                            $class_name = '主管';
                            break;
                        }
                }
                $result [] = array(
                    'username' => $suggest ['username'],
                    'usertitle' => $class_name
                );
            }
        }

        if (!$result || count($result) < 5) {
            if ($tjupt_famousname [$searchstr]) {
                $result [] = array(
                    'username' => $tjupt_famousname [$searchstr],
                    'usertitle' => $_POST ['str'] . "被推倒了~"
                );
            }
        }

        $Cache->cache_value('suggest_at_users_' . $searchstr, $result, 900);
    }
}
if (!$result) {
    $result [] = array(
        'username' => $_POST ['str'],
        'usertitle' => "吉祥物找不到你的TA"
    );
}
echo json_encode($result);