zhangjingyu 
require/common.php文件中整个函数为（前9行为注释，无实际意义，起说明作用）：
/**
* 获取友好的时间信息
*
* @global int $timestamp
* @global string $tdtime
* @param int $time 时间戳
* @param int $type 类型
* @return array
*/
function getLastDate($time, $type = 1) {
    global $timestamp, $tdtime;
    static $timelang = false;
    if ($timelang == false) {
        $timelang = array('second' => getLangInfo('other', 'second'), 'yesterday' => getLangInfo('other', 'yesterday'),
            'hour' => getLangInfo('other', 'hour'), 'minute' => getLangInfo('other', 'minute'),
            'qiantian' => getLangInfo('other', 'qiantian'));
    }
    $decrease = $timestamp - $time;
    $thistime = PwStrtoTime(get_date($time, 'Y-m-d'));
    $thisyear = PwStrtoTime(get_date($time, 'Y'));
    $thistime_without_day = get_date($time, 'H:i');
    $yeartime = PwStrtoTime(get_date($timestamp, 'Y'));
    $result = get_date($time);
    if ($decrease '分钟前',
'qiantian'=> '前天',
'second'=> '秒前',