php父类与子类读取数据代码

setquery($sql);
    $rows = $db->loadobjectlist();
    $list = array();
    // 先从数据得到记录集，再对记录添加level, 父层level = 0,它的下级level = 1，如此类推
    foreach ($rows as $row) {
        $row->level = $level;
        $list[] = $row;
        $tmparr = getsubcomments($row->id, $level + 1); // 递归调用
        if (count($tmparr)) {
            foreach ($tmparr as $tmprow) {
                $list[] = $tmprow;
            }
        }
    }
    return $list;
}
$list = array();
foreach ($tmplist as $row) {
    $row->level = 0;
    $list[] = $row;
    $tmplist2 = getsubcomments($row->id, 1);
    foreach ($tmplist2 as $row2) {
        $list[] = $row2;
    }
}
// 按level分层次输出内容
if ($row->level) {
    $pre = '';
    for ($n = 0; $n < $row->level; $n++) $pre.= '----';
    echo $pre . '|- ';
}
echo strip_tags($row->content);

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