简要分析

<?php 

function getranklist_members($offset = 0, $limit = 20) {
    require_once libfile('function/forum');
    $members = array();
    $topusers = C::t('home_show')->fetch_all_by_unitprice($offset, $limit, true);

    foreach($topusers as $member) {
        $member['avatar'] = avatar($member['uid'], 'small');
        $member['note'] = dhtmlspecialchars($member['note']);
        $members[] = $member;
    }
    return $members;
}

<?php 

function dhtmlspecialchars($string, $flags = null) {
    if(is_array($string)) {
        。。。
    } else {
        if($flags === null) {