�组保留的标签 余下为需要删除的标签
                unset($oldtag[$key]);
            }
        }
    }
    

    if (!empty($oldtag)) {
        $tagids = array();
        foreach ($oldtag as $tagid => $tagname) {
            $tagids[] = $tagid;
        }

        well_oldtag_delete($tagids, $tid);
    }

    $r = well_tag_process($tid, $fid, $create_tag, $tagarr);

    

    return $r;
}

// 删除标签和绑定的主题
function well_oldtag_delete($tagids, $tid)
{
    

    $pagesize = count($tagids);
    $arrlist = well_tag_find_by_tagids($tagids, 1, $pagesize);

    

    $delete_tagids = array(); // 删除
    $tagids = array();
    $n = 0;
    foreach ($arrlist as $val) {
        ++$n;
        
        if (1 == $val['count']) {
            // 只有一个主题
            $delete_tagids[] = $val['tagid'];
            
        } else {
            $tagids[] = $val['tagid'];
        }
        
    }

    

    !empty($delete_tagids) and well_tag_delete($delete_tagids);

    $arlist = well_tag_thread_find_by_tid($tid, 1, $n);
    if ($arlist) {
        $ids = array();
        foreach ($arlist as $val) $ids[] = $val['id'];

        well_tag_thread_delete($ids);
    }

    !empty($tagids) and well_tag_update($tagids, array('count-' => 1));

    
}

// 标签数据处理 $arr=新提交的数组 $tagarr=保留的旧标签
function well_tag_process($tid, $fid, $new_tags = array(), $tagarr = array())
{
    if (empty($tid)) return '';

    

    // 新标签处理入库
    if ($new_tags) {

        

        $threadarr = array();
        $tagids = array();
        $i = 0;
        $size = 5;
        $n = count($tagarr);
        $n = $n > $size ? $size : $size - $n;

        

        foreach ($new_tags as $name) {
            ++$i;
            $name = trim($name);
            $name = stripslashes($name);
            $name = strip_tags($name);
            $name = str_replace(array('&nbsp;', '#', "@", "$", "%", "^", '&', '·', '<', '>', '；', '`', '~', '!', '￥', '……', ';', '?', '？', '-', '—', '_', '=', '+', '.', '{', '}', '|', ':', '：', '、', '/', '。', '[', ']', '【', '】', '‘', '	', '    ', '  ', '   ', '    '), '', $name);
            $name = htmlspecialchars($name, ENT_QUOTES);
            if ($name && $i <= $n) {
                
                // 查询标签
                $read = well_tag_read_name($name);
                
                if ($read) {
                    // 存在 count+1
                    $tagids[] = $read['tagid'];
                    
                } else {
                    // 入库
                    $arr = array('name' => $name, 'count' => 1);
                    
                    $tagid = well_tag_create($arr);
                    FALSE === $tagid and message(-1, lang('create_failed'));
                    $read = array('tagid' => $tagid, 'name' => $name);
                    
                }

                $tag_thread = array('tagid' => $read['tagid'], 'tid' => $tid);

                

                $threadarr[] = $tag_thread;

                

                $tagarr[$read['tagid']] = $read['name'];
            }
        }

        

        !empty($threadarr) and tag_thread_big_insert($threadarr);

        !empty($tagids) and well_tag_update($tagids, array('count+' => 1));
    }

    

    $json = empty($tagarr) ? '' : xn_json_encode($tagarr);

    

    return $json;
}




?>   $v = implode(",", $v);
        $temp[] = $v;
    }
    // 去掉重复的字符串,也就是重复的一维数组
    $temp = array_unique($temp);
    // 再将拆开的数组重新组装
    $output = array();
    foreach ($temp as $k => $v) {
        if ($stkeep) $k = $starr[$k];
        if ($ndformat) {
            $temparr = explode(",", $v);
            foreach ($temparr as $ndkey => $ndval) $output[$k][$ndarr[$ndkey]] = $ndval;
        } else $output[$k] = explode(",", $v);
    }
    return $output;
}

// 合并二维数组 如重复 值以第一个数组值为准
function array2_merge($array1, $array2, $key = '')
{
    if (empty($array1) || empty($array2)) return NULL;
    $arr = array();
    foreach ($array1 as $k => $v) {
        isset($v[$key]) ? $arr[$v[$key]] = array_merge($v, $array2[$k]) : $arr[] = array_merge($v, $array2[$k]);
    }
    return $arr;
}

/*
 * 对二维数组排序 两个数组必须有一个相同的键值
 * $array1 需要排序数组
 * $array2 按照该数组key排序
 * */
function array2_sort_key($array1, $array2, $key = '')
{
    if (empty($array1) || empty($array2)) return NULL;
    $arr = array();
    foreach ($array2 as $k => $v) {
        if (isset($v[$key]) && $v[$key] == $array1[$v[$key]][$key]) {
            $arr[$v[$key]] = $array1[$v[$key]];
        } else {
            $arr[] = $v;
        }
    }

    return $arr;
}




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<a href="/xitong">系统教程</a><a href="/xitong/1700749174a582.html" title="首页">时事热点:关注社会热点事件,了解最新动态</a></div></div></div><div class="fzithome-com main container-w cl"><div class="fzithome-com mainl"><div class="fzithome-com art-post"><div class="fzithome-com title"><h1>时事热点:关注社会热点事件,了解最新动态</h1><div class="fzithome-com info"><span><a href="/xitong"><i class="iconfont icon-crossborder-fill"></i>系统教程</a></span><span><i class="iconfont icon-browse"></i>508</span><span><i class="iconfont icon-message-fill"></i>0</span><span>
                        更新时间：2026-04-03 20:29:42</span></div></div><div class="fzithome-com art-content"><article class="single-post"><div class="fzithome-com entry"><p></p><div></img><br>2023年11月23日发(作者：)<p style='text-indent:30px;top:149.663;left:135.036;'><span style='font-size:27px;color:#345a89;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>时事热点：关注社会热点事件，了解最新动态</span><span style='font-size:27px;color:#345a89;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:213.381;left:675.15;'><span style='font-size:23.94px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>引言</span><span style='font-size:23.94px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:277.625;left:183.09;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>你是否经常感到自己置身于时事热点中却对其一无所知？在当今信息爆炸的时</span><p><p style='text-indent:30px;top:324.426;left:513.105;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>代，很容易迷失在海量的新闻资讯中。然而，作为一个关心社会发展的人，了</span><p><p style='text-indent:30px;top:371.225;left:494.924;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>解最新的社会热点事件是至关重要的。本文将讨论为什么关注社会热点事件如</span><p><p style='text-indent:30px;top:418.07;left:219.09;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>此重要，以及如何更好地理解和评估这些动态。</span><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'> </span><p><p style='text-indent:30px;top:475.866;left:747.15;'><span style='font-size:23.94px;color:#4f81bc;letter-spacing:0.047px;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>为什么关注社会热点事件很重要？</span><span style='font-size:23.94px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:539.753;left:261.03;'><span style='font-size:21.06px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>公民责任</span><span style='font-size:21.06px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:602.03;left:441.075;'><span style='font-size:18px;color:#000000;letter-spacing:0.31px;font-family:MicrosoftYaHei;'>作为一个公民，我们有责任关心社会热点事件。社会热点事件往往与社会秩序、</span><p><p style='text-indent:30px;top:115.641;left:135.036;'><span style='font-size:23.94px;color:#4f81bc;letter-spacing:0.041px;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>如何了解最新动态？</span><span style='font-size:23.94px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:179.348;left:351.075;'><span style='font-size:21.06px;color:#4f81bc;letter-spacing:-0.031px;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>多渠道获取信息</span><span style='font-size:21.06px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:241.625;left:282.09;'><span style='font-size:18px;color:#000000;letter-spacing:0.31px;font-family:MicrosoftYaHei;'>了解最新的社会热点事件需要通过多个渠道获取信息。首先，传统媒体如电视、</span><p><p style='text-indent:30px;top:288.426;left:405.075;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>报纸和广播仍然是获取新闻的主要来源。其次，互联网和社交媒体已经成为获</span><p><p style='text-indent:30px;top:335.225;left:477.105;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>取最新资讯的重要渠道。我们可以关注新闻网站、社交媒体平台和专业论坛，</span><p><p style='text-indent:30px;top:382.07;left:261.03;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>获取各种不同观点的报道和评论。</span><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'> </span><p><p style='text-indent:30px;top:441.833;left:585.105;'><span style='font-size:21.06px;color:#4f81bc;letter-spacing:-0.031px;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>分析信息可信度</span><span style='font-size:21.06px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:117.608;left:135.036;'><span style='font-size:21.06px;color:#4f81bc;letter-spacing:-0.031px;font-family:MicrosoftYaHei-Bold;font-weight:bold;'>深入阅读和研究</span><span style='font-size:21.06px;color:#4f81bc;font-family:MicrosoftYaHei-Bold;font-weight:bold;'> </span><p><p style='text-indent:30px;top:179.886;left:282.09;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>对于社会热点事件，表面的报道和评论往往只是冰山一角。如果我们想要深入</span><p><p style='text-indent:30px;top:226.685;left:657.105;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>理解一个事件，我们应该进行更深入的阅读和研究。这可能涉及到阅读专业书</span><p><p style='text-indent:30px;top:273.486;left:183.09;'><span style='font-size:18px;color:#000000;letter-spacing:0.31px;font-family:MicrosoftYaHei;'>籍、学术论文、政府报告等，或者进行实地调查和采访。通过深入阅读和研究，</span><p><p style='text-indent:30px;top:320.285;left:279.03;'><span style='font-size:18px;color:#000000;font-family:MicrosoftYaHei;'>我们可以了解事件的背景、原因和后果，形成更全面深入的认知。</span><span 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