子比文章页添加更新时间时效性

zibll/func.php插入代码

//文章过期提示开始
function article_time_update() {
    date_default_timezone_set('PRC');
    $newdate=time();
    $updated_date = get_the_modified_time('Y-m-d H:i:s');
    $updatetime=strtotime($updated_date);
    
    
    
    
    
    
    
    if ( $newdate > $updatetime+86400) {
    
    
    echo '<style>.article-update-tips {
    background: rgba(255, 188, 68, 0.38);
    color: #333;
    margin: 0 0px 20px;
    border-radius: 8px;
    padding: 8px 8px;
    position: relative;
    text-align: center;
    background-image: url('.home_url().'/pic/tips_bg.png);
    background-clip: padding-box;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: 50% 50%;
    background-blend-mode: normal;
}span.red {
    color: #f60;
    margin: 0 3px;
}</style><div class="article-update-tips">文章最后更新时间：<span class="red">'. $updated_date . '</span></div>';
    
    }
        
    }
     add_action('zib_posts_content_before','article_time_update');
//文章过期提示结束

附件里的图片上传至网站根目录下pic文件夹下