WordPress 隐藏部分内容评论后可见

本文目录[隐藏]

1通过简码实现部分内容评论后可见
2使用 easy2hide 插件实现部分内容评论后可见

挖鱼源码网之前分享过 WordPress分享后查看插件：Share to view all，支持将文章分享到微博后才可以查看隐藏内容；可是最近有朋友问挖鱼源码网，如果才能隐藏部分文章内容，访客必须先评论才显示。其实这个方法，网络上早有了，分享下。

通过简码实现部分内容评论后可见

1.将下面的代码添加到主题的 functions.php 文件：

<span style="color: #000000; font-weight: bold;">function</span> reply_to_read<span style="color: #009900;">&#40;</span><span style="color: #000088;">$atts</span><span style="color: #339933;">,</span> <span style="color: #000088;">$content</span><span style="color: #339933;">=</span><span style="color: #009900; font-weight: bold;">null</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
        <span style="color: #990000;">extract</span><span style="color: #009900;">&#40;</span>shortcode_atts<span style="color: #009900;">&#40;</span><span style="color: #990000;">array</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">&quot;notice&quot;</span> <span style="color: #339933;">=&gt;</span> <span style="color: #0000ff;">'&lt;p class=&quot;reply-to-read&quot;&gt;温馨提示: 此处内容需要&lt;a href=&quot;#respond&quot; title=&quot;评论本文&quot;&gt;评论本文&lt;/a&gt;后才能查看.&lt;/p&gt;'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">,</span> <span style="color: #000088;">$atts</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>   
        <span style="color: #000088;">$email</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">null</span><span style="color: #339933;">;</span>   
        <span style="color: #000088;">$user_ID</span> <span style="color: #339933;">=</span> <span style="color: #009900;">&#40;</span>int<span style="color: #009900;">&#41;</span> wp_get_current_user<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">ID</span><span style="color: #339933;">;</span>   
        <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #000088;">$user_ID</span> <span style="color: #339933;">&gt;</span> <span style="color: #cc66cc;">0</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #000088;">$email</span> <span style="color: #339933;">=</span> get_userdata<span style="color: #009900;">&#40;</span><span style="color: #000088;">$user_ID</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">user_email</span><span style="color: #339933;">;</span>   
            <span style="color: #666666; font-style: italic;">//对博主直接显示内容  https://www.wpdaxue.com/</span>
            <span style="color: #000088;">$admin_email</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">&quot;xxx@aaa.com&quot;</span><span style="color: #339933;">;</span> <span style="color: #666666; font-style: italic;">//博主Email  https://www.wpdaxue.com/</span>
            <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #000088;">$email</span> <span style="color: #339933;">==</span> <span style="color: #000088;">$admin_email</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
                <span style="color: #b1b100;">return</span> <span style="color: #000088;">$content</span><span style="color: #339933;">;</span>   
            <span style="color: #009900;">&#125;</span>   
        <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">else</span> <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #990000;">isset</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$_COOKIE</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'comment_author_email_'</span> <span style="color: #339933;">.</span> COOKIEHASH<span style="color: #009900;">&#93;</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #000088;">$email</span> <span style="color: #339933;">=</span> <span style="color: #990000;">str_replace</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'%40'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'@'</span><span style="color: #339933;">,</span> <span style="color: #000088;">$_COOKIE</span><span style="color: #009900;">&#91;</span><span style="color: #0000ff;">'comment_author_email_'</span> <span style="color: #339933;">.</span> COOKIEHASH<span style="color: #009900;">&#93;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>   
        <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">else</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #b1b100;">return</span> <span style="color: #000088;">$notice</span><span style="color: #339933;">;</span>   
        <span style="color: #009900;">&#125;</span>   
        <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #990000;">empty</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$email</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #b1b100;">return</span> <span style="color: #000088;">$notice</span><span style="color: #339933;">;</span>   
        <span style="color: #009900;">&#125;</span>   
        <span style="color: #000000; font-weight: bold;">global</span> <span style="color: #000088;">$wpdb</span><span style="color: #339933;">;</span>   
        <span style="color: #000088;">$post_id</span> <span style="color: #339933;">=</span> get_the_ID<span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>   
        <span style="color: #000088;">$query</span> <span style="color: #339933;">=</span> <span style="color: #0000ff;">&quot;SELECT `comment_ID` FROM <span style="color: #006699; font-weight: bold;">{$wpdb-&gt;comments}</span> WHERE `comment_post_ID`=<span style="color: #006699; font-weight: bold;">{$post_id}</span> and `comment_approved`='1' and `comment_author_email`='<span style="color: #006699; font-weight: bold;">{$email}</span>' LIMIT 1&quot;</span><span style="color: #339933;">;</span>   
        <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span><span style="color: #000088;">$wpdb</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">get_results</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$query</span><span style="color: #009900;">&#41;</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #b1b100;">return</span> do_shortcode<span style="color: #009900;">&#40;</span><span style="color: #000088;">$content</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>   
        <span style="color: #009900;">&#125;</span> <span style="color: #b1b100;">else</span> <span style="color: #009900;">&#123;</span>   
            <span style="color: #b1b100;">return</span> <span style="color: #000088;">$notice</span><span style="color: #339933;">;</span>   
        <span style="color: #009900;">&#125;</span>   
    <span style="color: #009900;">&#125;</span>   
&nbsp;
    add_shortcode<span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'reply'</span><span style="color: #339933;">,</span> <span style="color: #0000ff;">'reply_to_read'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>

function reply_to_read($atts, $content=null) {

extract(shortcode_atts(array("notice" => '温馨提示: 此处内容需要<a href="#respond" title="评论本文">评论本文</a>后才能查看.'), $atts));

$email = null;

$user_ID = (int) wp_get_current_user()->ID;

if ($user_ID > 0) {

$email = get_userdata($user_ID)->user_email;

//对博主直接显示内容 https://www.wpdaxue.com/

$admin_email = "xxx@aaa.com"; //博主Email https://www.wpdaxue.com/

if ($email == $admin_email) {

return $content;

}

} else if (isset($_COOKIE['comment_author_email_' . COOKIEHASH])) {

$email = str_replace('%40', '@', $_COOKIE['comment_author_email_' . COOKIEHASH]);

} else {

return $notice;

}

if (empty($email)) {

return $notice;

}

global $wpdb;

$post_id = get_the_ID();

$query = "SELECT `comment_ID` FROM {$wpdb->comments} WHERE `comment_post_ID`={$post_id} and `comment_approved`='1' and `comment_author_email`='{$email}' LIMIT 1";