WordPress三个方法实现评论回复邮件提醒功能

如何让WordPress实现评论回复邮件提醒的功能？

根据自己的需要选择，将下面的代码添加到当前主题的functions.php文件中即可：

方法一：所有回复都发送邮件通知

默认所有填写了邮箱的评论都将发邮件提醒评论人，没有任何勾选设置。

/* comment_mail_notify v1.0 by willin kan. (所有回复都发邮件) */
function comment_mail_notify($comment_id) {
  $comment = get_comment($comment_id);
  $parent_id = $comment->comment_parent ? $comment->comment_parent : \'\';
  $spam_confirmed = $comment->comment_approved;
  if (($parent_id != \'\') && ($spam_confirmed != \'spam\')) {
    $wp_email = \'no-reply@\' . preg_replace(\'#^www.#\', \'\', strtolower($_SERVER[\'SERVER_NAME\'])); //e-mail 发出点, no-reply 可改为可用的 e-mail.
    $to = trim(get_comment($parent_id)->comment_author_email);
    $subject = \'您在 [\' . get_option(\"blogname\") . \'] 的留言有了回复\';
    $message = \'
    <div style=\"background-color:#eef2fa; border:1px solid #d8e3e8; color:#111; padding:0 15px; -moz-border-radius:5px; -webkit-border-radius:5px; -khtml-border-radius:5px;\">
      <p>\' . trim(get_comment($parent_id)->comment_author) . \', 您好!</p>
      <p>您曾在《\' . get_the_title($comment->comment_post_ID) . \'》的留言:<br />\'
       . trim(get_comment($parent_id)->comment_content) . \'</p>
      <p>\' . trim($comment->comment_author) . \' 给您的回复:<br />\'
       . trim($comment->comment_content) . \'<br /></p>
      <p>您可以点击 查看回复完整內容</p>
      <p>欢迎再度光临 \' . get_option(\'blogname\') . \'</p>
      <p>(此邮件由系统自动发送，请勿回复.)</p>
    </div>\';
      $from = \"From: \"\" . get_option(\'blogname\') . \"\" <$wp_email>\";
      $headers = \"$fromnContent-Type: text/html; charset=\" . get_option(\'blog_charset\') . \"n\";
      wp_mail( $to, $subject, $message, $headers );
  }
}
add_action(\'comment_post\', \'comment_mail_notify\');

方法二：让访客自己选择是否邮件通知

在评论框下方显示一个勾选框，让评论人自己决定是否接收邮件通知。

function comment_mail_notify($comment_id) {
  $admin_notify = \'1\'; // admin 要不要收回复通知 ( \'1\'=要 ; \'0\'=不要 )
  $admin_email = get_bloginfo (\'admin_email\'); // $admin_email 可改为你指定的 e-mail.
  $comment = get_comment($comment_id);
  $comment_author_email = trim($comment->comment_author_email);
  $parent_id = $comment->comment_parent ? $comment->comment_parent : \'\';
  global $wpdb;
  if ($wpdb->query(\"Describe {$wpdb->comments} comment_mail_notify\") == \'\')
    $wpdb->query(\"ALTER TABLE {$wpdb->comments} ADD COLUMN comment_mail_notify TINYINT NOT NULL DEFAULT 0;\");
  if (($comment_author_email != $admin_email && isset($_POST[\'comment_mail_notify\'])) || ($comment_author_email == $admin_email && $admin_notify == \'1\'))
    $wpdb->query(\"UPDATE {$wpdb->comments} SET comment_mail_notify=\'1\' WHERE comment_ID=\'$comment_id\'\");
  $notify = $parent_id ? get_comment($parent_id)->comment_mail_notify : \'0\';
  $spam_confirmed = $comment->comment_approved;
  if ($parent_id != \'\' && $spam_confirmed != \'spam\' && $notify == \'1\') {
    $wp_email = \'no-reply@\' . preg_replace(\'#^www.#\', \'\', strtolower($_SERVER[\'SERVER_NAME\'])); // e-mail 发出点, no-reply 可改为可用的 e-mail.
    $to = trim(get_comment($parent_id)->comment_author_email);
    $subject = \'您在 [\' . get_option(\"blogname\") . \'] 的留言有了回复\';
    $message = \'
    <div style=\"background-color:#eef2fa; border:1px solid #d8e3e8; color:#111; padding:0 15px; -moz-border-radius:5px; -webkit-border-radius:5px; -khtml-border-radius:5px;\">
      <p>\' . trim(get_comment($parent_id)->comment_author) . \', 您好!</p>
      <p>您曾在《\' . get_the_title($comment->comment_post_ID) . \'》的留言:<br />\'
       . trim(get_comment($parent_id)->comment_content) . \'</p>
      <p>\' . trim($comment->comment_author) . \' 给您的回复:<br />\'
       . trim($comment->comment_content) . \'<br /></p>
      <p>您可以点击查看回复的完整內容</p>
      <p>还要再度光临 \' . get_option(\'blogname\') . \'</p>
      <p>(此邮件由系统自动发送，请勿回复.)</p>
    </div>\';
         $from = \"From: \"\" . get_option(\'blogname\') . \"\" <$wp_email>\";
         $headers = \"$fromnContent-Type: text/html; charset=\" . get_option(\'blog_charset\') . \"n\";
         wp_mail( $to, $subject, $message, $headers );
  }
}
add_action(\'comment_post\', \'comment_mail_notify\');
/* 自动加勾选栏 */
function add_checkbox() {
  echo \'<input type=\"checkbox\" name=\"comment_mail_notify\" id=\"comment_mail_notify\" value=\"comment_mail_notify\" checked=\"checked\" style=\"margin-left:20px;\" /><label for=\"comment_mail_notify\">有人回复时邮件通知我</label>\';
}
add_action(\'comment_form\', \'add_checkbox\');

方法三：让博客管理员决定什么情况下发邮件

调整下面的代码，选择发送回复邮件

/* comment_mail_notify v1.0 by willin kan. (无勾选栏) */
function comment_mail_notify($comment_id) {
  $admin_email = get_bloginfo (\'admin_email\'); // $admin_email 可改为你指定的 e-mail.
  $comment = get_comment($comment_id);
  $comment_author_email = trim($comment->comment_author_email);
  $parent_id = $comment->comment_parent ? $comment->comment_parent : \'\';
  $to = $parent_id ? trim(get_comment($parent_id)->comment_author_email) : \'\';
  $spam_confirmed = $comment->comment_approved;
  if (($parent_id != \'\') && ($spam_confirmed != \'spam\') && ($to != $admin_email) && ($comment_author_email == $admin_email)) {
    /* 上面的判断式,决定发出邮件的必要条件:
    ($parent_id != \'\') && ($spam_confirmed != \'spam\'): 回复的, 而且不是 spam 才可发, 必需!!
    ($to != $admin_email) : 不发给 admin.
    ($comment_author_email == $admin_email) : 只有 admin 的回复才可发.
    可视个人需修改上面的条件.
    */
    $wp_email = \'no-reply@\' . preg_replace(\'#^www.#\', \'\', strtolower($_SERVER[\'SERVER_NAME\'])); // e-mail 发出点, no-reply 可改为可用的 e-mail.
    $subject = \'您在 [\' . get_option(\"blogname\") . \'] 的留言有了回复\';
    $message = \'
    <div style=\"background-color:#eef2fa; border:1px solid #d8e3e8; color:#111; padding:0 15px; -moz-border-radius:5px; -webkit-border-radius:5px; -khtml-border-radius:5px;\">
      <p>\' . trim(get_comment($parent_id)->comment_author) . \', 您好!</p>
      <p>您曾在《\' . get_the_title($comment->comment_post_ID) . \'》的留言:<br />\'
       . trim(get_comment($parent_id)->comment_content) . \'</p>
      <p>\' . trim($comment->comment_author) . \' 给您的回复:<br />\'
       . trim($comment->comment_content) . \'<br /></p>
      <p>您可以点击 查看回复的完整內容</p>
      <p>还要再度光临 \' . get_option(\'blogname\') . \'</p>
      <p>(此邮件由系统自动发送，请勿回复.)</p>
    </div>\';
         $from = \"From: \"\" . get_option(\'blogname\') . \"\" <$wp_email>\";
         $headers = \"$fromnContent-Type: text/html; charset=\" . get_option(\'blog_charset\') . \"n\";
         wp_mail( $to, $subject, $message, $headers );
  }
}
add_action(\'comment_post\', \'comment_mail_notify\');

!

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