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HTML Emails

Converts the default plain text email notifications into fully customizable, sweet-lookin' HTML emails.

Customizing Templates

You can fully customize the look of any of the emails by creating your own templates. Emails have two pieces:

  • Email Wrapper (content common across all emails)
  • Email Message (content unique to each email)

Custom templates can be created an placed in either your theme directory or your Content directory (/wp-content/ on most sites). See utils.php for a number of useful functions that you can use in your templates.

Email Wrapper

The Email Wrapper includes elements and markup that are common across all email notifications. It contains your html, head and body tags and any other elements that are shared across emails.

To customize the email template, create a file called html_email.php and add it to either your theme or content directory.

Note: you must include the following code in the template to work:

<?php htmlize_message_body($email_templates, $email_data); ?>

The Email Wrapper has access to the following variables:

  • $email_title: (string) title of the email
  • $email_subtitle: (string) subtitle of the email
  • $email_data: (array) Associative array of various data passed by the calling function

Email Message: New Comment

By default, new comment and comment moderation emails share the same template. You can create separate templates for both for each comment type by creating the following files:

  • notify_postauthor_comment.php
  • notify_postauthor_trackback.php
  • notify_postauthor_pingback.php
  • notify_moderator_comment.php
  • notify_moderator_trackback.php
  • notify_moderator_pingback.php

If you don't want to customize the emails by comment type, just create the following two templates:

  • notify_postauthor.php
  • notify_moderator.php

If you just want a custom template shared between the two notification types, just create the following:

  • notify_comment.php

New Comment email messages have the following data variables available:

  • $comment - (obj) comment object
  • $post - (obj) post object
  • $comment_type - (string) slug for the comment_type
  • $comment_type_text - (string) friendly name for the comment_type
  • $comment_moderate - (bool) Whether the comment needs moderation or not

Using HTML Emails in your plugin

It's pretty easy to use. The main call you need to make is htmlize_message() and pass the return into your wp_mail object. Details to come.


Requires: 2.9 or higher
Compatible up to: 3.0.5
Last Updated: 7 years ago
Active Installs: 200+


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