48

Is there an action_hook or something similar that could help me achieve this?

I tried adding markup in a PHP string variable and just fired off an email with the wp_mail() function like so:

$email_to = 'someaddress@gmail.com';
$email_subject = 'Email subject';
$email_body = "<html><body><h1>Hello World!</h1></body></html>";
$send_mail = wp_mail($email_to, $email_subject, $email_body);

But it showed up as plain text?

Any ideas?

64

from wp_mail codex page:

The default content type is 'text/plain' which does not allow using HTML. However, you can set the content type of the email by using the 'wp_mail_content_type' filter.

// In theme's functions.php or plug-in code:

function wpse27856_set_content_type(){
    return "text/html";
}
add_filter( 'wp_mail_content_type','wpse27856_set_content_type' );
|improve this answer|||||
  • 2
    Hmm sounds useful. Just a question, any particular reason why you named your function wpse27856_set_content_type? – racl101 Sep 6 '11 at 21:31
  • 17
    No, it's just a unique name based on the id of this particular question. wpse = wp stachexchange, 27856 is the id of this question in the URL. I just do that to avoid potential collisions if people copy/paste code out of here. – Milo Sep 6 '11 at 21:45
  • 3
    You can also just include the Content-Type in your email headers. Check out how the Notifly plugin does it. – Otto Sep 7 '11 at 0:29
  • oh yeah, ha ha. What a n00b I am. Guess it is the id of this post. – racl101 Sep 7 '11 at 7:44
  • 2
    This will break your password reset email, because the reset link is wrapped in <>. – Simon Josef Kok Oct 24 '17 at 6:08
107

As an alternative, you can specify the Content-Type HTTP header in the $headers parameter:

$to = 'sendto@example.com';
$subject = 'The subject';
$body = 'The email body content';
$headers = array('Content-Type: text/html; charset=UTF-8');

wp_mail( $to, $subject, $body, $headers );
|improve this answer|||||
  • 3
    This works better as the add_filter sometimes shows as attachment. Thanks for sharing! – deepakssn Feb 17 '18 at 18:54
  • 2
    This is the generally best way to-do this. The top answer will interfere with other plugins and cause problems. – Alex Standiford Dec 6 '19 at 19:12
13

Don't forget to remove the content type filter after you use the wp_mail function. Following the accepted answer naming you should do this after wp_mail is executed:

remove_filter( 'wp_mail_content_type','wpse27856_set_content_type' );

Check this ticket here - Reset content-type to avoid conflicts -- http://core.trac.wordpress.org/ticket/23578

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  • 10
    This should be a comment, not an answer, no? – Bob Diego Jul 26 '17 at 14:31
-1

Use ob_start, because this will allow you to use WP variables/functions like bloginfo etc.

make a PHP file and paste your HTML in that file(use wp variables inside that php file if needed).

Use the below code:

 $to = 'Email Address';
 $subject = 'Your Subject';

 ob_start();
 include(get_stylesheet_directory() . '/email-template.php');//Template File Path
 $body = ob_get_contents();
 ob_end_clean();

 $headers = array('Content-Type: text/html; charset=UTF-8','From: Test <test@test.com>');
 wp_mail( $to, $subject, $body, $headers );

this will keep your code clean and due to ob_start we will also save the time of loading the file.

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