email - Include HTML template file in wp_mail

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I'm using wp_mail() to send an HTML email. But there's quite a lot of HTML code in the email, so rather than including all the code in my wp_mail() function, is it possible to have the code in a separate template and just include this template in the function? Here is what I have:

<?php if ( isset( $_POST['submitted'] )) {
   add_filter('wp_mail_content_type',create_function('', 'return "text/html"; '));
   $emailTo = '[email protected]' ;
   $subject = 'This is the subject';
   $body = get_template_part( 'includes/my_email_template' );
   $headers = 'From: My Name' . "\r\n";
   wp_mail($emailTo, $subject, $body, $headers);
}?>

I'd like to be able to put all of my HTML code in 'my_email_template' but when I try this, no email is sent. Am I including the template incorrectly? Thanks in advance for any answers.

I'm using wp_mail() to send an HTML email. But there's quite a lot of HTML code in the email, so rather than including all the code in my wp_mail() function, is it possible to have the code in a separate template and just include this template in the function? Here is what I have:

<?php if ( isset( $_POST['submitted'] )) {
   add_filter('wp_mail_content_type',create_function('', 'return "text/html"; '));
   $emailTo = '[email protected]' ;
   $subject = 'This is the subject';
   $body = get_template_part( 'includes/my_email_template' );
   $headers = 'From: My Name' . "\r\n";
   wp_mail($emailTo, $subject, $body, $headers);
}?>

I'd like to be able to put all of my HTML code in 'my_email_template' but when I try this, no email is sent. Am I including the template incorrectly? Thanks in advance for any answers.

• email
• wp-mail
• html-email

Share Improve this question edited Apr 12, 2019 at 16:36 butlerblog 5,13133 gold badges2828 silver badges4444 bronze badges asked Apr 18, 2013 at 19:38 XavXav 39911 gold badge99 silver badges2323 bronze badges 5

• 1 Syntax error: $emailTo = [email protected] ; try $emailTo = '[email protected]';. – fuxia ♦ Commented Apr 18, 2013 at 19:42
• You're calling the template incorrectly - see the codex for get_template_part – vancoder Commented Apr 18, 2013 at 19:44
• Thank you both. That syntax error was just poor copy/paste/adjust from me. I can confirm it's correct in my actual template. – Xav Commented Apr 18, 2013 at 19:53
• @vancoder I'm not even sure I should be doing get_template_path. The file only contains HTML and a few variables I have set in the file that calls it. Maybe include (TEMPLATEPATH . 'includes/my_email_template.php'); is the correct option? – Xav Commented Apr 18, 2013 at 19:58
• Does your template file return a string? If you just include it any HTML or echos will just print to the screen rather than get assigned to $body. I imagine that will cause some errors with wp_mail as well. – s_ha_dum Commented Apr 18, 2013 at 20:29

Add a comment  | 

3 Answers 3

Sorted by: Reset to default 7

Per my comment to your question, I believe the problem is that includeing files, whether directly or using get_template_part isn't likely to give you a string to pass to $body and that is going to cause errors in the code, or at the very least unespected behavior.

I would avoid reading files into memory and just create a function that returns your $body content.

function get_email_body_wpse_96357() {
    $body = '<p>Hi</p>';
    return $body;
}

Then use $body = get_email_body_wpse_96357(); as needed. An advantage of this method is that you can easily pass parameters to the function if you ever decide to do so. You could also use variables in an included file but it can be messy.

If you don't want to load that function all the time, then put it in a file by itself and include that file only when you need the function.

Here is the sample code for using output buffering. You will be able to access all the variables inside the template which are defined above "include line".

WordPress: Include template in the email.

ob_start();
include(get_stylesheet_directory() . '/assets/email-templates/booking-details-template.php');
$email_content = ob_get_contents();
ob_end_clean();
$headers = array('Content-Type: text/html; charset=UTF-8');
wp_mail($to_email, "Booking details", $email_content, $headers);

The function get_template_part() doesn't return the HTML but echo it (it uses locate_template() which loads the file - echo).

You can either turn output buffering on using ob_start() and put the buffer in to your variable or you can use file_get_contents().

On your case I think the best solution is this:

$body = file_get_contents(TEMPLATEPATH . 'includes/my_email_template.php');

I'm using wp_mail() to send an HTML email. But there's quite a lot of HTML code in the email, so rather than including all the code in my wp_mail() function, is it possible to have the code in a separate template and just include this template in the function? Here is what I have:

<?php if ( isset( $_POST['submitted'] )) {
   add_filter('wp_mail_content_type',create_function('', 'return "text/html"; '));
   $emailTo = '[email protected]' ;
   $subject = 'This is the subject';
   $body = get_template_part( 'includes/my_email_template' );
   $headers = 'From: My Name' . "\r\n";
   wp_mail($emailTo, $subject, $body, $headers);
}?>

I'd like to be able to put all of my HTML code in 'my_email_template' but when I try this, no email is sent. Am I including the template incorrectly? Thanks in advance for any answers.

I'm using wp_mail() to send an HTML email. But there's quite a lot of HTML code in the email, so rather than including all the code in my wp_mail() function, is it possible to have the code in a separate template and just include this template in the function? Here is what I have:

<?php if ( isset( $_POST['submitted'] )) {
   add_filter('wp_mail_content_type',create_function('', 'return "text/html"; '));
   $emailTo = '[email protected]' ;
   $subject = 'This is the subject';
   $body = get_template_part( 'includes/my_email_template' );
   $headers = 'From: My Name' . "\r\n";
   wp_mail($emailTo, $subject, $body, $headers);
}?>

I'd like to be able to put all of my HTML code in 'my_email_template' but when I try this, no email is sent. Am I including the template incorrectly? Thanks in advance for any answers.

• email
• wp-mail
• html-email

Share Improve this question edited Apr 12, 2019 at 16:36 butlerblog 5,13133 gold badges2828 silver badges4444 bronze badges asked Apr 18, 2013 at 19:38 XavXav 39911 gold badge99 silver badges2323 bronze badges 5

• 1 Syntax error: $emailTo = [email protected] ; try $emailTo = '[email protected]';. – fuxia ♦ Commented Apr 18, 2013 at 19:42
• You're calling the template incorrectly - see the codex for get_template_part – vancoder Commented Apr 18, 2013 at 19:44
• Thank you both. That syntax error was just poor copy/paste/adjust from me. I can confirm it's correct in my actual template. – Xav Commented Apr 18, 2013 at 19:53
• @vancoder I'm not even sure I should be doing get_template_path. The file only contains HTML and a few variables I have set in the file that calls it. Maybe include (TEMPLATEPATH . 'includes/my_email_template.php'); is the correct option? – Xav Commented Apr 18, 2013 at 19:58
• Does your template file return a string? If you just include it any HTML or echos will just print to the screen rather than get assigned to $body. I imagine that will cause some errors with wp_mail as well. – s_ha_dum Commented Apr 18, 2013 at 20:29

Add a comment  | 

3 Answers 3

Sorted by: Reset to default 7

Per my comment to your question, I believe the problem is that includeing files, whether directly or using get_template_part isn't likely to give you a string to pass to $body and that is going to cause errors in the code, or at the very least unespected behavior.

I would avoid reading files into memory and just create a function that returns your $body content.

function get_email_body_wpse_96357() {
    $body = '<p>Hi</p>';
    return $body;
}

Then use $body = get_email_body_wpse_96357(); as needed. An advantage of this method is that you can easily pass parameters to the function if you ever decide to do so. You could also use variables in an included file but it can be messy.

If you don't want to load that function all the time, then put it in a file by itself and include that file only when you need the function.

Here is the sample code for using output buffering. You will be able to access all the variables inside the template which are defined above "include line".

WordPress: Include template in the email.

ob_start();
include(get_stylesheet_directory() . '/assets/email-templates/booking-details-template.php');
$email_content = ob_get_contents();
ob_end_clean();
$headers = array('Content-Type: text/html; charset=UTF-8');
wp_mail($to_email, "Booking details", $email_content, $headers);

The function get_template_part() doesn't return the HTML but echo it (it uses locate_template() which loads the file - echo).

You can either turn output buffering on using ob_start() and put the buffer in to your variable or you can use file_get_contents().

On your case I think the best solution is this:

$body = file_get_contents(TEMPLATEPATH . 'includes/my_email_template.php');

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