Output HTML using existing PHP in wordpress functions.php

Question

I am using the below to send an email to a user each time a custom field within their profile is updated. I can output plain text into the email body using the $message line which is great. How can I adapt this so I can output html where the $message goes?

// IF CUSTOM FIELD CHANGES
function sr_user_profile_update_virtuosity( $user_id, $old_user_data ) {
  $old_user_data = get_transient( 'sr_old_user_data_' . $user_id );
  $user = get_userdata( $user_id );
  if($old_user_data->virtuosity != $user->virtuosity) {
    $admin_email = $user->user_email;
    $message = sprintf( __( 'I want to output HTML here' ) ) . "\r\n\r\n";
    wp_mail( $admin_email, sprintf( __( 'IMPORTANT: Your newly purchased product is ready for you' ), get_option('blogname') ), $message );
  }
}
add_action( 'profile_update', 'sr_user_profile_update_virtuosity', 10, 2 );

so what's the problem? sprintf() outputs any text you want it to. sprintf('<html><body>%s</body></html>', 'hi mom!') — Marc B
– Marc B, Commented Feb 24, 2016 at 18:08
Oh, that's not what happened it just output the code as plain text. I'll try again later... — Scott Eldo
– Scott Eldo, Commented Feb 24, 2016 at 18:17
Hi @MarcB that still hasn't worked, it still outputs the code in play text. Any ideas? — Scott Eldo
– Scott Eldo, Commented Feb 24, 2016 at 18:50
Side-note: you might want to use PHP_EOL instead of "\r\n".... — random_user_name
– random_user_name, Commented Feb 24, 2016 at 18:56
@cale_b: php_eol is kinda pointless unless you know what the target viewing environment has the same eol character as the system running the script. e.g. php_eol on a windows box is \r\n, which is useless if the produced text will be consumed on linux. — Marc B
– Marc B, Commented Feb 24, 2016 at 19:48

mani · Accepted Answer · 2016-02-25 00:16:14Z

1

You need to set the content type to html, by default its text/plain.

You can do this by using wp_mail_content_type filter.

add_filter( 'wp_mail_content_type', 'set_content_type' );
function set_content_type( $content_type ) {
    return 'text/html';
}

For more info see here.

edited Feb 25, 2016 at 0:16

answered Feb 24, 2016 at 18:09

mani

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random_user_name Over a year ago

Copy the relevant code here. Links break, and future visitors won't have a valuable answer to refer to.

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