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@nerrad nerrad/rse-fix-wpmandrill
Last active Mar 1, 2016

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Fix Mandrill plugin
<?php if ( ! defined('ABSPATH')) exit('No direct script access allowed');
Plugin Name: Fix wpMandrill.
Plugin URI:
Description: wpMandrill doesn't setup formatted to field addresses to work correctly with the mandrill api. This fixes that.
Version: 1.0.0
Author: Darren Ethier
Author URI:
License: GPLv2
Copyright (c) 2008-2014 Event Espresso All Rights Reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
function rse_fix_wpmandrill_to( $payload ) {
$new_to = array();
if ( isset( $payload['to'] ) ) {
foreach ( $payload['to'] as $to ) {
$new_to[] = rse_maybe_parse_formatted_email( $to );
} else {
return $payload;
$payload['to'] = $new_to;
return $payload;
add_filter( 'mandrill_payload', 'rse_fix_wpmandrill_to' );
* This takes an incoming email address from mandrill and if this is a formatted to address we break it into the component
* parts.
* @see wp_mail() the native wp_mail() function has this code.
* @param array $to process to address by wpMandrill plugin
* @return array new processed array.
function rse_maybe_parse_formatted_email( $to ) {
$to_address = isset( $to['email'] ) ? $to['email'] : null;
if ( empty( $to_address ) ) return $to; //get out because wpMandrill has likely started doing something strange.
if( preg_match( '/(.*)<(.+)>/', $to_address, $matches ) ) {
if ( count( $matches ) == 3 ) {
$to['name'] = $matches[1];
$to['email'] = $matches[2];
return $to;
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