<?php


   function send_email($to, $from_email, $from_name, $subject, $body,
      $is_html=false, $attachments=null) {
         global $smtp_host, $smtp_port, $smtp_user, $smtp_password;
       try {
        $email = new PHPMailer(true);
           if ($from_email === $smtp_user) {
             $email->isSMTP();
             $email->Host = $smtp_host;
             $email->Port = $smtp_port;
             $email->SMTPAuth = true;
             $email->Username = $smtp_user;
             $email->Password = $smtp_password;
             $email->SMTPSecure = 'tls';
          }

             $email->CharSet = 'UTF-8';
             $email->From      = $from_email;
             $email->FromName  = $from_email;
             $email->Subject   = $subject;
             $email->Body      = $body;
             $email->AddAddress($to);

         if ($is_html == true) {
             $email->IsHTML(true);
             $email->Encoding = 'base64';
         }

         if ($attachments != null) {
           foreach ($attachments as $attachment) {
                $apath = $attachment["path"];
                $aname = $attachment["name"];
                $email->AddAttachment($apath , $aname);
            }
        }

             $email->Send();
             $status = "success";
       }
           catch (phpmailerException $e) {
           $status = $e->errorMessage();
      }
           catch (Exception $e) {
           $status = $e->getMessage();
      }
          return $status;
     }

$email->DKIM_domain = 'mydomain.com';
$email->DKIM_private = '/path/to/private_key';
$email->DKIM_selector = 'default';
$email->DKIM_passphrase = '1234567';