HTML email

Kode 

$eol = "\n";
$message  = get_HTML_email_with_valid_formatting();
$headers  = "MIME-Version: 1.0".$eol;
$headers .= "Content-Type: text/html; charset=UTF-8".$eol;
$headers .= "From: example.com <info@example.com>".$eol;
$headers .= "Reply-To: donotreply@example.com".$eol;
mail('me@example.com', 'test', $message, $headers);

Kode 

function mail_with_attachment($mailto, $subject, $message, $attachmment_content, $filename) {
  $content  = chunk_split(base64_encode($attachmment_content));
 
  $header = "MIME-Version: 1.0
From: Name
Content-Type: multipart/mixed; boundary=0016e6d78553954dae047ca714d4
 
--0016e6d78553954dae047ca714d4
Content-Type: multipart/alternative; boundary=0016e6d78553954da9047ca714d2
 
--0016e6d78553954da9047ca714d2
Content-Type: text/plain; charset=ISO-8859-1
 
{$message}
 
--0016e6d78553954da9047ca714d2
Content-Type: text/html; charset=ISO-8859-1
 
{$message}
 
--0016e6d78553954da9047ca714d2--
--0016e6d78553954dae047ca714d4
Content-Type: text/plain; charset=US-ASCII; name=\"{$filename}\"
Content-Disposition: attachment; filename=\"{$filename}\"
Content-Transfer-Encoding: base64
 
{$content}
--0016e6d78553954dae047ca714d4--
 
";
 
  if (mail($mailto, $subject, "", $header)) {
    echo "OK";
  } else {
    echo "ERROR";
  }
}