title: PHP Mail, CC Field
body: <p>How can I include a CC field in this function?</p>
  
  <pre><code>function mail_attachment($filename, $path, $mailto, $from_mail, $from_name, $replyto, $subject, $message) {
      $file = $path.$filename;
      $file_size = filesize($file);
      $handle = fopen($file, "r");
      $content = fread($handle, $file_size);
      fclose($handle);
      $content = chunk_split(base64_encode($content));
      $uid = md5(uniqid(time()));
      $name = basename($file);
      $header = "From: ".$from_name." &lt;".$from_mail."&gt;\r\n";
      $header .= "Reply-To: ".$replyto."\r\n";
      $header .= "MIME-Version: 1.0\r\n";
      $header .= "Content-Type: multipart/mixed; boundary=\"".$uid."\"\r\n\r\n";
      $header .= "This is a multi-part message in MIME format.\r\n";
      $header .= "--".$uid."\r\n";
      $header .= "Content-Type: text/html; charset=iso-8859-1\n";
      $header .= "Content-Transfer-Encoding: 7bit\r\n\r\n";
      $header .= $message."\r\n\r\n";
      $header .= "--".$uid."\r\n";
      $header .= "Content-Type: application/octet-stream; name=\"".$filename."\"\r\n"; // use different content types here
      $header .= "Content-Transfer-Encoding: base64\r\n";
      $header .= "Content-Disposition: attachment; filename=\"".$filename."\"\r\n\r\n";
      $header .= $content."\r\n\r\n";
      $header .= "--".$uid."--";
      if (mail($mailto, $subject, "", $header)) {
          echo  "OK"; // or use booleans here
      } else {
          echo  "ERROR!";
      }
  }
  </code></pre>