Я также столкнулся с проблемой и нашел аккуратный ответ.Вы можете использовать эту функцию для нескольких вложений.
function mail_attachment($files, $path, $mailto, $from_mail, $from_name, $replyto, $subject, $message, $cc, $bcc)
{
$uid = md5(uniqid(time()));
$header = "From: ".$from_name." <".$from_mail.">\r\n";
$header .= "Reply-To: ".$replyto."\r\n";
$header .= "cc : < $cc > \r\n" ; // comma saparated emails
$header .= "Bcc : < $bcc >\r\n"; // comma saparated emails
$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\r\n";
$header .= "Content-Transfer-Encoding: 7bit\r\n\r\n";
$header .= $message."\r\n\r\n";
foreach ($files as $filename)
{
$file = $path.$filename; // path should be document root path.
$name = basename($file);
$file_size = filesize($file);
$handle = fopen($file, "r");
$content = fread($handle, $file_size);
fclose($handle);
$content = chunk_split(base64_encode($content));
$header .= "--".$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."--";
return mail($mailto, $subject, "", $header);
}
Надеюсь, это поможет.