我尝试使用 PHP 邮件发送 CSV 文件。这是导致双换行错误的版本(从服务器错误日志中获得):
$content = base64_encode($content);
$uid = md5(uniqid(time()));
$header = "From: ".$from_name." <".$from_mail.">\r\n";
$header .= "Reply-To: ".$replyto."\r\n";
$header .= "Content-type:text/plain; charset=utf-8\r\n";
$header .= "Content-Transfer-Encoding: 7bit\r\n";
$header .= $message."\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";
$header .= $content."\r\n";
$header .= "--".$uid."--";
if (!mail($mailto, $subject, "", $header)) {
echo "mail send ... ERROR!";
}
而当我删除“chunk_split”时,它不会导致错误,但收件人邮件服务器不接受它(即它既不会出现在收件箱中,也不会出现在垃圾邮件中)。
注意:“双换行错误”代码用于以前的主机,但无法在新主机上运行。