PHPMailer附件类型和大小限制 [英] PHPMailer attachment type and size limit

问题描述

我有一个表单，我正在使用PHPMailer将数据从该表单发送到我的电子邮件中.用户也可以发送附件，但是我有一个问题:如何使PHPMailer拒绝大于2Mb的附件并仅允许iamge附件(不允许其他类型的文档)?

i have one form and i am using PHPMailer to send data from that form to my email. Users can send attachments as well, but i have one rpoblem: how to make PHPMailer to deny attachments larger than 2Mb and to allow only iamge attachments (no other types of documents)?

这是我用于通过PHPMailer倍增电子邮件附件的代码:

This is code i using for multiply email attachments with PHPMailer:

foreach(array_keys($_FILES['fileAttach']['name']) as $key) {

   $source = $_FILES['fileAttach']['tmp_name'][$key]; 
   $filename = $_FILES['fileAttach']['name'][$key]; 

   $mail->AddAttachment($source, $filename);

}

推荐答案

，您可以使用 filesize() 和使用 .

结果代码如下:

$maxsize = 2 * 1024 * 1024; // 2 MB
$types = array('image/png', 'image/jpeg', 'image/gif'); // allowed mime-types

if(filesize($filename) < $maxsize && in_array(mime_content_type($filename),$types)){
  $mail->AddAttachment($source, $filename);
}

编辑:PHPMailer并没有内置这些​​小工具的功能-从源代码中可以看到，它仅在添加附件时检查文件是否存在:

PHPMailer doesn't have a built-in possibility for those chacks - as you can see from the source, it only checks if the file exists when adding an attachment:

if ( !@is_file($path) ) {
  throw new phpmailerException($this->Lang('file_access') . $path, self::STOP_CONTINUE);
}

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