Help me About Content-Type header parse

Server NGINX
1

When I used multipart/form-data, I find that:

  1. Content-Type: multipart/form-data;
    boundary=----------------------------4db878605894\r\n
  2. Content-Type: multipart/form-data;
    boundary=----------------------------4db878605894; charset=utf-8\r\n
  3. Content-Type: multipart/form-data; charset=utf-8;
    boundary=----------------------------4db878605894\r\n

in above three example, when I submit 1 and 3, It’s work fine, but 2
don’t
work

Is there a bug? or who can tell me why?

demonstrate code: <?php$header = <<<heredocPOST /index.php HTTP/1.1\r\nUser-Agent: curl/7.21.4 - Pastebin.com

Posted at Nginx Forum:

2

anyone can help me? please

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