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Posted by zorro on 12/29/06 20:45
Ok I found the reason, hope this helps someone eventually:
You can see headers sent by cURL by using
$mydebug = fopen('debug.txt','w');
curl_setopt($curl, CURLOPT_STDERR, $mydebug);
curl_setopt($curl, CURLOPT_VERBOSE, 1);
I noticed those headers were different when posting with an array.
Namely, there is a "Expect: 100-continue header" which basically tells
the server that some content will be posted but only if the server
responds back with "HTTP/1.1 100 Continue" code. Why on the web site I
was posting to the continuing doesn't happen automatically like on my
testing servers i don't know. I tried setting headers like "Connection:
keep-alive" but it didn't help. What did work though was removing the
"Expect" header :
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Expect:'));
So now cURL doesn't ask permission to post first but just posts
directly.
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