Description:
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Specifying a Content-type header in a streams operation using the HTTP wrapper causes a file_get_contents operation using that streams context to fail. Not specifying the Content-type header results in a Notice being issued saying that application/x-www-form-urlencoded is assumed and the script then works as expected.

Reproduce code:
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http://paste2.org/p/18455

Expected result:
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Should send a URL in the following format to stdout, where # is a number.

http://paste2.org/p/#

Actual result:
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Warning: file_get_contents(http://paste2.org/new-paste): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /home/matt/pastebin.php on line 21