Description:
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Upgrading from PHP 4.2 to PHP 5.1.4 broke the cURL connection.


Reproduce code:
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The following code worked with PHP 4.2 but now produces no response:

$ch = curl_init($gateway);
curl_setopt($ch, CURLOPT_VERBOSE,TRUE);
curl_setopt($ch, CURLOPT_HEADER, 0); // set to 0 to eliminate header info from response
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // Returns response data instead of TRUE(1)
curl_setopt($ch, CURLOPT_POSTFIELDS,$postdata);
$res = curl_exec($ch);
curl_close ($ch);

After upgrading to PHP 5.1.4 only the command line works:

$res = exec("/usr/bin/curl -iL -d '$postdata' --url '$gateway'");

The gateway is a secure web site connected with my secure web site where both URLs begin with "https://".

Although my workaround solves the problem. There is now a bug between cURL and PHP5.


Expected result:
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Top example returns nothing but should return a response into array $res.

Bottom example returns that same as prior to PHP5 upgrade. It is a patch that demonstrate that the cURL lib may be working correctly while the new version of PHP may have an interfacing issue with it.


Actual result:
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curl_errno() returns error 35 "Unknown SSL protocol..." after curl_exec().