Issues with OpenSSL on PHP - different behaviour for different versions

Question

(This question was originally posted on ServerFault - I have deleted it there and moved it here.)

I have a development machine running PHP 5.3.5 and a produ

Answer 1

According to this post, the issue is related to different OpenSSL versions of Apache and PHP in the XAMPP/Windows installation. I had a similar issue with openssl_verify. I solved it by using the same OpenSSL version for both Apache and PHP (replacing DLLs). Here's a link to the solution.

"I found a solution for the problem, it seems there are 2 wrong files in /apache/bin/ in the default 1.7.7 installation that need to be replaced by the files existing in /php/ (libeay32.ddl and ssleay32.dll)"