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I can't run this on PHP 5.3 or PHP 5.4 or ...

I know. And you shouldn't. UPGRADE NOW!

Generally having problems with PHP 5?

Yes. For netcurl 6.1, it's no longer my problem. It's yours and your inability to move forward with the world. Go PHP 7 NOW, so we can drop PHP 5 entirely! Netcurl still lives in an obsolete world of syntax, thanks to the slow upgrade rate. But as everybody - except you - are moving forward now, you will be left alone with your old releases.

How we handle SSL

The below text is documented from prior releases of NetCurl 6.0 - it is a well documented fact that CURLOPT_SSL_VERIFYHOST has changed over time. In netcurl 6.1 it is still not decided whether this should be kept or discontinued to use as this was a problem discovered in a very specific version of PHP 5.4 combined with libcurl. Running this old PHP releases should be considered extremely disencouraged (and stupid) in a security point of view.

From libcurl 7.28.1 CURLOPT_SSL_VERIFYHOST is deprecated. However, using the value 1 can be used
as of PHP 5.4.11, where the deprecation notices was added. The deprecation has started before libcurl
7.28.1 (this was discovered on a server that was running PHP 5.5 and libcurl-7.22). In full debug
even libcurl-7.22 was generating this message, so from PHP 5.4.11 we are now enforcing the value 2
for CURLOPT_SSL_VERIFYHOST instead. The reason of why we are using the value 1 before this version
is actually a lazy thing, as we don't want to break anything that might be unsupported before this version.

SSL Certificate problems

This section covers:


Documented in  NETCURL-13 - Getting issue details... STATUS

In some versions of PHP SSL verification fails with routines:SSL3_GET_SERVER_CERTIFICATE:certificate. For the tests, where the importance of result is not focused on SSL, we could disable the verification checks if we want to do so. In Bitbucket Pipelines docker environments errors has been discovered on some PHP releases, which we'd like to primary disable.

In version 6.0.20 a self adjusting feature was added to handle verification errors automatically. Especially the error codes 14090086 (routines:ssl3_get_server_certificate:certificate) and 1407E086 (routines:SSL2_SET_CERTIFICATE) was added to the core to make sure - if it was allowed by the system - such problems could be bypassed. By means, in this case it is equal to a security layer removal (by simply disable SSL verifications on fly).

For v6.1 we should try to implement the same procedure.

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