Support doctrine/common 3

[jaikdean]

The release notes for doctrine/common 3.0.0 suggest it's easy to support both 2.x and 3.0.

[peter-mghendi]

Has any work been done on this? Or is there a fork in which doctrine/common 3.0 is supported?

[jaikdean]

@sixpeteunder See #2150

[peter-mghendi]

Thanks @jaikdean. I left a comment on there.

[svycka]

we have to drop php <=7.1 versions if we want doctrine/common:3.0.0 I have created #2150 for 2.4 and #2151 for 3.0 versions but both have problems with PHP versions and also doctrine/mongodb with is deprecated and possibly more problems

[AkenRoberts]

Thank you for bringing this up and doing some initial recon. 👍

There are no plans to do any of this on the 2.4.x branch. master is targeting a 3.0 release and has already done some initial work here, such as updating some dependencies, bumping the minimum PHP version to 7.2, etc.

I haven't added support for doctrine/common 3.0 yet, though. I'll take care of that now. :)

[AkenRoberts]

⬆️ Completed in #2150.