[DoctrineBridge] Allowing memcache port to be 0 to support memcache unix domain sockets.
merged branch tammyd/bugfix/memcache-port-0 (PR #6529)

This PR was merged into the 2.1 branch.

Commits
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c282a2b [DoctrineBridge] Allowing memcache port to be 0 to support memcache unix domain sockets.

Discussion
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[DoctrineBridge] Allowing memcache port to be 0 to support memcache unix domain sockets.

[DoctrineBridge] Allowing memcache port to be 0 to support memcache unix domain sockets.

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Fixes the following tickets: #6527
Todo: -
License of the code: MIT
Documentation PR: ~