Re: [development] Strip out theme functions into a .theme file

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There is lots of subtle trade-offs involved (eg. less PHP parsing, smaller memory footprint, but more fopen() calls) and it is hard to predict how these level out. Let's not make claims and just benchmark it?

Would an opcode cache help to negate the fopen() calls? It may be worth benchmarking to see.

It may help, or may not. The point is: many people use Drupal on a shared host where there is no op-code cache. We cannot REQUIRE an op-code cache and leave these people hapless ...