# [Pre-RFC] Pure-code source files via .phpc extension

- Thread: https://externals.io/message/131038
- Original archive: https://news-web.php.net/php.internals/131038
- Started by Bruce Weirdan on 2026-05-28T16:14:20+00:00
- Messages: 1
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## #131038 — Bruce Weirdan — 2026-05-28T16:14:20+00:00

URL: https://externals.io/message/131038#131038

> > […]
>
> Agreed, and nothing in the proposal changes that. Existing .php files behave exactly as today through every SAPI. The proposal is additive: a new file type that the engine handles differently, with zero impact on the existing default path.

This is not entirely true, as the handling of `*phpc` (or whatever
extension you are going to choose) _will_ change. People could already
be using files with that extension. The BC impact is non-zero, though
problems are arguably unlikely.