RE: [PHP-DEV] [Concept] declare(strict_identifiers=1)

> -----Original Message----- > From: otzelot2021@outlook.de <otzelot2021@outlook.de> > Sent: Wednesday, August 26, 2026 6:15 PM > To: internals@lists.php.net > Subject: [PHP-DEV] [Concept] declare(strict_identifiers=1) > > [..] I am proposing a per-file declare under which the accepted set > is specified: well-formed UTF-8, UAX31-R1-2 with the standard Default- > Ignorable Exclusion Profile, and NFC required rather than applied. Identifiers > consisting only of bytes below 0x80 are never examined, so existing code > pays nothing. Hey Luca, To prevent errors? I must admit I don't rly understand all the terms. I assume it implies identifiers should be more visible/readable, right? > To find out what this would break I surveyed the 250 most-downloaded Why would anything break if it's per-file? > Packagist packages and 250 GitHub repositories -- 168,604 PHP files -- using > ext/tokenizer. The Packagist corpus contains exactly one non-ASCII identifier, > and no identifier in either corpus is non-NFC. Do I understand it correctly that by adding that declare to 168604 you would uncover a single risky identifier? Not that convincing... Would it be fair to say that the same constraints can be enforced by linters/cs tooling? BR, Juris