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For example, coding standards:

`There MUST NOT be a hard limit on line length; the soft limit MUST be 120 characters; lines SHOULD be 80 characters or less.`


A language that has to permit this kind of thing (or thinks it has to) is just going to lead to developer infighting. This is an important issue because GitHub PRs are going to be unreadable if one developer can insist that "this line needs to be 145 characters..." and then no-one can diff changes to that code. You can break the PR process with this kind of thing.

I'm not sure what this has to do with PHP as a language... barring the few languages with a very strong default formatting convention like Go, code style differences are both a fact of life and not terribly problematic (set rules for the project and enforce them automatically).

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