PHP :: Doc Bug #79361 :: Failure to mention BC breaking changes due PCRE2 upgrade

Doc Bug #79361	Failure to mention BC breaking changes due PCRE2 upgrade
Submitted:	2020-03-09 18:27 UTC	Modified:	2020-05-17 15:50 UTC
From:	jakob at givoni dot dk	Assigned:
Status:	Open	Package:	PCRE related
PHP Version:	7.3.15	OS:
Private report:	No	CVE-ID:	None

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[2020-03-09 18:27 UTC] jakob at givoni dot dk

Description:
------------
---
From manual page: https://php.net/migration73.incompatible
---
The section "Backward Incompatible Changes" on https://wiki.php.net/rfc/pcre2-migration
mentions many issues that would be nice to know before upgrading.
At the very least a link to this section should be provided on this migration page.

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[2020-03-12 09:12 UTC] nikic@php.net

Is there anything in particular that requires documentation here? Did you encounter some specific issue? The quoted section is mostly concerned with changes that are not user-visible.

[2020-03-14 10:29 UTC] cmb@php.net

There is also a short section about the PCRE ugrade elsewhere in
the migration guide:
<https://www.php.net/manual/en/migration73.other-changes.php#migration73.other-changes.pcre>

[2020-05-17 15:50 UTC] jakob at givoni dot dk

I feel I have answered to Nikita's question back in March, but as I don't see my comment here in the bug report, maybe something failed before it got submitted.

Anyway, the answer is yes, I encountered a specific issue after upgrading that I would have paid more attention to during upgrade, had I seen that my regexes might potentially break. I don't remember the exact error message anymore.

I know there's mention of changes to PCRE elsewhere, but I think it would be proper to put a link on https://php.net/migration73.incompatible pointing to https://wiki.php.net/rfc/pcre2-migration

If you want, I can submit the patch myself. Should I wait until the status changes to verified?

[2023-01-24 11:13 UTC] bayerruff at gmail dot com

That was so amazing. 

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[2023-08-22 10:03 UTC] trankhoaitayto012 at gmail dot com

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