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Differential D25810

Fix PHP 8.1 "strlen(null)" exception in HTTPFutureHTTPResponseStatus
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Authored by aklapper on Aug 26 2024, 21:32.

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Reviewers

valerio.bozzolan

Group Reviewers

O1: Blessed Committers

Maniphest Tasks

T15930: PHP 8.1 "strlen(null)" exception in HTTPFutureHTTPResponseStatus

Commits

rARCead6759082d2: Fix PHP 8.1 "strlen(null)" exception in HTTPFutureHTTPResponseStatus

Summary

strlen() was used in Phabricator to check if a generic value is a non-empty string.
This behavior is deprecated since PHP 8.1. Phorge adopts phutil_nonempty_string() as a replacement.

Note: this may highlight other absurd input values that might be worth correcting
instead of just ignoring. If phutil_nonempty_string() throws an exception in your
instance, report it to Phorge to evaluate and fix that specific corner case.

ERROR 8192: strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [/var/www/html/phorge/arcanist/src/future/http/status/HTTPFutureHTTPResponseStatus.php:16]

Closes T15930

Test Plan

Run arcanist/bin/arc unit --everything on a PHP >= 8.1 system.

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Event Timeline

aklapper created this revision.Aug 26 2024, 21:32

Owners added a reviewer: O1: Blessed Committers.Aug 26 2024, 21:32

Herald added subscribers: Cigaryno, Matthew, valerio.bozzolan, tobiaswiese. · View Herald TranscriptAug 26 2024, 21:32

aklapper requested review of this revision.Aug 26 2024, 21:32

Harbormaster completed remote builds in B1570: Diff 2431.Aug 26 2024, 21:33

aklapper mentioned this in D25809: ArcanistBundleTestCase: fix support of non-English environments.Aug 26 2024, 21:41

Thanks. Premising that $body can be null and that's a feature

https://we.phorge.it/source/arcanist/browse/master/src/parser/http/PhutilHTTPResponseParser.php;995072b31fff5c7d77bcb353d25df819bfd3798a$124

When body is NULL here, then NULL may arrive in phutil_utf8ize() and other things.

Maybe better to just run this very early:

$body = phutil_string_cast($body);

What do you think about?

What Valerio says: As $body can be null, make sure that the rest of this function's code deals with an empty string and not with null

Harbormaster completed remote builds in B1595: Diff 2476.Sep 16 2024, 09:36

yesyes

This revision is now accepted and ready to land.Sep 16 2024, 09:52

Closed by commit rARCead6759082d2: Fix PHP 8.1 "strlen(null)" exception in HTTPFutureHTTPResponseStatus. · Explain WhySep 16 2024, 16:26

This revision was automatically updated to reflect the committed changes.

aklapper added a commit: rARCead6759082d2: Fix PHP 8.1 "strlen(null)" exception in HTTPFutureHTTPResponseStatus.

Revision Contents
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Path

Size

Packages

src/

future/

http/

status/

HTTPFutureHTTPResponseStatus.php

2 lines

O1: Blessed Committers

Diff 2478

src/future/http/status/HTTPFutureHTTPResponseStatus.php

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