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Fix PHP 8.1 "strlen(null)" exception rendering a commit in Diffusion when bugtraq.url = null
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Authored by aklapper on Jun 12 2023, 01:12.

Details

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.

EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]
arcanist(head=master, ref.master=97e163187418), phorge(head=diffusionBrowseCommit, ref.master=9b99123ff931, ref.diffusionBrowseCommit=9b99123ff931)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/applications/diffusion/controller/DiffusionCommitController.php:925]

Closes T15464

Test Plan

After applying this change, selecting the last commit on http://phorge.localhost/diffusion/query/all/ correctly renders the commit page (e.g. /R1:1234567890abcdef1234567890abcdef12345678)

Diff Detail

Repository
rP Phorge
Branch
diffusionBrowseCommit (branched from master)
Lint
Lint Passed
Unit
Tests Passed
Build Status
Buildable 540
Build 540: arc lint + arc unit