PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated
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Authored By

	brennen
	Nov 20 2025, 4:27 PM

Description

Error

service.version: 1.46.0-wmf.2
timestamp: 2025-11-20T15:29:53.824Z
labels.phpversion: 8.3.26
trace.id: bdb536a8-878d-4949-833b-3466fdf2749d
Find trace.id in Logstash

labels.normalized_message

[{reqId}] {exception_url}   PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated

Frame	Location	Call
from	/srv/mediawiki/php-1.46.0-wmf.2/includes/libs/StringUtils/StringUtils.php(321)
#0	[internal function]	MediaWiki\Exception\MWExceptionHandler::handleError(int, string, string, int)
#1	/srv/mediawiki/php-1.46.0-wmf.2/includes/libs/StringUtils/StringUtils.php(321)	explode(string, null)
#2	/srv/mediawiki/php-1.46.0-wmf.2/includes/Parser/BlockLevelPass.php(194)	Wikimedia\StringUtils\StringUtils::explode(string, null)
#3	/srv/mediawiki/php-1.46.0-wmf.2/includes/Parser/BlockLevelPass.php(52)	MediaWiki\Parser\BlockLevelPass->execute()
#4	/srv/mediawiki/php-1.46.0-wmf.2/includes/Parser/Parser.php(1615)	MediaWiki\Parser\BlockLevelPass::doBlockLevels(null, bool)
#5	/srv/mediawiki/php-1.46.0-wmf.2/includes/Parser/Parser.php(607)	MediaWiki\Parser\Parser->internalParseHalfParsed(null, bool, bool)
#6	/srv/mediawiki/php-1.46.0-wmf.2/includes/Language/MessageParser.php(129)	MediaWiki\Parser\Parser->parse(null, MediaWiki\Title\Title, MediaWiki\Parser\ParserOptions, bool)
#7	/srv/mediawiki/php-1.46.0-wmf.2/includes/Language/Message/Message.php(1490)	MediaWiki\Language\MessageParser->parse(string, MediaWiki\Title\Title, bool, bool, MediaWiki\Language\Language)
#8	/srv/mediawiki/php-1.46.0-wmf.2/includes/Language/Message/Message.php(1074)	MediaWiki\Message\Message->parseText(string)
#9	/srv/mediawiki/php-1.46.0-wmf.2/includes/Language/Message/Message.php(1160)	MediaWiki\Message\Message->format(string)
#10	/srv/mediawiki/php-1.46.0-wmf.2/extensions/FlaggedRevs/includes/frontend/FlaggablePageView.php(506)	MediaWiki\Message\Message->parseAsBlock()
#11	/srv/mediawiki/php-1.46.0-wmf.2/extensions/FlaggedRevs/includes/frontend/FlaggablePageView.php(344)	FlaggablePageView->showDraftVersion(FlaggedRevision, string)
#12	/srv/mediawiki/php-1.46.0-wmf.2/extensions/FlaggedRevs/includes/frontend/FlaggedRevsUIHooks.php(307)	FlaggablePageView->setPageContent(null, bool)
#13	/srv/mediawiki/php-1.46.0-wmf.2/includes/HookContainer/HookContainer.php(141)	FlaggedRevsUIHooks->onArticleViewHeader(MediaWiki\Page\Article, null, bool)
#14	/srv/mediawiki/php-1.46.0-wmf.2/includes/HookContainer/HookRunner.php(922)	MediaWiki\HookContainer\HookContainer->run(string, array)
#15	/srv/mediawiki/php-1.46.0-wmf.2/includes/Page/Article.php(695)	MediaWiki\HookContainer\HookRunner->onArticleViewHeader(MediaWiki\Page\Article, null, bool)
#16	/srv/mediawiki/php-1.46.0-wmf.2/includes/Page/Article.php(538)	MediaWiki\Page\Article->generateContentOutput(MediaWiki\User\User, MediaWiki\Parser\ParserOptions, int, MediaWiki\Output\OutputPage, array)
#17	/srv/mediawiki/php-1.46.0-wmf.2/includes/Actions/ViewAction.php(71)	MediaWiki\Page\Article->view()
#18	/srv/mediawiki/php-1.46.0-wmf.2/includes/Actions/ActionEntryPoint.php(734)	MediaWiki\Actions\ViewAction->show()
#19	/srv/mediawiki/php-1.46.0-wmf.2/includes/Actions/ActionEntryPoint.php(505)	MediaWiki\Actions\ActionEntryPoint->performAction(MediaWiki\Page\Article, MediaWiki\Title\Title)
#20	/srv/mediawiki/php-1.46.0-wmf.2/includes/Actions/ActionEntryPoint.php(143)	MediaWiki\Actions\ActionEntryPoint->performRequest()
#21	/srv/mediawiki/php-1.46.0-wmf.2/includes/MediaWikiEntryPoint.php(184)	MediaWiki\Actions\ActionEntryPoint->execute()
#22	/srv/mediawiki/php-1.46.0-wmf.2/index.php(44)	MediaWiki\MediaWikiEntryPoint->run()
#23	/srv/mediawiki/w/index.php(3)	require(string)
#24	{main}

Notes

Noted this and a handful of other likely-related PHP deprecation warnings in 1.46.0-wmf.2 & .3. See logstash.

Details

Request URL: https://pl.wikipedia.org/w/index.php?fromsection=*&shownotice=*&stable=*&title=*

Event Timeline

brennen created this task.Nov 20 2025, 4:27 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptNov 20 2025, 4:27 PM

brennen moved this task from Backlog to Logs/Train on the User-brennen board.Nov 20 2025, 4:27 PM

Reedy added projects: PHP 8.1 support, FlaggedRevs.Nov 20 2025, 4:28 PM

SLopes-WMF edited projects, added Content-Transform-Team (Work In Progress); removed Content-Transform-Team.Nov 27 2025, 3:16 PM

thcipriani moved this task from Untriaged to Oct-Dec 2025 on the Wikimedia-production-error board.Jan 15 2026, 5:47 PM

PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecatedOpen, Needs TriagePublicPRODUCTION ERRORActions

Description

Error

Notes

Details

Event Timeline

PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated
Open, Needs TriagePublicPRODUCTION ERROR
Actions