1.37 Remove support for PHP serialization from ParserCache
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	• Pchelolo
	Nov 30 2020, 8:03 PM

Description

The ParserCache serialization was changed from PHP to JSON, but support for turning back to PHP was left, but deprecated. In 1.37 we can drop the support for $wgParserCacheUseJson.

Ref T263579: Change ParserCache serialization format to JSON.
Ref T161647: RFC: Deprecate using php serialization inside MediaWiki.

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Status	Subtype	Assigned	Task
Resolved		daniel	T269034 1.37 Remove support for PHP serialization from ParserCache
Resolved		• Pchelolo	T263579 Change ParserCache serialization format to JSON
Resolved		• Pchelolo	T264394 Ensure content of ParserOutput is safe to serialize
Duplicate		None	T266246 GeoData extension should not write objects into ExtensionData
Resolved		• Pchelolo	T266248 GeoData extension should not write objects into ExtensionData
Resolved		• Pchelolo	T266251 PageImages extension should not write objects into ExtensionData
Resolved		CCicalese_WMF	T266252 TemplateData extension should not write objects into ExtensionData
Resolved		daniel	T266260 Kartographer extension should not write objects into ExtensionData
Resolved		noarave	T266263 Wikibase extension should not write objects into ExtensionData
Resolved		• Pchelolo	T266268 Translate extension should not write objects into ExtensionData
Resolved		• Pchelolo	T267377 Jade must not set non-json-serializable properties to JSConfigVars
Declined		None	T264396 Create a maintenance script for warming (or fixing) the parser cache
Resolved		• Pchelolo	T264397 Check ParserOutput validity after deserialization
Resolved	BUG REPORT	Seb35	T291244 Objects in ParserCache’s ExtensionData are not unserialized

Event Timeline

• Pchelolo created this task.Nov 30 2020, 8:03 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptNov 30 2020, 8:03 PM

• Pchelolo moved this task from Untriaged to Not yet on the Technical-Debt (Deprecation process) board.Nov 30 2020, 8:03 PM

Izno moved this task from Not yet to 2021 | MW 1.36 / 1.37 on the Technical-Debt (Deprecation process) board.Jul 27 2021, 7:19 PM

@daniel authored change:

[mediawiki/core] ParserCache: always use JSON

https://gerrit.wikimedia.org/r/c/mediawiki/core/+/790397

Krinkle added a subtask: T263579: Change ParserCache serialization format to JSON.Jun 8 2022, 5:33 PM

Krinkle updated the task description. (Show Details)

1.37 Remove support for PHP serialization from ParserCacheClosed, ResolvedPublicActions

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1.37 Remove support for PHP serialization from ParserCache
Closed, ResolvedPublic
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