T278139: Drop PHP 7.3 support in MediaWiki when appropriate

Phabricator Link	T278139
Status	stalled
Priority	Needs Triage (violet)
Points
Phabricator Task Created	2021/03/22 11:46 AM
Wiki Page Created	2021/04/22 06:45 PM
Phabricator Task Last Modified	2022/01/10 06:12 PM
Wiki Page Last Updated	2022/01/10 08:19 PM
Phabricator Task Closed
Authored By	Jdforrester-WMF (James D. Forrester)
Assigned To
Projects	MediaWiki-General PHP 7.3 support (Backlog)
Platform Engineering Initiative Column
Platform Team Workboards Column
Subtasks	T261872: Drop PHP 7.2 support from MediaWiki master branch, once Wikimedia production is on 7.4 (stalled) T298914: Decide from which release branch we should drop PHP 7.3 support (open)
Parent Tasks	T166010: The Great Namespaceization and Reorg T277618: var_dump() on various objects writes gigabytes of data and takes minutes to run

Column Transitions: (Added project: ⇑, Removed project: ⇓,Entered column: ⇒, Exited column: ⇐)

Project	Column	Date
⇑ PHP 7.3 support		22 March 2021
⇑ MediaWiki-General		22 March 2021