Manual:$wgInstallerInitialPages

Maintenance scripts setting: $wgInstallerInitialPages
Pages to autocreate after installing MediaWiki.
Introduced in version:1.44.0 (Gerrit change 1087612; git #f99dd5c9)
Removed in version:Still in use
Allowed values:(array)
Default value:
$wgInstallerInitialpages = [
	[
		'titlemsg' => 'mainpage',
		'text' => '{{subst:int:mainpagetext}}

{{subst:int:mainpagedocfooter}}',
	],
];

Details

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Pages to autocreate after installing MediaWiki. Every entry is pair of keys titlemsg for providing system message cntaining page title, and text containing content of page.