Manual:$wgNamespacesWithSubpages

Languages:

Namespaces: $wgNamespacesWithSubpages
Which namespaces should support subpages?
Introduced in version:	Before 1.1.0
Removed in version:	Still in use
Allowed values:	see below
Default value:	see below
Other settings: Alphabetical \| By function

Details

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The variable holds an array indicating which namespaces allow sub-pages. The array is indexed by the numeric namespace ID, and each array value is either false (no sub-pages) or true (sub-pages allowed). A categoryspace (namespace 14) subpage will work like any other category.

See Help:Subpages .

Enabling for a namespace

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See also Manual:Namespace constants for a list of the NS_... codes.

The normal way to enable subpages for a given namespace is to edit the LocalSettings.php and insert the following:

# Enable subpages in the main namespace
$wgNamespacesWithSubpages[NS_MAIN] = true;
# Enable subpages in the template namespace
$wgNamespacesWithSubpages[NS_TEMPLATE] = true;
# etc.

Disabling for a namespace

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Disable subpages in a namespace (where it is enabled by default). For example NS_TALK has subpages enabled by default in MediaWiki. To disable them, set false:

$wgNamespacesWithSubpages[NS_TALK] = false;

Default value

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The default of this setting has changed over the years. To be sure which one applies to your wiki check this setting in "DefaultSettings.php".

MediaWiki version:

≥ 1.29

$wgNamespacesWithSubpages = [
	NS_TALK => true,
	NS_USER => true,
	NS_USER_TALK => true,
	NS_PROJECT => true,
	NS_PROJECT_TALK => true,
	NS_FILE_TALK => true,
	NS_MEDIAWIKI => true,
	NS_MEDIAWIKI_TALK => true,
	NS_TEMPLATE => true,
	NS_TEMPLATE_TALK => true,
	NS_HELP => true,
	NS_HELP_TALK => true,
	NS_CATEGORY_TALK => true
];

MediaWiki versions:

1.21 – 1.28

$wgNamespacesWithSubpages = [
	NS_TALK => true,
	NS_USER => true,
	NS_USER_TALK => true,
	NS_PROJECT => true,
	NS_PROJECT_TALK => true,
	NS_FILE_TALK => true,
	NS_MEDIAWIKI => true,
	NS_MEDIAWIKI_TALK => true,
	NS_TEMPLATE_TALK => true,
	NS_HELP => true,
	NS_HELP_TALK => true,
	NS_CATEGORY_TALK => true
];

MediaWiki versions:

1.16 – 1.20

$wgNamespacesWithSubpages = array(
	NS_TALK => true,
	NS_USER => true,
	NS_USER_TALK => true,
	NS_PROJECT_TALK => true,
	NS_FILE_TALK => true,
	NS_MEDIAWIKI => true,
	NS_MEDIAWIKI_TALK => true,
	NS_TEMPLATE_TALK => true,
	NS_HELP_TALK => true,
	NS_CATEGORY_TALK => true
);

MediaWiki versions:

1.14 – 1.15

$wgNamespacesWithSubpages = array(
	NS_TALK => true,
	NS_USER => true,
	NS_USER_TALK => true,
	NS_PROJECT_TALK => true,
	NS_FILE_TALK => true,
	NS_MEDIAWIKI_TALK => true,
	NS_TEMPLATE_TALK => true,
	NS_HELP_TALK => true,
	NS_CATEGORY_TALK => true
);

MediaWiki versions:

1.5 – 1.13

$wgNamespacesWithSubpages = array(
	NS_TALK => true,
	NS_USER => true,
	NS_USER_TALK => true,
	NS_PROJECT_TALK => true,
	NS_IMAGE_TALK => true,
	NS_MEDIAWIKI_TALK => true,
	NS_TEMPLATE_TALK => true,
	NS_HELP_TALK => true,
	NS_CATEGORY_TALK => true
);