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


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 0 (no sub-pages) or 1 (sub-pages allowed). A categoryspace (namespace 14) subpage will work like any other category.

See Help:SubpagesHelp:Subpages.

Enabling for a namespace

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

The normal way to enable subpages for a given namespace is to edit the LocalSettings.phpManual: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

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;

Enabling for all namespaces

# Enable subpages in all namespaces
$wgNamespacesWithSubpages = array_fill(
 	0, 200, true

This assumes you have no more than 200 namespaces.

If you only wanted to enable subpages for all talk namespaces, you would use:

# Enable subpages in all talk namespaces
$arr = array_fill(
 	0, 200, true
foreach( $arr as $key => $value ) {
	if( $key & 1 ) { // Bit checking
		unset ( arr[$key] );
$wgNamespacesWithSubpages = array_merge(
 	$wgNamespacesWithSubpages, $arr

Again, this assumes you have no more than 200 namespaces.

Default value

$wgNamespacesWithSubpages = array(
 	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_HELP => true,
 	NS_HELP_TALK => true,

Note Note: 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".

See also