public static function getContentNamespaces() {
global $wgContentNamespaces;
if ( !is_array( $wgContentNamespaces ) || $wgContentNamespaces === array() ) {
- return NS_MAIN;
+ return array( NS_MAIN );
} elseif ( !in_array( NS_MAIN, $wgContentNamespaces ) ) {
// always force NS_MAIN to be part of array (to match the algorithm used by isContent)
return array_merge( array( NS_MAIN ), $wgContentNamespaces );