function getNsIndex( $text ) {
$this->load();
$lctext = $this->lc($text);
- if( ( $ns = Namespace::getCanonicalIndex( $lctext ) ) !== null ) return $ns;
+ if( ( $ns = MWNamespace::getCanonicalIndex( $lctext ) ) !== null ) return $ns;
return isset( $this->mNamespaceIds[$lctext] ) ? $this->mNamespaceIds[$lctext] : false;
}