*/
public function formatTitle( $namespace, $text, $fragment = '', $interwiki = '' ) {
if ( $namespace !== false ) {
- $namespace = $this->getNamespaceName( $namespace, $text );
+ // Try to get a namespace name, but fallback
+ // to empty string if it doesn't exist
+ try {
+ $nsName = $this->getNamespaceName( $namespace, $text );
+ } catch ( InvalidArgumentException $e ) {
+ $nsName = '';
+ }
- if ( $namespace !== '' ) {
- $text = $namespace . ':' . $text;
+ if ( $namespace !== 0 ) {
+ $text = $nsName . ':' . $text;
}
}