$pos = strrpos( $par, '/' );
$basepage = substr( $par, 0, $pos );
$code = substr( $par, $pos + 1 );
- if ( Language::isKnownLanguageTag( $code ) ) {
+ if ( strlen( $code ) && Language::isKnownLanguageTag( $code ) ) {
$base = Title::newFromText( $basepage );
}
}