## Namespaces - defaults to 0
if ( !is_null( $this->namespaces ) ) { // null -> search all
if ( count( $this->namespaces ) < 1 ) {
## Namespaces - defaults to 0
if ( !is_null( $this->namespaces ) ) { // null -> search all
if ( count( $this->namespaces ) < 1 ) {