// Missing product redirect to product category add_filter( \'rewrite_rules_array\', function( $rules ) { $new_rules = array( \'shop/([^/]*?)/page/([0-9]{1,})/?$\' => \'index.php?product_cat=$matches[1]&paged=$matches[2]\', \'shop/([^/]*?)/?$\' => \'index.php?product_cat=$matches[1]\', ); return $new_rules + $rules; } );