How to show always 'In Stock products only' in the search results
- open file functions.php of the current wordpress theme
- place there next code:
add_filter('woof_get_request_data', function ($data){ $data['stock'] = 'instock'; return $data; });
add_filter('woof_get_request_data', function ($data){
$data['stock'] = 'instock';
return $data;
});