Toolset: Mostrar relevancia de los resultados

add_shortcode( 'show_results_relevance', 'show_results_relevance_func');
function show_results_relevance_func($atts) {
    // get the searched terms for main ingredients
    $searched_recipe_main_ingredient = do_shortcode('[wpv-search-term param="wpv-main-ingredient"]');
    if(!empty($searched_recipe_main_ingredient))
    {
        $searched_recipe_main_ingredient_arr = explode(", ", $searched_recipe_main_ingredient);
        // count of searched main ingredients
        $searched_recipe_main_ingredient_count = count($searched_recipe_main_ingredient_arr);
  
        // get attached main ingredients for current post
        $attached_main_ingredients = do_shortcode("[wpv-post-taxonomy type='main-ingredient' format='name' separator=', ']");
  
        if(!empty($attached_main_ingredients))
        {   
            $attached_main_ingredients_arr = explode(", ", $attached_main_ingredients);
             
            // count of common ingredients which were searched and are also attached
            $matched_main_ingredients = count(array_intersect($searched_recipe_main_ingredient_arr,$attached_main_ingredients_arr));        
        }
        else
        {
            $matched_main_ingredients = 0;
        }
  
    }
    else
    {
        $searched_recipe_main_ingredient_count = 0;
        $matched_main_ingredients = 0;
    }
  
 
 
 
    return ($matched_main_ingredients/$searched_recipe_main_ingredient_count*100);
 
}

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