woocommerce importer: read, replace and insert name attribute - php

Question

the following code is in the Wooimporter.php page (a plugin to import products into woocommerce), the script reads the data taken from a web page and imports them as products, I have to make sure that when importing it reads an attribute of name 'red oranges' must replace it and insert it in the database with name 'reds', the code is as follows:
how to edit or add php code? thank you
public static function addAttributes(array $features, $product_id)
{
if (!$product = \wc_get_product($product_id))
return false;
$attributes = $product->get_attributes();
$taxonomy_count = 0;
foreach ($features as $feature)
{
$f_name = \wc_clean($feature['name']);
$f_slug = self::getSlug($f_name);
// exists?
if (isset($attributes[$f_slug]) || isset($attributes['pa_' . $f_slug]))
continue;
$f_value = \wc_sanitize_term_text_based($feature['value']);
$f_value_array = self::value2Array($f_value);
$term_ids = array();
$taxonomy = '';
// Taxonomy exists?
if (\taxonomy_exists(\wc_attribute_taxonomy_name($f_name)))
{
// Taxonomy attribute
$taxonomy_count++;
if ($attr_id = self::createTaxonomyAttribute($f_name, $f_slug))
{
$taxonomy = \wc_attribute_taxonomy_name_by_id($attr_id);
// Register the taxonomy now so that the import works!
if (!\taxonomy_exists($taxonomy))
{
$taxonomy = TextHelper::truncate($taxonomy, 32, '');
\register_taxonomy($taxonomy, apply_filters('woocommerce_taxonomy_objects_' . $taxonomy, array('product')), apply_filters('woocommerce_taxonomy_args_' . $taxonomy, array('hierarchical' => true, 'show_ui' => false, 'query_var' => true, 'rewrite' => false)));
}
// Creates the term and taxonomy relationship if it doesn't already exist.
// It may be confusing but the returned array consists of term_taxonomy_ids instead of term_ids.
\wp_set_object_terms($product->get_id(), $f_value_array, $taxonomy);
$term_ids = array();
foreach ($f_value_array as $term)
{
if ($term_info = \term_exists($term, $taxonomy))
$term_ids[] = $term_info['term_id'];
}
$term_ids = array_map('intval', $term_ids);
} else
$attr_id = 0;
} else
{
// Local Attribute
$attr_id = 0;
}
$attribute = new \WC_Product_Attribute();
$attribute->set_id($attr_id); // 0 for product level attributes. ID for global attributes.
if ($taxonomy)
$attribute->set_name($taxonomy);
else
$attribute->set_name($f_name);
// attribute value or array of term ids/names.
if ($term_ids)
$attribute->set_options($term_ids);
else
$attribute->set_options($f_value_array);
$attribute->set_visible(true); // If visible on frontend.
$attributes[] = $attribute;
}
$product->set_attributes($attributes);
$res = $product->save();
if ($taxonomy_count)
\flush_rewrite_rules();
return $res;
}
public static function createTaxonomyAttribute($slug, $name, $type = 'text')
{
global $wpdb;
$attribute = array();
$attribute['attribute_label'] = \wc_clean($slug);
$attribute['attribute_name'] = \wc_sanitize_taxonomy_name($name);
$attribute['attribute_type'] = $type;
$attribute['attribute_orderby'] = 'menu_order';
// validate slug
if (strlen($attribute['attribute_name']) >= 28 || \wc_check_if_attribute_name_is_reserved($attribute['attribute_name']))
return false;
if (\taxonomy_exists(\wc_attribute_taxonomy_name($attribute['attribute_name'])))
return \wc_attribute_taxonomy_id_by_name($attribute['attribute_name']);
// Create the taxonomy
$insert = $wpdb->insert($wpdb->prefix . 'woocommerce_attribute_taxonomies', $attribute);
if (\is_wp_error($insert))
return false;
$id = $wpdb->insert_id;
\wp_schedule_single_event(time(), 'woocommerce_flush_rewrite_rules');
\delete_transient('wc_attribute_taxonomies');
return $id;
}