Adds specific product fields as product tags. This code will get the values from specific product fields and then set those values as tags for the product. [datafeedr][dfrpswc]

add_product_tags.php

<?php

/**
 * Adds specific product fields as product tags.
 *
 * This code will get the values from specific product fields and then
 * set those values as tags for the product.
 *
 * @param array $taxonomies An array keyed by taxonomy name and having values of taxonomy values.
 * @param array $post An array of post data including ID, post_title, post_status, etc...
 * @param array $product An array of product data returned from the Datafeedr API.
 * @param array $set A post array for this Product Set with an array key of postmeta containing all post meta data.
 * @param string $action The action the Product Set is performing. Value are either "insert" or "update".
 *
 * @return array Updated $taxonomies array.
 */
add_filter( 'dfrpswc_filter_taxonomy_array', 'mycode_add_tags', 20, 5 );
function mycode_add_tags( $taxonomies, $post, $product, $set, $action ) {

	$fields = array( 'category', 'productgroup' );
	$search = array( ";", ">", "," );
	
	$tags    = array();
	$replace = "||";

	foreach ( $fields as $field ) {

		if ( ! isset( $product[ $field ] ) ) {
			continue;
		}

		$words = str_replace( $search, $replace, $product[ $field ] );
		$words = explode( $replace, $words );

		foreach ( $words as $word ) {
			$tags[] = trim( $word );
		}
	}

	$taxonomies['product_tag'] = array_unique( $tags );

	return $taxonomies;
}