For Developers

Filters

wpify_woo_xml_feed_heureka_item_data

The main filter for modifying or adding product data in the feed.

add_filter( 'wpify_woo_xml_feed_heureka_item_data', function( $data, $product, $parent_product ) {
    // Modify data
    return $data;
}, 10, 3 );

Parameter	Type	Description
$data	array	Product data for XML
$product	WC_Product	Product (variant if exists)
$parent_product	WC_Product	Parent product

Returns: array

Usage Examples

Using short description:

add_filter( 'wpify_woo_xml_feed_heureka_item_data', function( $data, $product, $parent_product ) {
    if ( $product->get_short_description() ) {
        $data['DESCRIPTION'] = array( '_cdata' => $product->get_short_description() );
    } elseif ( $parent_product->get_short_description() ) {
        $data['DESCRIPTION'] = array( '_cdata' => $parent_product->get_short_description() );
    }
    return $data;
}, 10, 3 );

Adding MANUFACTURER:

add_filter( 'wpify_woo_xml_feed_heureka_item_data', function( $data, $product ) {
    $manufacturer = $product->get_attribute( 'manufacturer' );
    if ( $manufacturer ) {
        $data['MANUFACTURER'] = array( '_cdata' => $manufacturer );
    }
    return $data;
}, 10, 2 );

Free shipping over 1500 CZK:

add_filter( 'wpify_woo_xml_feed_heureka_item_data', function( $data, $product ) {
    if ( $product->get_price() > 1500 ) {
        foreach ( $data as $key => $item ) {
            if ( strpos( $key, '__custom:DELIVERY' ) !== false && $item['DELIVERY_ID'] === 'ZASILKOVNA' ) {
                $data[$key]['DELIVERY_PRICE'] = 0;
                $data[$key]['DELIVERY_PRICE_COD'] = 30;
            }
        }
    }
    return $data;
}, 10, 2 );

Adding alternative images:

add_filter( 'wpify_woo_xml_feed_heureka_item_data', function( $data, $product ) {
    $gallery_ids = $product->get_gallery_image_ids();
    foreach ( $gallery_ids as $id ) {
        $data['__custom:IMGURL_ALTERNATIVE:' . $id] = array(
            '_cdata' => wp_get_attachment_url( $id )
        );
    }
    return $data;
}, 10, 2 );

---

wpify_woo_xml_heureka_skip_product

Filter for excluding a product from the feed.

add_filter( 'wpify_woo_xml_heureka_skip_product', function( $skip, $product ) {
    // Return true to exclude
    return $skip;
}, 10, 2 );

Parameter	Type	Description
$skip	bool	false default (do not exclude)
$product	WC_Product	Product

Returns: bool - true to exclude

Usage Examples

Exclude by ID:

add_filter( 'wpify_woo_xml_heureka_skip_product', function( $skip, $product ) {
    return in_array( $product->get_id(), array( 19, 20, 21 ) );
}, 10, 2 );

Exclude by category:

add_filter( 'wpify_woo_xml_heureka_skip_product', function( $skip, $product ) {
    $excluded = array( 15, 16 ); // Category IDs
    return count( array_intersect( $excluded, $product->get_category_ids() ) ) > 0;
}, 10, 2 );

Filter by language (Polylang):

add_filter( 'wpify_woo_xml_heureka_skip_product', function( $skip, $product ) {
    if ( ! function_exists( 'pll_get_post_language' ) ) {
        return $skip;
    }

    $desired_lang = 'cs'; // Language for feed (cs, sk, en, ...)
    $product_lang = pll_get_post_language( $product->get_id(), 'slug' );

    // Exclude products in other languages
    if ( $product_lang && $product_lang !== $desired_lang ) {
        return true;
    }

    return $skip;
}, 10, 2 );

Filter by language (WPML):

add_filter( 'wpify_woo_xml_heureka_skip_product', function( $skip, $product ) {
    $desired_lang = 'cs'; // Language for feed
    $product_lang = apply_filters( 'wpml_post_language_details', null, $product->get_id() );

    if ( $product_lang && isset( $product_lang['language_code'] ) && $product_lang['language_code'] !== $desired_lang ) {
        return true;
    }

    return $skip;
}, 10, 2 );

Note

The free version generates only one XML file. For generating multiple feeds, use the premium plugin WPify Woo Feeds.

---

wpify_woo_feed_products_per_page

Adjusts the number of products processed in one generation step.

add_filter( 'wpify_woo_feed_products_per_page', function( $count ) {
    return 20; // Default is 100
} );

Parameter	Type	Description
$count	int	Number of products (default 100)

Returns: int

Tip

Reduce the value if you have issues with timeouts during feed generation.

---

wpify_woo_feed_heureka_categories_lang

Adjusts the language for loading Heureka categories.

add_filter( 'wpify_woo_feed_heureka_categories_lang', function( $lang ) {
    return 'sk'; // Default is 'cz'
} );

---

wpify_heureka_categories_assignment

Adjusts arguments for loading WooCommerce categories during mapping.

add_filter( 'wpify_heureka_categories_assignment', function( $args ) {
    $args['hide_empty'] = true; // Hide empty categories
    return $args;
} );

Product Meta Keys

Field	Meta Key
Heureka Product Name	_wpify_woo_heureka_product_name
Heureka Product	_wpify_woo_heureka_product
Heureka Category	_wpify_woo_heureka_category

XML Feed Specification

You can find the complete list of supported tags in the Heureka XML file specification.