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функция не описана

wc_product_post_type_link() WC 1.0

Filter to allow product_cat in the permalinks for products.

Возвращает

Строку.

Использование

wc_product_post_type_link( $permalink, $post );
$permalink(строка) (обязательный)
The existing permalink URL.
$post(WP_Post) (обязательный)
WP_Post object.

Код wc_product_post_type_link() WC 4.5.2

woocommerce/includes/wc-product-functions.php
<?php
function wc_product_post_type_link( $permalink, $post ) {
	// Abort if post is not a product.
	if ( 'product' !== $post->post_type ) {
		return $permalink;
	}

	// Abort early if the placeholder rewrite tag isn't in the generated URL.
	if ( false === strpos( $permalink, '%' ) ) {
		return $permalink;
	}

	// Get the custom taxonomy terms in use by this post.
	$terms = get_the_terms( $post->ID, 'product_cat' );

	if ( ! empty( $terms ) ) {
		$terms           = wp_list_sort(
			$terms,
			array(
				'parent'  => 'DESC',
				'term_id' => 'ASC',
			)
		);
		$category_object = apply_filters( 'wc_product_post_type_link_product_cat', $terms[0], $terms, $post );
		$product_cat     = $category_object->slug;

		if ( $category_object->parent ) {
			$ancestors = get_ancestors( $category_object->term_id, 'product_cat' );
			foreach ( $ancestors as $ancestor ) {
				$ancestor_object = get_term( $ancestor, 'product_cat' );
				if ( apply_filters( 'woocommerce_product_post_type_link_parent_category_only', false ) ) {
					$product_cat = $ancestor_object->slug;
				} else {
					$product_cat = $ancestor_object->slug . '/' . $product_cat;
				}
			}
		}
	} else {
		// If no terms are assigned to this post, use a string instead (can't leave the placeholder there).
		$product_cat = _x( 'uncategorized', 'slug', 'woocommerce' );
	}

	$find = array(
		'%year%',
		'%monthnum%',
		'%day%',
		'%hour%',
		'%minute%',
		'%second%',
		'%post_id%',
		'%category%',
		'%product_cat%',
	);

	$replace = array(
		date_i18n( 'Y', strtotime( $post->post_date ) ),
		date_i18n( 'm', strtotime( $post->post_date ) ),
		date_i18n( 'd', strtotime( $post->post_date ) ),
		date_i18n( 'H', strtotime( $post->post_date ) ),
		date_i18n( 'i', strtotime( $post->post_date ) ),
		date_i18n( 's', strtotime( $post->post_date ) ),
		$post->ID,
		$product_cat,
		$product_cat,
	);

	$permalink = str_replace( $find, $replace, $permalink );

	return $permalink;
}