iaffpro_custom_attribute_tag_tag_taxonomy

Filter the taxonomy name for %tag% custom attribute tag to extend it to tags of other post types. By default %tag% fetches the tag of the WordPress post post type.

The taxonomy name for the WordPress post‘s tag is post_tag and that of WooCommerce product tag is product_tag.

/**
 * Filter $tag_taxonomy_name to extend %tag% custom attribute tag to other post types. 
 * 
 * Refer 3rd-party/woocommerce.php for example code.
 * 
 * @since 3.0
 * 
 * @param $tag_taxonomy_name (string) Name of the taxonomy.
 * @param $post_type (string) will have the post type of the parent post where the image is used. 
 */
$tag_taxonomy_name = apply_filters( 'iaffpro_custom_attribute_tag_tag_taxonomy', $tag_taxonomy_name, $post_type );

Usage In Image Attributes Pro

The following code is from Image Attributes Pro version 3.0 and above where the filter is used to extend %tag% to WooCommerce products.

/**
 * Add WooCommerce Product tag taxonomy to custom attribute tag %tag%.
 * 
 * @since 3.0
 * 
 * @param $tag_taxonomy_name (string) Name of the taxonomy.
 * @param $post_type (string) will have the post type of the parent post where the image is used.
 * 
 * @return $tag_taxonomy_name (string) WooCommerce product tag taxonomy name ('product_tag') if $post_type is 'product'.
 */
function iaffpro_add_wc_product_tag_to_custom_attribute_tag_tag ( $tag_taxonomy_name, $post_type ) {

	// Check if post type is WooCommerce product. 
	if ( strcmp( $post_type, 'product' ) === 0 ) {
		return 'product_tag';
	}

	return $tag_taxonomy_name;
}
add_filter( 'iaffpro_custom_attribute_tag_tag_taxonomy', 'iaffpro_add_wc_product_tag_to_custom_attribute_tag_tag', 10, 2 );

Related: iaffpro_custom_attribute_tag_category_taxonomy