woocommerce_taxonomy_objects_product_cat │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_taxonomy_objects_product_cat', 'wp_kama_woocommerce_taxonomy_objects_product_cat_filter' );

/**
 * Function for `woocommerce_taxonomy_objects_product_cat` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_woocommerce_taxonomy_objects_product_cat_filter( $array ){

	// filter...
	return $array;
}

$array

-

Where the hook is called

apply_filters( 'woocommerce_taxonomy_objects_product_cat', array( 'product' ) ),

Where the hook is used in WooCommerce