woocommerce_get_order_item_classname │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_get_order_item_classname', 'wp_kama_woocommerce_get_order_item_classname_filter', 10, 3 );

/**
 * Function for `woocommerce_get_order_item_classname` filter-hook.
 * 
 * @param  $classname 
 * @param  $item_type 
 * @param  $id        
 *
 * @return 
 */
function wp_kama_woocommerce_get_order_item_classname_filter( $classname, $item_type, $id ){

	// filter...
	return $classname;
}

$classname

-

$item_type

-

$id

-

Where the hook is called

$classname = apply_filters( 'woocommerce_get_order_item_classname', $classname, $item_type, $id );

Where the hook is used in WooCommerce