woocommerce_backordered_item_meta_name │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_backordered_item_meta_name', 'wp_kama_woocommerce_backordered_item_meta_name_filter', 10, 2 );

/**
 * Function for `woocommerce_backordered_item_meta_name` filter-hook.
 * 
 * @param  $__   
 * @param  $that 
 *
 * @return 
 */
function wp_kama_woocommerce_backordered_item_meta_name_filter( $__, $that ){

	// filter...
	return $__;
}

$__

-

$that

-

Where the hook is called

$this->add_meta_data( apply_filters( 'woocommerce_backordered_item_meta_name', __( 'Backordered', 'woocommerce' ), $this ), $this->get_quantity() - max( 0, $product->get_stock_quantity() ), true );

$item->add_meta_data( apply_filters( 'woocommerce_backordered_item_meta_name', __( 'Backordered', 'woocommerce' ), $item ), $args['qty'] - max( 0, $product->get_stock_quantity() ), true );

Where the hook is used in WooCommerce