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function is not described

WC_Product::backorders_require_notification() public WC 1.0

Returns whether or not the product needs to notify the customer on backorder.

{} It's a method of the class: WC_Product{}

Return

true|false.

Usage

$WC_Product = new WC_Product();
$WC_Product->backorders_require_notification();

Code of WC_Product::backorders_require_notification() WC 5.5.2

<?php
public function backorders_require_notification() {
	return apply_filters( 'woocommerce_product_backorders_require_notification', ( $this->managing_stock() && 'notify' === $this->get_backorders() ), $this );
}