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function is not described

WC_REST_Orders_V1_Controller::item_is_null() protected WC 1.0

Helper method to check if the resource ID associated with the provided item is null. Items can be deleted by setting the resource ID to null.

{} It's a method of the class: WC_REST_Orders_V1_Controller{}

No Hooks.


true|false. True if the item resource ID is null, false otherwise.


// protected - for code of main (parent) or child class
$result = $this->item_is_null( $item );
$item(array) (required)
Item provided in the request body.

Code of WC_REST_Orders_V1_Controller::item_is_null() WC 6.1.1

protected function item_is_null( $item ) {
	$keys = array( 'product_id', 'method_id', 'method_title', 'name', 'code' );

	foreach ( $keys as $key ) {
		if ( array_key_exists( $key, $item ) && is_null( $item[ $key ] ) ) {
			return true;

	return false;