WC_Gateway_Paypal_Request::line_items_valid() │ protected │ WC 1.0

Check if the order has valid line items to use for PayPal request.

The line items are invalid in case of mismatch in totals or if any amount < 0.

Method of the class: WC_Gateway_Paypal_Request{}

No Hooks.

Return

true|false.

Usage

// protected - for code of main (parent) or child class
$result = $this->line_items_valid( $order );

$order(WC_Order) (required)

Order to be examined.

WC_Gateway_Paypal_Request::line_items_valid() WC Gateway Paypal Request::line items valid code ^{WC 8.7.0}

protected function line_items_valid( $order ) {
	$negative_item_amount = false;
	$calculated_total     = 0;

	// Products.
	foreach ( $order->get_items( array( 'line_item', 'fee' ) ) as $item ) {
		if ( 'fee' === $item['type'] ) {
			$item_line_total   = $this->number_format( $item['line_total'], $order );
			$calculated_total += $item_line_total;
		} else {
			$item_line_total   = $this->number_format( $order->get_item_subtotal( $item, false ), $order );
			$calculated_total += $item_line_total * $item->get_quantity();
		}

		if ( $item_line_total < 0 ) {
			$negative_item_amount = true;
		}
	}
	$mismatched_totals = $this->number_format( $calculated_total + $order->get_total_tax() + $this->round( $order->get_shipping_total(), $order ) - $this->round( $order->get_total_discount(), $order ), $order ) !== $this->number_format( $order->get_total(), $order );
	return ! $negative_item_amount && ! $mismatched_totals;
}