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функция не описана

WC_Cart::check_cart_item_stock() public WC 1.0

Looks through the cart to check each item is in stock. If not, add an error.

Это метод класса: WC_Cart{}

Хуков нет.

Возвращает

true/false/WP_Error.

Использование

$WC_Cart = new WC_Cart();
$WC_Cart->check_cart_item_stock();

Код WC_Cart::check_cart_item_stock() WC 4.5.2

woocommerce/includes/class-wc-cart.php
<?php
public function check_cart_item_stock() {
	$error                    = new WP_Error();
	$product_qty_in_cart      = $this->get_cart_item_quantities();
	$current_session_order_id = isset( WC()->session->order_awaiting_payment ) ? absint( WC()->session->order_awaiting_payment ) : 0;

	foreach ( $this->get_cart() as $cart_item_key => $values ) {
		$product = $values['data'];

		// Check stock based on stock-status.
		if ( ! $product->is_in_stock() ) {
			/* translators: %s: product name */
			$error->add( 'out-of-stock', sprintf( __( 'Sorry, "%s" is not in stock. Please edit your cart and try again. We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name() ) );
			return $error;
		}

		// We only need to check products managing stock, with a limited stock qty.
		if ( ! $product->managing_stock() || $product->backorders_allowed() ) {
			continue;
		}

		// Check stock based on all items in the cart and consider any held stock within pending orders.
		$held_stock     = wc_get_held_stock_quantity( $product, $current_session_order_id );
		$required_stock = $product_qty_in_cart[ $product->get_stock_managed_by_id() ];

		if ( $product->get_stock_quantity() < ( $held_stock + $required_stock ) ) {
			/* translators: 1: product name 2: quantity in stock */
			$error->add( 'out-of-stock', sprintf( __( 'Sorry, we do not have enough "%1$s" in stock to fulfill your order (%2$s available). We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name(), wc_format_stock_quantity_for_display( $product->get_stock_quantity() - $held_stock, $product ) ) );
			return $error;
		}
	}

	return true;
}