שינוי כמות מוצרים בצ'קאאוט

/**
 * @snippet       Item Quantity Inputs @ WooCommerce Checkout
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 7
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */

// ----------------------------
// Add Quantity Input Beside Product Name
  
add_filter( 'woocommerce_checkout_cart_item_quantity', 'bbloomer_checkout_item_quantity_input', 9999, 3 );
 
function bbloomer_checkout_item_quantity_input( $product_quantity, $cart_item, $cart_item_key ) {
	$product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );
	$product_id = apply_filters( 'woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key );
	if ( ! $product->is_sold_individually() ) {
		$product_quantity = woocommerce_quantity_input( array(
			'input_name'  => 'shipping_method_qty_' . $product_id,
			'input_value' => $cart_item['quantity'],
			'max_value'   => $product->get_max_purchase_quantity(),
			'min_value'   => '0',
		), $product, false );
		$product_quantity .= '<input type="hidden" name="product_key_' . $product_id . '" value="' . $cart_item_key . '">';
	}
	return $product_quantity;
}

// ----------------------------
// Detect Quantity Change and Recalculate Totals

add_action( 'woocommerce_checkout_update_order_review', 'bbloomer_update_item_quantity_checkout' );

function bbloomer_update_item_quantity_checkout( $post_data ) {
	parse_str( $post_data, $post_data_array );
	$updated_qty = false;
	foreach ( $post_data_array as $key => $value ) {	
		if ( substr( $key, 0, 20 ) === 'shipping_method_qty_' ) {			
			$id = substr( $key, 20 );   
			WC()->cart->set_quantity( $post_data_array['product_key_' . $id], $post_data_array[$key], false );
			$updated_qty = true;
		}		
	}	
	if ( $updated_qty ) WC()->cart->calculate_totals();
}