Keep in the cart the last added item in WooCommerce

[sebastian-moran]

Keep in the cart the last added item in WooCommerce on your child site.

Snippet Type

Execute on Child Sites

Snippet

add_action( 'woocommerce_before_calculate_totals', 'keep_only_last_cart_item', 30, 1 );
function keep_only_last_cart_item( $cart ) {
    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return;

    if ( did_action( 'woocommerce_before_calculate_totals' ) >= 2 )
        return;

    $cart_items = $cart->get_cart();

    if( count( $cart_items ) > 1 ){
        $cart_item_keys = array_keys( $cart_items );
        $cart->remove_cart_item( reset($cart_item_keys) );
    }
}