Conditionally disable Paypal buttons

Hello @markisu72

It took me a bit to test this properly, but I was able to confirm a working approach.

Yes, there is a filter you can use to conditionally disable Smart (express) buttons based on products in the cart. In the example below, the PayPal buttons are removed from both the cart and checkout when a specific product ID is present (173 in this case).

add_filter(  
    'woocommerce_paypal_payments_selected_button_locations',  
    function ( array $locations ): array {  

        // Bail early if the cart is not available yet.  
        if ( ! function_exists( 'WC' ) || ! WC()->cart ) {  
            return $locations;  
        }  

        $restricted_product_id = 173;  
        $product_in_cart       = false;  

        foreach ( WC()->cart->get_cart() as $cart_item ) {  
            if (  
                (int) $cart_item['product_id']  === $restricted_product_id ||  
                (int) $cart_item['variation_id'] === $restricted_product_id  
            ) {  
                $product_in_cart = true;  
                break;  
            }  
        }  

        if ( $product_in_cart ) {  
            // Remove the cart and checkout locations so no smart/express  
            // buttons are rendered when the product is in the basket.  
            $locations_to_disable = [ 'cart', 'checkout', 'checkout-block-express' ];  

            $locations = array_values(  
                array_filter(  
                    $locations,  
                    fn( string $loc ) => ! in_array( $loc, $locations_to_disable, true )  
                )  
            );  
        }  

        return $locations;  
    }  
);

GIF above with test. This will ensure that express buttons are not rendered at all in those contexts when the defined product is present in the cart.

Kind Regards,
Krystian

Hello @markisu72

No worries, happy to help.

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Kind regards,
Krystian