Replace free with zero shipping rates on single product pages in WooCommerce

Replace free with zero shipping rates on single product pages in WooCommerce on child sites.

Snippet Type

Execute on Child Sites

Snippet

function action_woocommerce_after_add_to_cart_form() {
    // get all zones
    $zones = WC_Shipping_Zones::get_zones();

    // get the shop base country
    $base_country = WC()->countries->get_base_country();
    $base_city = WC()->countries->get_base_city();

    // start display of table
    echo '<div>' . __( 'Available Shipping', 'woocommerce' );
    echo '<br><small><span class="shipping-time-cutoff">All orders are shipped from the '.$base_country.'. Order before 12AM Mon-Fri for same day delivery within '.$base_city.'. Order before 3PM Mon-Thu for next day delivery.</span></small>';
    echo '<small><table class="shipping-and-delivery-table">';

    // get name of each zone and each shipping method for each zone
    foreach ( $zones as $zone_id => $zone ) {
        
        echo '<tr><td>';
       
        echo '<strong>' . $zone['zone_name'] . '</strong>' . '</td><td>';

        $zone_shipping_methods = $zone['shipping_methods'];
    
        foreach ( $zone_shipping_methods as $index => $method ) {
            $instance = $method->instance_settings;
            
            // Initialize
            $above = '';
            $output_cost = __( 'Free', 'woocommerce' );

            // Cost isset
            if ( isset( $instance['cost'] ) ) {
                // NOT empty
                if ( ! empty ( $instance['cost'] ) ) {
                    // Output
                    $output_cost = wc_price( $instance['cost'] );   
                }
            }
            
            // Min amount isset
            if ( isset( $instance['min_amount'] ) ) {
                // NOT empty
                if ( ! empty ( $instance['min_amount'] ) ) {
                    // Above
                    $above = __( 'above ', 'woocommerce' );
                    
                    // Output
                    $output_cost = wc_price( $instance['min_amount'] );
                }
            }
            
            echo $instance['title'] . ': ' . $above . '<strong>' . $output_cost . '</strong>' . '<br>';        
        }

        echo '</td></tr>';
    }
        
    echo '</table></small></div>';
}
add_action( 'woocommerce_after_add_to_cart_form', 'action_woocommerce_after_add_to_cart_form', 10, 0 );