Code-Snippets-Functions/Execute a function on a child site/WooCommerce/change-text-checkout-submit-on-payment-method.txt

// Update checkout on payment method change (jQuery)
add_action( 'woocommerce_checkout_init', 'trigger_update_checkout_on_payment_method_change' );
function trigger_update_checkout_on_payment_method_change(){
    wc_enqueue_js("$('form.checkout').on( 'change', 'input[name=payment_method]', function(){
        $(document.body).trigger('update_checkout');
    });");
}

// Change the displayed text on the checkout submit button based on payment methods
add_filter( 'woocommerce_order_button_html', 'custom_place_order_button_html', 900 );
function custom_place_order_button_html( $button_html ) {
    $original_text  = __( 'Place order', 'woocommerce' ); // Default button text
    $custom_text    = __( 'Request a Quote', 'woocommerce' ); // For "COD" payment method

    if( WC()->session->get('chosen_payment_method') === 'cod' && ! is_wc_endpoint_url() ) {
        $button_html = str_replace( $original_text, $custom_text, $button_html );
    }
    return $button_html;
}