How to setup Magento 2 website Switcher?

I want to setup website features for multiple website magento2 store with website URL. Also want to selected current website Id from website switcher Drop down.

You can do this by using following.. I just do this into my current site

<div class="switcher store switcher-store" id="switcher-store">
<strong class="label switcher-label"><span><?php echo __('Select Store') ?></span></strong>
<div class="actions dropdown options switcher-options">
    <?php foreach ($websites as $website): ?>
    <?php if ($websiteid == $website->getId()): ?>
        <div class="action toggle switcher-trigger"
             role="button"
             tabindex="0"
             data-mage-init='{"dropdown":{}}'
             data-toggle="dropdown"
             data-trigger-keypress-button="true"
             id="switcher-store-trigger">
            <strong>
                <span><?php echo $block->escapeHtml($website->getName()) ?></span>
            </strong>
        </div>
    <?php endif; ?>
    <?php endforeach; ?>
    <ul class="dropdown switcher-dropdown" data-target="dropdown">
        <?php foreach ($websites as $website): ?>
        <?php if (!($websiteid == $website->getId())): ?>
            <li class="switcher-option">
                <a href='<?php echo $website->getDefaultStore()->getCurrentUrl() ?>'>
                    <?php echo $block->escapeHtml($website->getName()) ?>
                </a>
            </li>
        <?php endif; ?>
        <?php endforeach; ?>
    </ul>
</div>