Прекращение поддержки микроразметки data-vocabulary.org

<?php $listed = array(); ?>
<?php $position="2";?>
<ul itemscope itemtype="https://schema.org/BreadcrumbList">
 
    <li class="home" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
        <a class="dt-i-home" itemprop="item" itemid="<?php echo $options['home_url']; ?>" href="<?php echo $options['home_url']; ?>" title="<?php echo LANG_HOME; ?>"><meta itemprop="name" content="Home" /></a>
		<meta itemprop="position" content="1" />
    </li>
 
    <?php if ($breadcrumbs) { ?>
 
        <li class="sep dt-i-angle-right"></li>
 
        <?php foreach($breadcrumbs as $id=>$item){ ?>
 
            <?php if (in_array($item['href'], $listed)){ continue; } ?>
 
            <li <? echo $id;?> itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
                <?php if (!isset($item['is_last'])){ ?>
                    <a href="<?php html($item['href']); ?>" itemprop="item"><span itemprop="name"><?php html($item['title']); ?></span></a>
                <?php } else { ?>
                    <span itemscope itemtype="https://schema.org/Thing" itemprop="item" itemid="<?php html($item['href']); ?>"><span itemprop="name"><?php html($item['title']); ?></span></span>
                <?php } ?>
				<meta itemprop="position" content="<?php echo $position++;?>" />
            </li>
 
            <?php if ($id < sizeof($breadcrumbs)-1){ ?>
                <li class="sep dt-i-angle-right"></li>
            <?php } ?>
 
            <?php $listed[] = $item['href']; ?>
 
        <?php } ?>
 
    <?php } ?>
</ul>