Wordpress - Código php para carousel bootstrap con custom post type
<div id="carousel-principal" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<?php
$arg = array(
'post_type' => 'slider_custom',
'posts_per_page' => -1,
);
$loop = new WP_Query($arg);
$i = 1;
while ($loop->have_posts()) : $loop->the_post();
?>
<div class="item<?php if ($i == 1) echo ' active'; ?>">
<div class="fill" style="background-image:url(<?php echo get_the_post_thumbnail_url(); ?>)"></div>
<div class="carousel-caption">
<h2> <?php the_title(); ?> </h2>
</div>
</div>
<?php
$i++;
?>
<?php
endwhile;
wp_reset_query();
?>
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carousel-principal" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="yukuna-left"></span>
<span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#carousel-principal" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="yukuna-right"></span>
<span class="sr-only">Next</span>
</a>
</div> <!-- END carousel-principal -->