get post by category
<section class="films-tabs pd-40" id="portfolio">
<?php $film_genres = get_terms('portfolio_cat'); // get all the genres ?>
<div class="container">
<div class="row">
<!-- Nav tabs -->
<ul class="nav nav-tabs nav-justified">
<?php foreach($film_genres as $film_genre) { ?>
<li>
<a href="#<?php echo $film_genre->slug ?>" data-toggle="tab"><?php echo $film_genre->name ?></a>
</li>
<?php } ?>
</ul>
</div>
</div>
<!-- Tab panes -->
<div class="tab-content">
<?php foreach($film_genres as $film_genre) { ?>
<div class="tab-pane" id="<?php echo $film_genre->slug ?>">
<?php
$args = array(
'post_type' => 'portfolio',
'showposts' => -1,
'orderby' => 'title',
'order' => 'ASC',
'tax_query' => array(
array(
'taxonomy' => 'portfolio_cat',
'field' => 'slug',
'terms' => $film_genre->slug
)
)
);
$films = new WP_Query( $args );
?>
<?php if ( $films->have_posts() ) : // make sure we have films to show before doing anything?>
<div class="table">
<div class="container">
<div class="row">
<?php while ( $films->have_posts() ) : $films->the_post(); ?>
<div class="table-cont"><a data-fancybox="gallery" href="<?php echo get_the_post_thumbnail_url();?>".><?php the_post_thumbnail() ?></a></div>
<?php endwhile; ?>
<?php wp_reset_query() ?>
</div>
</div>
</div>
<?php endif; ?>
</div>
<? } ?>
</div><!-- tab-content -->
</section><!-- film-tabs -->