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$taxonomy = 'products-category';
$term = get_queried_object();
$current_term_id = $term->term_id;

<?php foreach ($parent_terms as $parent_term) : ?>
		$active = ($term->slug == $parent_term->slug) ? 'open' : '';
		$active2 = (term_is_ancestor_of($parent_term->term_id, $current_term_id, $taxonomy)) ? 'open' : '';
<?php endforeach; ?>

<?php
	$taxonomy = 'team-category';
	$terms = $wp_query->get_queried_object();

	if ($terms->parent == 0) {
		$parent_id = $terms->term_id;
	} else {
		$parent_id = $terms->parent;
	}

	$parent_terms = get_terms( array(
		'taxonomy' => $taxonomy,
		'hide_empty' => true,
		'parent' => $parent_id
	) );
?>

<div class="team-category-nav">
	<h2 class="title">
		<?php single_cat_title(); ?>
	</h2>

	<a href="<?php echo get_term_link($terms); ?>">
		<?php _e('All Staff', 'html5blank'); ?>
	</a>

	<?php foreach ($parent_terms as $parent_term) : ?>
		<?php $class = (get_queried_object()->slug == $parent_term->slug) ? 'current' : ''; ?>

		<a class="<?php echo $class; ?>" href="<?php echo get_term_link($parent_term); ?>">
			<?php echo $parent_term->name; ?>
		</a>
	<?php endforeach; ?>

	<?php wp_reset_query(); ?>
</div>

<?php
    $taxonomy = 'projects';
    $term = get_queried_object();
    $term_id = $term->term_id;

    if ($term->parent == 0) {
    	$parent_id = $term->term_id;
    } else {
    	$parent_id = $term->parent;
    }

    $terms_parents = get_terms( array(
        'taxonomy' => $taxonomy,
        'hide_empty' => false,
        'parent' => 0
    ) );
?>

<aside class="sidebar" role="complementary">
    <div class="widget">
        <ul class="menu">
            <li>
                <a href="<?php bloginfo('url'); ?>/projects/">
                    <?php _e('Overview', 'html5blank'); ?>
                </a>
            </li>

            <?php foreach ($terms_parents as $terms_parent) : ?>
                <?php
                    $terms_childs = get_terms( array(
                        'taxonomy' => $taxonomy,
                        'hide_empty' => false,
                        'parent' => $terms_parent->term_id
                    ) );

                    $active = ($parent_id == $terms_parent->term_id) ? 'active' : '';
                ?>

            	<li>
            		<a class="btn-menu icon-after grey arrow-right <?php echo $active; ?>" href="<?php echo esc_attr(get_term_link($terms_parent, $taxonomy)); ?>">
        				<?php echo $terms_parent->name; ?>
            		</a>

                    <?php if($terms_childs) : ?>
                        <ul class="sub-menu <?php echo $active; ?>">
                            <?php foreach ($terms_childs as $terms_child) : ?>
                                <?php $active2 = ($term_id == $terms_child->term_id) ? 'active' : ''; ?>

                                <li>
                            		<a class="<?php echo $active2; echo $class; ?>" href="<?php echo esc_attr(get_term_link($terms_child, $taxonomy)); ?>">
                        				<?php echo $terms_child->name; ?>
                            		</a>
                                </li>
                            <?php endforeach; ?>
                        </ul>
                    <?php endif; ?>
            	</li>
            <?php endforeach; ?>

            <?php wp_reset_query(); ?>
        </ul>
    </div>
</aside>