Show Child Terms Shortcode

function enym_child_terms($atts)
{

	// Attributes
	$atts = shortcode_atts(
		array(
			'post_id' => '',
			'taxonomy' => '',
		),
		$atts
	);

	//$terms = wp_get_post_terms( $atts['post_id'], $atts['taxonomy']);
	//return count($terms);

	$current_term_id = get_queried_object_id();
	//Getting all the info of chilldren of the parent, not grandchildren

	$termchildren = array(
		'hierarchical' => 1,
		'show_option_none' => '',
		'hide_empty' => 1,
		'parent' => $current_term_id,
		'taxonomy' => 'product_cat'
	);

	$subcats = get_categories($termchildren);
	// Display the children

	echo '<nav class="vcex-navbar vcex-module no-margin vcex_662a1d35bdcce"><div class="vcex-navbar-inner wpex-clr wpex-last-mr-0">';

	foreach ($subcats as $key => $value) {
		$term_link = get_term_link($value);
		$name = $value->name;

		echo '<a href="' . $term_link . '" class="vcex-navbar-link vcex-navbar-link--821 wpex-block wpex-float-left wpex-mr-5 wpex-mb-5 theme-button flat wpex-text-base"><span class="vcex-navbar-link-text">' . $name . '</span></a>';

		//echo '<a href="'.$term_link.'">'.$name.'</a>';
	}

	echo '</div></nav>';


}

add_shortcode('child_terms', 'enym_child_terms');