Function for querying taxonomy terms

taxonomy-terms-query.php

<?php

function taxonomy_terms_query() {
	
	// Parameters available here: https://developer.wordpress.org/reference/classes/wp_term_query/__construct/#parameters
	$args = array(
		'taxonomy' => 'product_cat',
		'child_of' => 5, // Get child terms of category with ID 5
		'parent' => 5, // Get direct-child terms of category with ID 5
	);

	$categories = get_categories($args);

	foreach ($categories as $category) {
		$categoryID = $category->term_id;
		$categoryName = $category->name;
		$categorySlug = $category->slug;
		$categoryTaxonomy = $category->taxonomy;
		$categoryDescription = wpautop( $category->description );
		$categoryParent = $category->parent;
		$categoryParents = get_ancestors($categoryID, $categoryTaxonomy);
		$categoryCount = $category->count;
		$thumbnail_id = get_term_meta( $categoryID, 'thumbnail_id', true);
		$categoryImage = wp_get_attachment_image($thumbnail_id, $size = 'full');
		$categoryLink = get_category_link( $categoryID );
	}
}	

?>