AnsPress_Category::categories_page()

	public static function categories_page() {
		global $question_categories, $ap_max_num_pages, $ap_per_page;

		$paged 							= max( 1, get_query_var( 'paged' ) );
		$per_page           = ap_opt( 'categories_per_page' );
		$total_terms        = wp_count_terms( 'question_category', [ 'hide_empty' => false, 'parent' => 0 ] );
		$offset             = $per_page * ( $paged - 1) ;
		$ap_max_num_pages   = ceil( $total_terms / $per_page );

		$order = ap_opt( 'categories_page_order' ) == 'ASC' ? 'ASC' : 'DESC';

		$cat_args = array(
			'parent'        => 0,
			'number'        => $per_page,
			'offset'        => $offset,
			'hide_empty'    => false,
			'orderby'       => ap_opt( 'categories_page_orderby' ),
			'order'         => $order,
		);

		/**
		 * Filter applied before getting categories.
		 *
		 * @param array $cat_args `get_terms` arguments.
		 * @since 1.0
		 */
		$cat_args = apply_filters( 'ap_categories_shortcode_args', $cat_args );

		$question_categories = get_terms( 'question_category' , $cat_args );
		include ap_get_theme_location( 'addons/category/categories.php' );
	}