get-breadcrumbs-items.php

<?php
if ( ! function_exists( 'inspiry_get_breadcrumbs_items' ) ) :
	/**
	 * Returns a array of breadcrumbs items
	 *
	 * @param $post_id              int Post id
	 * @param $breadcrumbs_taxonomy string Taxonomy name
	 * @param $skip_home            bool    skip home entry or not
	 * @return mixed|void
	 */
	function inspiry_get_breadcrumbs_items( $post_id, $breadcrumbs_taxonomy, $skip_home = false ) {

		// Add home at the beginning of the breadcrumbs
		$inspiry_breadcrumbs_items = array();

		if ( ! $skip_home ) {
			$inspiry_breadcrumbs_items[] = array(
				'name' => __( 'Home', 'framework' ),
				'url' => esc_url( home_url( '/' ) ),
			);
		}

		// Get all assigned terms
		$the_terms = get_the_terms( $post_id, $breadcrumbs_taxonomy );

		if ( $the_terms && ! is_wp_error( $the_terms ) ) :

			$deepest_term = $the_terms[ 0 ];
			$deepest_depth = 0;

			// Find the deepest term
			foreach ( $the_terms as $term ) {
				$current_term_depth = inspiry_get_term_depth( $term->term_id, $breadcrumbs_taxonomy );
				if ( $current_term_depth > $deepest_depth ) {
					$deepest_depth = $current_term_depth;
					$deepest_term = $term;
				}
			}

			// work on deepest term
			if ( $deepest_term ) {

				// Get ancestors if any and add them to breadcrumbs items
				$deepest_term_ancestors = get_ancestors( $deepest_term->term_id, $breadcrumbs_taxonomy );
				if ( $deepest_term_ancestors && ( 0 < count( $deepest_term_ancestors ) ) ) {
					$deepest_term_ancestors = array_reverse( $deepest_term_ancestors ); // reversing the array is important
					foreach ( $deepest_term_ancestors as $term_ancestor_id ) {
						$ancestor_term = get_term_by( 'id', $term_ancestor_id, $breadcrumbs_taxonomy );
						$inspiry_breadcrumbs_items[] = array(
							'name' => $ancestor_term->name,
							'url' => get_term_link( $ancestor_term, $breadcrumbs_taxonomy ),
						);
					}
				}

				// add deepest term
				$inspiry_breadcrumbs_items[] = array(
					'name' => $deepest_term->name,
					'url' => get_term_link( $deepest_term, $breadcrumbs_taxonomy ),
					'class' => '',
				);

			}

		endif;

		return apply_filters( 'inspiry_breadcrumbs_items', $inspiry_breadcrumbs_items );

	}

endif;