WordPress at a glance
function is not described

woocommerce_breadcrumb() WC 1.0

Output the WooCommerce Breadcrumb.

Return

null. Nothing.

Usage

woocommerce_breadcrumb( $args );
$args(array)
Arguments.

Code of woocommerce_breadcrumb() WC 5.3.0

<?php
function woocommerce_breadcrumb( $args = array() ) {
	$args = wp_parse_args(
		$args,
		apply_filters(
			'woocommerce_breadcrumb_defaults',
			array(
				'delimiter'   => '&nbsp;&#47;&nbsp;',
				'wrap_before' => '<nav class="woocommerce-breadcrumb">',
				'wrap_after'  => '</nav>',
				'before'      => '',
				'after'       => '',
				'home'        => _x( 'Home', 'breadcrumb', 'woocommerce' ),
			)
		)
	);

	$breadcrumbs = new WC_Breadcrumb();

	if ( ! empty( $args['home'] ) ) {
		$breadcrumbs->add_crumb( $args['home'], apply_filters( 'woocommerce_breadcrumb_home_url', home_url() ) );
	}

	$args['breadcrumb'] = $breadcrumbs->generate();

	/**
	 * WooCommerce Breadcrumb hook
	 *
	 * @hooked WC_Structured_Data::generate_breadcrumblist_data() - 10
	 */
	do_action( 'woocommerce_breadcrumb', $breadcrumbs, $args );

	wc_get_template( 'global/breadcrumb.php', $args );
}