WordPress at a glance
filter is not described

woocommerce_breadcrumb_defaults filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_breadcrumb_defaults', 'filter_function_name_4679' );
function filter_function_name_4679( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

woocommerce_breadcrumb()
woocommerce_breadcrumb_defaults
woocommerce/includes/wc-template-functions.php 2216-2226
apply_filters(
	'woocommerce_breadcrumb_defaults',
	array(
		'delimiter'   => ' / ',
		'wrap_before' => '<nav class="woocommerce-breadcrumb">',
		'wrap_after'  => '</nav>',
		'before'      => '',
		'after'       => '',
		'home'        => _x( 'Home', 'breadcrumb', 'woocommerce' ),
	)
)

Where in WP core the hook is used WooCommerce

Usage not found.