WordPress at a glance
filter is not described

woocommerce_api_product_categories_response filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_api_product_categories_response', 'filter_function_name_7065', 10, 4 );
function filter_function_name_7065( $product_categories, $terms, $fields, $that ){
	// filter...

	return $product_categories;
}
$product_categories
-
$terms
-
$fields
-
$that
-

Where the hook is called

WC_API_Products::get_product_categories()
woocommerce_api_product_categories_response
woocommerce/includes/legacy/api/v2/class-wc-api-products.php 571
return array( 'product_categories' => apply_filters( 'woocommerce_api_product_categories_response', $product_categories, $terms, $fields, $this ) );
woocommerce/includes/legacy/api/v3/class-wc-api-products.php 630
return array( 'product_categories' => apply_filters( 'woocommerce_api_product_categories_response', $product_categories, $terms, $fields, $this ) );

Where in WP core the hook is used WooCommerce

Usage not found.