woocommerce_single_product_zoom_options │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_single_product_zoom_options', 'wp_kama_woocommerce_single_product_zoom_options_filter' );

/**
 * Function for `woocommerce_single_product_zoom_options` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_woocommerce_single_product_zoom_options_filter( $array ){

	// filter...
	return $array;
}

$array

-

Where the hook is called

'zoom_options'                      => apply_filters( 'woocommerce_single_product_zoom_options', array() ),

Where the hook is used in WooCommerce