clear-rocket.php

<?php
if ( ! wp_next_scheduled( 'rocket_clear_cache_task' ) ) {
  wp_schedule_event( time(), 'twicedaily', 'rocket_clear_cache_task' );
}

add_action( 'rocket_clear_cache_task', 'rocket_clear_cache_image' );

function rocket_clear_cache_image() {
  rocket_clean_files('http://www.spa-villa.de/hotel/wellness-suiten/'):
}