/**
* Get a reference to the singleton.
*
* @return object The singleton instance.
*/
public static function instance()
{
if (!isset(self::$instance)) {
self::$instance = new Pantheon_Cache();
self::$instance->setup();
}
return self::$instance;
}
/**
* Purge the cache for one or more URL paths
*
* [<path>...]
* : Specify one or more URL paths to purge cache for.
*
* [--all]
* : Purge cache for all URL paths.
*/
public function clear($args, $assoc_args)
{
$instance = Pantheon_Cache::instance();
$instance->paths = array();
if (!function_exists('pantheon_clear_edge')) {
WP_CLI::warning("pantheon_clear_edge() function doesn't exist in this environment so cache won't be purged.");
}
if (true === WP_CLI\Utils\get_flag_value($assoc_args, 'all')) {
$instance->paths[] = '/.*';
$instance->cache_clean_urls();
WP_CLI::success("Cache purged for all URL paths.");
} else {
$instance->enqueue_urls($args);
if (empty($instance->paths)) {
WP_CLI::error('Please provide one or more URL paths to purge, or use the --all flag.');
}
$path_count = count($instance->paths);
$instance->cache_clean_urls();
WP_CLI::success("Cache purged for {$path_count} URL paths.");
}
}