/**
* Checks if a plugin is enabled.
*
* @param string $type The plugin type, relates to the subdirectory in the plugins directory.
* @param string $plugin The plugin name.
*
* @return boolean
*
* @since 1.5
*/
public static function isEnabled($type, $plugin = null)
{
$result = static::getPlugin($type, $plugin);
return !empty($result);
}