/**
* Returns the global PhocacartRenderMedia object, only creating it if it doesn't already exist.
* @param string $name The name of the media
* @return PhocacartRenderMedia The PhocacartRenderMedia object
* @since 3.5
*/
public static function getInstance($name = 'main')
{
if (empty(self::$instances[$name])) {
self::$instances[$name] = new PhocacartRenderMedia($name);
}
return self::$instances[$name];
}