/**
* static method that returns a single instance of this class.
*
* @static
* @param path If the object is being created for the first time, this will be passed to the constructor
* of the class as the first parameter. If a class instance already exists, this path will be added to the
* list of already existing paths to scan.
* @return a ResourceClassLoader object
*/
function &getLoader($path = null)
{
static $instance;
if ($instance == null) {
// create an instance if it does not exist yet...
$instance = new ResourceClassLoader();
}
// if a path is given and the object already exists, then
// we can also automatically add it to the list of searched folders...
if ($path != null) {
$instance->addSearchFolder($path);
}
return $instance;
}
