public function selectImages()
{
$this->render("/Layout/ajax");
//this line render the view, since this is a ajax response it will load the respective ajax view
if ($this->request->is('post')) {
// $dir represents the /img folder where all the images are stored, this means that
// this new folder command is not creating a new folder, just creating a new path
$dir = new folder(WWW_ROOT . 'img/');
//$path = $dir->path;
// ->find('.*', true) => finds all the files inside /img folder
$files = $dir->find('.*', true);
// encode the files in the json format
echo json_encode($files);
exit;
// it doesn't work without the exit;
}
}