//_form.php
            <?php
            $this->widget('CMultiFileUpload',array(
                'model'=>$model,
                'attribute'=>'files',
                'accept'=>'jpg|gif|png',
            ));
            ?>
//Model.php

class Post extends CActiveRecord
{
    const STATUS_UNPUBLISHED=0;
    const STATUS_PUBLISHED=1;
    const STATUS_STICKY=2;

   public $files;

}

//Controller.php


//action

$model->files=CUploadedFile::getInstances($model,'files');
foreach($models->files as /** @var CUploadedFile $file */$file) {...}