Administrator / test_1

<?php
namespace backend\models;

use yii\base\Model;
use yii\web\UploadedFile;

/**
 * UploadForm is the model behind the upload form.
 */
class ImageSizerForm extends Model
{
    /**
     * @var UploadedFile file attribute
     */
    public $file;
    public $width;
    public $height;
    public $field;
    public $model;
    public $form;

    /**
     * @return array the validation rules.
     */
    public function rules()
    {
        return [
            [['width', 'height'], 'integer'],
            [['field', 'model', 'form'], 'string', 'max' => 255],
            [['file'], 'file'],
        ];
    }
}