Contact.php

<?php

namespace backend\modules\user\models;

use Yii;
use yii\behaviors\TimestampBehavior;

/**
 * This is the model class for table "tbl_contact".
 *
 * @property integer $id
 * @property string $name
 * @property string $email
 * @property integer $created_at
 * @property integer $updated_at
 */
class Contact extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return 'tbl_contact';//{{%contact}}
    }

    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        return [
            TimestampBehavior::className(),
        ];
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['name', 'email'], 'required'],
            [['created_at', 'updated_at'], 'integer'],
            [['name', 'email'], 'string', 'max' => 50],
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'name' => 'Name',
            'email' => 'Email',
        ];
    }
}