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To create a Model in Gii −

<?php
   namespace app\models;
   use app\components\UppercaseBehavior;
   use Yii;
   /**
   * This is the model class for table "user".
   *
   * @property integer $id
   * @property string $name
   * @property string $email
   */
   class MyUser extends \yii\db\ActiveRecord {
      /**
      * @inheritdoc
      */
      public static function tableName() {
         return 'user';
      }
      /**
      * @inheritdoc
      */
      public function rules() {
         return [
            [['name', 'email'], 'string', 'max' => 255]
         ];
      }
      /**
      * @inheritdoc
      */
      public function attributeLabels() {
         return [
            'id' => 'ID',
            'name' => 'Name',
            'email' => 'Email',
         ];
      }
   }
?>

Generating CRUD

Let us generate CRUD for the MyUser model.

Step 1 − Open the CRUD generator interface, fill in the form.

Step 2 − Then, click the “Preview” button and “Generate”. Go to the URL http://localhost:8080/index.php?r=my-user, you will see the list of all users.

Step 3 − Open the URL http://localhost:8080/index.php?r=my-user/create. You should see a user create form.