Image Upload by overriding model’s parent save method
Upload an image and save its path to the database by overriding the model’s parent save method.
Best Practices
Refer to the controller within view in yii2
We can get the controller object by the expression $this->context. And as a result, it is possible to access any properties or methods of the controller in the view, such as the controller ID shown in the following:
Convert the model to an array in yii2
The simplest way of converting a model into an array is to use the yii\base\Model::$attributes property. For example, By default, the yii\base\Model::$attributes property will return the values of all attributes declared in yii\base\Model::attributes(). A more flexible and powerful way of converting a model into an array is to use the yii\base\Model::toArray() method. Its default behavior is the same as that of yii\base\Model::$attributes. However, it allows …
Show Error Summary for Server-side input validations in Yii2
We can use Html::errorSummary() to handle and display the form validation errors.
Avoiding Form Resubmission Problems
The solution to avoid the Form resubmission problem is to follow a POST-REDIRECT-GET (PRG) pattern.