Yii اسئلة واجوبة المقابلات
سؤال 26. Explain Yii's DAO (Data Access Objects).
Yii's DAO provides a low-level database access layer for executing SQL queries and accessing database data without using ActiveRecord.
Example:
// $command = Yii::app()->db->createCommand($sql); $result = $command->queryAll();
سؤال 27. What is Yii's CActiveRecord find() method used for?
The find() method in CActiveRecord is used to retrieve a single record based on the specified conditions.
Example:
// $post = Post::model()->find('status=:status', array(':status'=>1));
سؤال 28. Explain Yii's dynamic form validation.
Dynamic form validation in Yii allows you to define validation rules in the model based on specific conditions, providing flexibility in validation logic.
Example:
// public function rules() { if ($this->scenario == 'scenario1') { return array('field1', 'required'); } }
سؤال 29. How to handle user sessions in Yii?
Yii handles user sessions by using the 'session' component. You can configure session parameters in the application configuration.
Example:
// 'components' => array('session' => array('timeout' => 1440))
سؤال 30. Explain Yii's migration command options.
Yii's migration command provides options like 'up', 'down', 'create', and 'history', allowing you to perform actions such as migrating up or down, creating a new migration, and viewing migration history.
Example:
// $ yii migrate/up
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