What is difference between Yii2 basic and advanced?

So, the difference between basic and advanced is only this: Basic -> one application. Advanced -> two applications with shared code.

What is ORM in Yii2?

The ActiveRecord class in Yii provides an object oriented interface (aka ORM) for accessing database stored data. Similar structures can be found in most modern frameworks like Laravel, CodeIgniter, Smyfony and Ruby.

What is active query in Yii2?

An ActiveQuery can be a normal query or be used in a relational context. ActiveQuery instances are usually created by yii\db\ActiveRecord::find() and yii\db\ActiveRecord::findBySql(). Relational queries are created by yii\db\ActiveRecord::hasOne() and yii\db\ActiveRecord::hasMany().

What are models in Yii2?

Models are part of the MVC architecture. They are objects representing business data, rules and logic. You can create model classes by extending yii\base\Model or its child classes.

How do I run yii2 advanced project on localhost?

Manual for Linux/Unix users

  1. Install VirtualBox.
  2. Install Vagrant.
  3. Create GitHub personal API token.
  4. Place your GitHub personal API token to vagrant-local.yml.
  5. Change directory to project root: cd yii2-app-advanced.
  6. Run command: vagrant up.
  7. SSH into vagrant box via vagrant ssh and execute php init .

How do I run yii2 app?

Getting started

  1. Execute the init command and select dev as environment. php /path/to/yii-application/init.
  2. Create a new database and adjust the components[‘db’] configuration in common/config/main-local. php accordingly.
  3. Apply migrations with console command yii migrate .
  4. Set document roots of your web server:

Is null in Yii2 query?

Yii2 will use “IS NULL” if the $values === null , but in case the value is supplied as an array, and one of those array elements is null, it will not get any special treatment, resulting in the query never matching any records with NULL value.

What is Active Record in Ruby?

Active Record is the M in MVC – the model – which is the layer of the system responsible for representing business data and logic. Active Record facilitates the creation and use of business objects whose data requires persistent storage to a database.

What is scenario in Yii2?

A model uses the yii\base\Model::$scenario property for the ‘Scenario’ concept. By default, a model supports only a single scenario named default. Yii2. 0 framework model is designed in very comfortable way for dynamic logic based on scenario.

How do I run Yii2 app?

How do I install Yii2 on Windows?

You can install Yii in two ways, using the Composer package manager or by downloading an archive file.

Installing from an Archive File

  1. Download the archive file from yiiframework.com.
  2. Unpack the downloaded file to a Web-accessible folder.

How do I run Yii2 advanced project on localhost?

What are Yii2 components?

The three main features that components provide to other classes are: Properties. Events. Behaviors.

What is callback in Ruby?

Callbacks are methods that get called at certain moments of an object’s life cycle. With callbacks it is possible to write code that will run whenever an Active Record object is created, saved, updated, deleted, validated, or loaded from the database.

What is inactive record?

Inactive records are documents (both hardcopy and electronic) which are no longer referenced on a regular basis and tend to be stored in a less accessible place since they are not used frequently. Many times records become inactive when they reach their cut-off as defined on a Records Retention Schedule.

What is hook in Ruby?

Ruby Hook Methods are called in reaction to something you do. They are usually used to extend the working of methods at run time. These methods are not defined by default, but a programmer can define them according to imply them on any object or class or module and they will come into picture when certain events occur.

What are the different types of records?

Types of Records

  • I. Administrative Records. Records which pertain to the origin, development, activities, and accomplishments of the agency.
  • II. Legal Records.
  • III. Fiscal Records.
  • IV. Historical Records.
  • V. Research Records.
  • VI. Electronic Records.

Where are active records stored?

office space

Active records are documents still referred to frequently during the course of business. Active records are referenced at least once a month, and are usually maintained in a readily-accessible spot in the office space or office systems.

What is hook method?

The Hook Model is a four-phase process that businesses can use to create products or services used habitually by customers. The goal is to result in voluntary, high-frequency engagement. At its core, the Hook Model is about creating a customer habit.

What are the 4 categories of records?

Types of records

  • Correspondence records. Correspondence records may be created inside the office or may be received from outside the office.
  • Accounting records. The records relating to financial transactions are known as financial records.
  • Legal records.
  • Personnel records.
  • Progress records.
  • Miscellaneous records.

What are the 3 sizes of records?

Vinyl records also come in three standard diameters: 7-inch, 10-inch and 12-inch. The larger the diameter, the longer the groove can be and the greater the possible playing times, dependent upon rotational speed. (The actual playing time is a ratio between speed and the length of the grooves.)

What is the difference between active and inactive record?

Active records are referenced at least once a month, and are usually maintained in a readily-accessible spot in the office space or office systems. Inactive records are no longer used on a regular basis during the course of business.

Why is useEffect used?

The motivation behind the introduction of useEffect Hook is to eliminate the side-effects of using class-based components. For example, tasks like updating the DOM, fetching data from API end-points, setting up subscriptions or timers, etc can be lead to unwarranted side-effects.

What are 4 stages of hooked model?

The Hooked Model is a way of describing a user’s interactions with a product as they pass through four phases: a trigger to begin using the product, an action to satisfy the trigger, a variable reward for the action, and some type of investment that, ultimately, makes the product more valuable to the user.

What are two types of records?

Records can be divided into two categories: 1) Official, and 2) Transitory/Convenience. “Official records” are: records having the legally recognized and judicially enforceable quality of establishing some fact, policy, or institutional position or decision.