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The difference between dao and ar in yii2

The difference between dao and ar in yii2: AR is not intended to solve all database-related tasks. Its best applications are modeling data tables into PHP structures and executing queries that do not contain complex SQL statements. For complex query scenarios, Yii DAO should be used.

Nov 05, 2019 pm 01:20 PM

yii2

Reasons why yii2 cookie cannot be retrieved

When using the method in yii2 to obtain a cookie, the string in the cookieValidationKey will be read to decrypt it (it will also be used to encrypt the cookie when storing it). Since js does not encrypt the cookie, it cannot be decrypted here, and naturally the cookie cannot be obtained.

Nov 05, 2019 am 11:55 AM

yii2

How to use yii2 aftersave

After saving, yii2 will call the aftersave method. Aftersave only does one thing, which is to trigger the corresponding event event, EVENT_AFTER_INSERT or EVENT_AFTER_UPDATE. You can look at the events of Yii2

Nov 05, 2019 am 11:48 AM

yii2

How to use jquery in yii

Yii uses jquery method: Yii::app()->clientScript->registerCoreScript('jquery'); . Through this registration statement, if the system automatically loads it, it will not be registered. If not, jquery will be loaded through this statement.

Nov 05, 2019 am 11:34 AM

yii

How to set layouts in yii

When we use render() in the controller, Yii will load the layout by default. Modify the $layout variable in Controller.php under protected/componets to specify a custom layout file.

Nov 05, 2019 am 11:25 AM

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What are the advantages of yii framework

Advantages of the yii framework: Yii's code is simple and elegant. Yii is a full-stack framework that provides a large number of time-tested and out-of-the-box features. Yii is very easy to extend. Yii implements the MVC (Model-View-Controller) design pattern and Organize your code based on this pattern.

Nov 05, 2019 am 11:07 AM

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What are the advantages of the yii framework?

The advantages of the yii framework are that Yii is easy to learn and use, the development speed with Yii is very fast, Yii is highly reusable and scalable, Yii has rich functions, and Yii is carefully designed from the beginning to adapt to complex WEB For application development, Yii has complete documentation and Yii is free.

Nov 05, 2019 am 10:47 AM

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What are the disadvantages of yii framework

The shortcomings of the Yii framework include less guidance and consideration of the Model layer, fewer document examples, proficiency in PHP technology, proficiency in OOP programming, and View is not an ideal view.

Nov 05, 2019 am 10:41 AM

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Is yii framework gii used a lot?

As a major development tool, Gii is still used a lot. Gii of the Yii framework is a rapid creator. Of course, it is of little significance for learning, but for those who already understand its principles and use it to develop, it is a good tool for rapid development.

Nov 05, 2019 am 10:34 AM

yii

Does yii2 support php7?

yii2 supports php7. The minimum available version of Yii2 for PHP7.2 is 2.0.13. The project uses Composer to manage bower and npm front-end resources.

Nov 05, 2019 am 10:14 AM

yii2

How to use uploadify in yii2

Download Uploadify, configure composer.json (it exists in the website root directory), find require, and then add our uploadify; use composer to download yii2-uploadify-widget to our website and open it in the website root directory.

Nov 05, 2019 am 10:04 AM

yii2

How to develop modules in yii2

The yii2 model can be created with the gii tool, which is convenient and fast; yii2 can create a modules folder in the root directory of the project to store each module. Of course, you can also create additional modules in each module, and then you can develop on the module.

Nov 05, 2019 am 09:51 AM

yii2

How to process http requests in yii2

yii2 uses VerbFilter for HTTP request processing. VerbFilter is a filter for HTTP request methods. Its function is to define the HTTP requests allowed to access specified actions. If an HTTP request that is not allowed comes, an HTTP 405 error will be thrown.

Nov 05, 2019 am 09:42 AM

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