The methods to save and obtain data in the yii2 framework session are as follows:
Save data
Yii::$app->session->set('user_exam', ['exam_id' => $exam_id, 'exam_type' => $exam_type]);
Get data
$this->user_exam = Yii::$app->session->get('user_exam');
Related recommendations :yii
The above is the detailed content of How to save and obtain data in yii2 framework. For more information, please follow other related articles on the PHP Chinese website!

Yii is a high-performance PHP framework suitable for rapid development of web applications. Its core concepts include: Component-based design: Yii provides rich components and extensions, supports automatic code generation, and improves development efficiency. MVC architecture: adopts the design concept of "convention is better than configuration" to improve operational efficiency. Cache and database support: Provides powerful caching mechanisms and database operations to optimize application performance.

Yii is still competitive in modern development. 1) High performance: adopts lazy loading and caching mechanisms. 2) Security: Built-in CSRF and SQL injection protection. 3) Extensibility: Component-based design is easy to expand and customize.

The Yii community provides rich support and resources. 1. Visit the official website and GitHub to get the documentation and code. 2. Use official forums and StackOverflow to solve technical problems. 3. Report bugs and make suggestions through GitHubIssues. 4. Use documents and tutorials to learn the Yii framework.

Yii is a high-performance PHP framework designed for fast development and efficient code generation. Its core features include: MVC architecture: Yii adopts MVC architecture to help developers separate application logic and make the code easier to maintain and expand. Componentization and code generation: Through componentization and code generation, Yii reduces the repetitive work of developers and improves development efficiency. Performance Optimization: Yii uses latency loading and caching technologies to ensure efficient operation under high loads and provides powerful ORM capabilities to simplify database operations.

Yii is a high-performance framework based on PHP, suitable for rapid development of web applications. 1) It adopts MVC architecture and component design to simplify the development process. 2) Yii provides rich functions, such as ActiveRecord, RESTfulAPI, etc., which supports high concurrency and expansion. 3) Using Gii tools can quickly generate CRUD code and improve development efficiency. 4) During debugging, you can check configuration files, use debugging tools and view logs. 5) Performance optimization suggestions include using cache, optimizing database queries and maintaining code readability.

YiiremainspopularbutislessfavoredthanLaravel,withabout14kGitHubstars.ItexcelsinperformanceandActiveRecord,buthasasteeperlearningcurveandasmallerecosystem.It'sidealfordevelopersprioritizingefficiencyoveravastecosystem.

Yii is a high-performance PHP framework that is unique in its componentized architecture, powerful ORM and excellent security. 1. The component-based architecture allows developers to flexibly assemble functions. 2. Powerful ORM simplifies data operation. 3. Built-in multiple security functions to ensure application security.

Yii framework adopts an MVC architecture and enhances its flexibility and scalability through components, modules, etc. 1) The MVC mode divides the application logic into model, view and controller. 2) Yii's MVC implementation uses action refinement request processing. 3) Yii supports modular development and improves code organization and management. 4) Use cache and database query optimization to improve performance.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Notepad++7.3.1
Easy-to-use and free code editor

WebStorm Mac version
Useful JavaScript development tools

Dreamweaver Mac version
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)