A brief introduction to Symfony core classes
This article mainly introduces the core classes of Symfony, and briefly analyzes the core classes, organizational structure and corresponding functions of Symfony. Friends in need can refer to it. I hope it will be helpful to everyone.
The details are as follows:
Symfony’s core classes
Symfony’s MVC method uses some classes that you will often encounter in the future
1. sfController is the controller, it decodes the request and delivers it to the action
2. sfRequest stores all request elements (parameters, cookies, header information, etc.)
3. sfResponse contains response header information and content, which are ultimately converted to HTML and sent to the user
4. A context (obtained through sfContext::getInstance()) saves all core objects Reference and existing configuration information can be accessed from any location.
As you can see, all symfony classes use the sf prefix. This avoids conflicts with your own classes or variables and makes core framework classes easier to identify.
Organization of code
You already know the different components of a symfony application, but you may not know how it is organized.
Project structure: applications, modules and actions
In symfony, a project is a set of services and operations under a specified domain name, and they share an object model.
A project is composed of multiple applications. An application is composed of multiple modules. A module can contain multiple actions.
Project structure diagram:
#Symfony’s root tree structure and description
apps/ |
Contains items Application, one application corresponds to a folder |
Batch/ |
contains PHPcode executed or scheduled from the command line |
##Cache/ | Cache folder, requires 777 permission |
Save the basic configuration of the project
|
|
Save the project Data files, such as database structures, SQL files that create data tables, or SQLite database files, etc. |
|
Store project documents, including your own documents and documents generated by PHPDoc |
|
Lib/ |
Data Model |
Log/ |
Log folder, requires 777 permission |
Plugins/ |
Stores the plug-ins installed in the application |
Test/ |
half-heated unit and common testing |
##Web/
|
WEB Root of service |
Solution to the problem when installing under symfony window
php symfony/var-dumper method to install the printing plug-in
Summary introduction to query methods in Symfony
The above is the detailed content of A brief introduction to Symfony core classes. For more information, please follow other related articles on the PHP Chinese website!

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

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

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

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

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

Hot Topics

Today, most Windows users use virtual machines. When core isolation is disabled on their systems, security risks and attacks are to be expected. Even if core isolation is set, memory integrity is disabled if the user upgrades the system. If core isolation is enabled, the system will be protected from attacks. For people who frequently use virtual computers, it is highly recommended that they enable it. If you are looking for instructions on how to enable or disable Core Isolated Memory Integrity on any Windows 11 system, this page can help. How to Enable or Disable Core Isolation Memory Integrity in Windows 11 using the Windows Security app Step 1: Press the Windows key and type Windows Security

With the rapid development of information technology, enterprise management systems are becoming more and more popular. Among them, customer relationship management system (CRM) is a very popular enterprise management system. One of the biggest challenges facing businesses today is how to effectively manage customer relationships. Developing an efficient CRM system has become the core task of developing an enterprise. This article will introduce how to use the PHP framework Symfony, combined with its rich functions and documentation, to develop an efficient CRM system. 1. Understand the Symfony framework Symfony is a

The Symfony framework is a popular PHP framework with many advantages. This article will discuss the advantages of the Symfony framework. High degree of flexibility Symfony framework is very flexible and can meet a variety of needs. By using its different components, you can build your own blocks using your own code without having to use a mandatory architecture. This makes the Symfony framework ideal for developing highly complex applications. Strong Security Symfony framework is a very secure

Deploy Symfony using Docker: Start development quickly Introduction: With the rapid development of cloud computing and containerization technology, Docker has become one of the preferred tools for developers to deploy and manage applications. Symfony, as a popular PHP framework, can also be deployed through Docker, which greatly simplifies the development and deployment process. This article will introduce how to use Docker to deploy Symfony applications and provide specific code examples. Step 1: Install Docke

Symfony is a high-performance, reusable web application framework based on the PHP language. It is used to build high-quality web applications and services and provides a variety of features and tools to simplify the development process. Symfony's goal is to make web development more usable, reusable, and efficient, and is an open source framework that follows the best software engineering practices. For PHP developers, the Symfony framework is a very good choice because it provides rich and powerful flexibility to

The MVC architecture (Model-View-Controller) is one of the most popular patterns in PHP development because it provides a clear structure for organizing code and simplifying the development of WEB applications. While basic MVC principles are sufficient for most web applications, it has some limitations for applications that need to handle complex data or implement advanced functionality. Separating the model layer Separating the model layer is a common technique in advanced MVC architecture. It involves breaking down a model class into smaller subclasses, each focusing on a specific functionality. For example, for an e-commerce application, you might break down the main model class into an order model, a product model, and a customer model. This separation helps improve code maintainability and reusability. Use dependency injection

This chip may be equipped with up to 80 GPU cores, making it the most powerful product in the M3 series. Max has twice the number of cores. Judging from the development model of the M1 and M2 series, Apple's "Ultra" version of the chip basically has twice the number of cores of the "Max" version. This is because Apple actually uses two Max chips internally. The connection technologies are combined to form M1Ultra and M2Ultra. 80 GPU cores M3Ultra may have "up to 80 graphics processing cores." This prediction is based on the development path of Apple's chips: from the basic version to the "Pro" version, to the "Max" version with twice the number of graphics cores, and the "Ultra" version with double the number of CPU and GPU cores. For example

Steps to implement user rights management using Symfony framework Symfony framework is a powerful PHP development framework, which can be used to quickly develop high-quality Web applications. When developing web applications, user rights management is an important part that cannot be ignored. This article will introduce the steps to implement user rights management using the Symfony framework, with code examples. Step 1: Install the Symfony framework First, we need to install the Symfony framework in the local environment. able to pass
