Table of Contents
Preface
Controller
Service
UserController
UserService
Repository
Action
Event
Exception
Home Backend Development PHP Tutorial Based on PHP Laravel, let's talk about ways to write less 'bad” PHP code! !

Based on PHP Laravel, let's talk about ways to write less 'bad” PHP code! !

Jun 07, 2021 pm 06:49 PM
laravel php

This article will give you a detailed introduction on how to write less "bad" PHP code! ! It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Based on PHP Laravel, let's talk about ways to write less 'bad” PHP code! !

Written to children who are newborn calves and are not afraid of tigers, you can read it at will This chapter is based on PHP Laravel

Preface

People often ask

  • How to design the directory better?
  • How to distribute the code well?
  • How to write a maintainable project?

I also write about "bad" projects. The following is based on the summary of articles and personal development experience of major Internet experts.

Controller

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !

Controller, as the name suggests, is a controller. When you get started with PHP, you know that Controller represents the C layer in MVC. The concept of MVC itself is code separation, which teaches you how to separate businesses. However, as the business continues to develop, the complexity of the code also increases, and the links between functions are intricate. In the end, your MVC becomes As shown in the figure below, relying solely on the MVC design idea can no longer support the growing business.

Now we redefine the tasks and capabilities of the Controller. The controller only controls Http Reqeust requests, which complies with the SOLID single function principle.

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !

Writing the business code directly in the Controller will make the code extremely bloated and difficult to maintain and expand.

<?php
	namespace App\Http\Controller;

	class UserController extends Controller{

		public function register(Request $request){
			$user = new User();
			$user->username = $request->input(&#39;username&#39;);
			$user->password = $request->input(&#39;password&#39;);
			$result = $user->save();

			return $result;
		}

	}
Copy after login

At this time, we should think about how to separate the business code. We introduce the concept of Service

Service

Service itself is translated as service

  • Inject external methods and public methods into Service
  • Inject Service into the controller

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !

Like the picture above

UserController

<?php
	namespace App\Http\Controller;

	class UserController extends Controller{

		public $request;
		
		protected $userService;
		
		public function __construct(Request $request, UserService $userService)
		{
			$this->request = $request;
			
			$this->userService = $userService;
		}
		
		public function register()
		{
			//... validation
			return $this->userService->register ($this->request->all());
		}

	}
Copy after login

UserService

<?php
	namespace App\Service;

    class UserService{
    
        public function register($data)
		{
            $username = $data[&#39;username&#39;];
            $password = $data[&#39;password&#39;];
         
			$password = encrypt ($password);
			
			$user = new User();
			$user->username = $username;
			$user->password = $password;
			$result = $user->save();

			return $result;
		}

    }
Copy after login

Until now, we have at least completely separated the business from the request. But it is still unsatisfactory. If all business and CURD are written in Service, it will just transfer the bloat of Controller to Service, and then Service will have no meaning in existence. Therefore, we need to continue to divide the Service and separate the R operations of the database, because the operations of CUD are basically the same, while the R operations become more colorful according to the complexity of the business. So standalone R operation. At this time we refer to the concept of Repository.

Repository

We use Repository auxiliary Model to encapsulate relevant query logic into different repositories to facilitate the maintenance of logic code

  • Conforming to the single principle of SOLID
  • Conforming to SOLID dependency inversion

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !

##UserController
<?php
	namespace App\Http\Controller;

	class UserController extends Controller{

		public $request;
		
		protected $userService;
		
		public function __construct(Request $request, UserService $userService)
		{
			$this->request = $request;
			
			$this->userService = $userService;
		}
		
		public function getUserInfo()
		{
			//... validation
			return $this->userService->getUserInfo ($this->request->all());
		}

	}
Copy after login

UserService
<?php
	namespace App\Service;

    class UserService{
        public $userRepository;
        
        public function __construct(UserRepository $userRepository){
            $this->userRepository = $userRepository;
        }
        public function getUserInfo()
		{
            return $this->userRepository->getUserInfo($data);
		}

    }
Copy after login

UserRepository
<?php
	namespace App\Repository;

    class UserRepository{
    
        public function getUserInfo($data)
		{
            $userId = $data[&#39;user_id&#39;];
            $result = User::where(&#39;id&#39;,$userId)->first();
			
			return $result;
		}

    }
Copy after login

After solving the problem of R, someone asked, can it be put together because CUD is relatively unified and simple? Yet? The answer is NO, we quote a new noun Action.

Action

This is what I learned after reading @Charlie_Jade’s article

Independent of each operation file, such as CreateUser ,DeleteUser,UpdateUser

    Conforms to the single principle of SOLID

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !

##UserController

<?php
	namespace App\Http\Controller;

	class UserController extends Controller{

		public $request;
		
		protected $userService;
		
		public function __construct(Request $request, UserService $userService)
		{$this->request = $request;$this->userService = $userService;
		}
		
        public function register(){
            //... validation            return $this->userService->register($this->request->all());
        }

		public function getUserInfo()
		{return $this->userService->getUserInfo ($this->request->all());
		}

	}
Copy after login

UserService

<?php
	namespace App\Service;

    class UserService{
        
        public function getUserInfo(UserRepository $userRepository)
		{            return $this->userRepository->getUserInfo($data);
		}

        public function register(){            $result = (new CreateUser())->execute($this->request->all());            
            return $result;
        }

    }
Copy after login

UserRepository

<?php
	namespace App\Repository;

    class UserRepository{
    
        public function getUserInfo($data)
		{            $userId = $data[&#39;user_id&#39;];            $result = User::where(&#39;id&#39;,$userId)->first();return $result;
		}

    }
Copy after login

CreateUser

<?php

	namespace App\Action;
	
	use App\Model\Member;
	
	class CreateUser extends CreateUserWallet
	{
		public function execute(array $data)
		{$models           = new Member();$models->tel      = $data[&#39;tel&#39;];$models->password = $data[&#39;password&#39;];$result           = $models->save ();return $result;
		}
	}
Copy after login
The above code logic is shown in the figure below

Based on PHP Laravel, lets talk about ways to write less bad” PHP code! !In addition to templates (V) and other HTML, JS, etc., some other rules, or methods, are needed to achieve decoupling of some codes. No code examples are provided below.

Common

is translated as public, commonly used. In some development, you may need some public methods (not public classes, such as email sending, etc.) It is not appropriate to use it), such as checking the user's balance, checking whether the user is registered or online, generating an order number, etc. Using Common is even simpler. It looks more like a public function library

Event

You can choose to use it when you don’t care about the execution results, but Event’s Listen also provides a queue.

Exception

Don’t use Return to return all your error messages. In many cases, your return may not be your return

Recommended learning: "PHP Video Tutorial

The above is the detailed content of Based on PHP Laravel, let's talk about ways to write less 'bad” PHP code! !. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

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

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

PHP and Python: Comparing Two Popular Programming Languages PHP and Python: Comparing Two Popular Programming Languages Apr 14, 2025 am 12:13 AM

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP: A Key Language for Web Development PHP: A Key Language for Web Development Apr 13, 2025 am 12:08 AM

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

PHP's Current Status: A Look at Web Development Trends PHP's Current Status: A Look at Web Development Trends Apr 13, 2025 am 12:20 AM

PHP remains important in modern web development, especially in content management and e-commerce platforms. 1) PHP has a rich ecosystem and strong framework support, such as Laravel and Symfony. 2) Performance optimization can be achieved through OPcache and Nginx. 3) PHP8.0 introduces JIT compiler to improve performance. 4) Cloud-native applications are deployed through Docker and Kubernetes to improve flexibility and scalability.

PHP vs. Other Languages: A Comparison PHP vs. Other Languages: A Comparison Apr 13, 2025 am 12:19 AM

PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.

The Enduring Relevance of PHP: Is It Still Alive? The Enduring Relevance of PHP: Is It Still Alive? Apr 14, 2025 am 12:12 AM

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.

PHP's Purpose: Building Dynamic Websites PHP's Purpose: Building Dynamic Websites Apr 15, 2025 am 12:18 AM

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP: The Foundation of Many Websites PHP: The Foundation of Many Websites Apr 13, 2025 am 12:07 AM

The reasons why PHP is the preferred technology stack for many websites include its ease of use, strong community support, and widespread use. 1) Easy to learn and use, suitable for beginners. 2) Have a huge developer community and rich resources. 3) Widely used in WordPress, Drupal and other platforms. 4) Integrate tightly with web servers to simplify development deployment.

PHP vs. Python: Core Features and Functionality PHP vs. Python: Core Features and Functionality Apr 13, 2025 am 12:16 AM

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.

See all articles