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Article Introduction：I encountered a common but difficult problem when developing a user registration and logging into a system: how to effectively prevent robots from automatically registering and logging in. I tried multiple verification methods, but it didn't work well until I discovered this powerful PHP verification code library of lsmverify/lsmverify. By using Composer to install and configure this library, I successfully implemented efficient verification code function in the project, greatly improving the security of the system.

2025-04-18 comment 0  356

Article Introduction：When to Use 'self' over '$this' in PHP 5In PHP 5, using the correct keyword to refer to class members and methods is crucial. When it comes to the...

2024-12-17 comment 0  1175

Article Introduction：This article aims to illustrate how to correctly use the $_POST variable in the constructor of PHP anonymous class. With a simple example, we will have a deep understanding of the creation process of anonymous classes, and how the constructor receives and processes data from $_POST and initializes the class's member variables based on this data.

2025-09-06 comment 0  953

Article Introduction：This article aims to guide Laravel developers on how to safely and efficiently embed PHP code in Blade templates. We will explore best practices to avoid direct database queries in Blade templates and explain how to use the value() method to get the value of a single field from the database to improve code maintainability and performance.

2025-09-01 comment 0  313

Article Introduction：This article explains how to use Xdebug for debugging PHP 7 code. It covers Xdebug configuration (installation, php.ini settings, IDE setup), breakpoint usage (conditional, function, remote), and troubleshooting connection issues. Effective debuggi

2025-03-10 comment 0  1020

Article Introduction：There are three main ways to create custom verification rules in Laravel, suitable for different scenarios. 1. Use Rule class to create reusable verification logic: generate a class through phpartisanmake:ruleValidPhoneNumber, and introduce and use it in the controller, suitable for complex and reusable situations; 2. Use closures in verification rules: directly write one-time verification logic in the validate method, such as checking the length of the username, suitable for simple and only once-using scenarios; 3. Add custom rules in FormRequest: add closures or introduce Rule classes in the rules() method of form requests, which are clear and easy to manage; in addition, you can also use att

2025-07-29 comment 0  459

Article Introduction：Use FormRequests to extract complex form verification logic from the controller, improving code maintainability and reusability. 1. Creation method: Generate the request class through the Artisan command make:request; 2. Definition rules: Set field verification logic in the rules() method; 3. Controller use: directly receive requests with this class as a parameter, and Laravel automatically verify; 4. Authorization judgment: Control user permissions through the authorize() method; 5. Dynamic adjustment rules: dynamically return different verification rules according to the request content.

2025-07-30 comment 0  506

Article Introduction：How to use Python to crack verification code? In our daily use of the Internet, we often encounter various forms of verification codes. Recently, some users uploaded...

2025-04-01 comment 0  831

Article Introduction：Use code verification tools to check whether HTML complies with standards and find errors. To use the online verification tool, you can visit W3C and other websites to paste or upload codes to click verification. The tool will list the errors and causes line by line. Common errors include the lack of closed tags, nesting errors, improper use of autistic tags, and misspelling attributes. Regular verification of code helps keep HTML structure correct.

2025-06-23 comment 0  886

Article Introduction：This article describes how to use the Abstract API for mobile phone number verification and provides a PHP sample code. The focus is to correctly parse the JSON data returned by the API and use the strpos() function to judge the verification results, avoid common logical errors, and ensure accurate judgment of the validity of mobile phone numbers.

2025-09-01 comment 0  815

Article Introduction：The method of handling Laravel's email failure to send verification code is to use Laravel...

2025-03-31 comment 0  887

Article Introduction：spl_autoload_register() is a core function used in PHP to implement automatic class loading. It allows developers to define one or more callback functions. When a program tries to use undefined classes, PHP will automatically call these functions to load the corresponding class file. Its main function is to avoid manually introducing class files and improve code organization and maintainability. Use method is to define a function that receives the class name as a parameter, and register the function through spl_autoload_register(), such as functionmyAutoloader($class){require_once'classes/'.$class.'.php';}spl_

2025-06-09 comment 0  418

Article Introduction：This article describes how to use the DEAP (Distributed Evolutionary Algorithms in Python) library to efficiently obtain the best individuals in each generation of genetic algorithms. By combining the HallOfFame class and the MultiStatistics class, code can be simplified and performance can be significantly improved, making it easy to track and analyze the optimal solutions for each generation.

2025-08-08 comment 0  990

Article Introduction：This article aims to help beginners understand the correct use of classes and methods in Python, especially the difference between instance attributes and class attributes. We will use a trader class example to explain in detail how to define and use instance attributes, how to take corresponding buying and selling operations based on the price, and update the transaction quantity. By studying this article, you will be able to avoid common mistakes and write more robust and easy to maintain Python code.

2025-09-04 comment 0  860

Article Introduction：PHP Custom Annotations: Enhanced Code Flexibility and Scalability This article discusses how to create and use custom annotations in Symfony 3 applications. Annotations are the document block metadata/configuration we see above classes, methods and properties. They are often used to declare controller routing (@Route()), Doctrine ORM mapping (@ORM()), or control Rauth and other packages. Types and methods of access. This article will explain how to customize annotations and read class or method information without loading the class. Key points: PHP custom annotations can be used to add metadata to your code, affecting your code behavior, making it more flexible and easier to adapt. They can be used to define routing information, specify verification rules, or configure dependency injection.

2025-02-15 comment 0  1052

Article Introduction：For account security, when you log in to WeChat on a new device for the first time, you need to enter your WeChat account and password, or your mobile phone number and verification code. Then, you will be prompted to complete the secondary verification. The optional method is as follows: use the old logged in device to open WeChat and scan the QR code on the screen to complete verification. Log in again to verify through your account password, or mobile phone number and verification code. Use the bound email to receive the verification code and enter it to complete the login. Invite friends to assist in verification. Invite two common contacts to send verification codes to your account, and then refresh the page to view verification results. After completing any of the above verification methods, you can successfully log in to your account.

2025-07-28 comment 0  145

Article Introduction：In PHP, verification email strings can be implemented through the filter_var function, but other methods need to be combined to improve the validity of verification. 1) Use filter_var function for preliminary format verification. 2) DNS verification is performed through the checkdnsrr function. 3) Use SMTP protocol for more accurate verification. 4) Use regular expressions carefully for format verification. 5) Considering performance and user experience, it is recommended to verify initially when registering, and confirm the validity by sending verification emails in the future.

2025-05-20 comment 0  781

Article Introduction：Use the Artisan command to generate resource controller: phpartisanmake:controllerPostController--resource; 2. Register routes in routes/api.php: Route::apiResource('posts',PostController::class); 3. Implement index, store, show, update and destroy methods in the controller and operate the Post model; 4. Optional but it is recommended to use APIResource to format JSON output; 5. Laravel automatically handles verification errors and returns 422 status code

2025-08-04 comment 0  391

Article Introduction：There are three ways to convert JSON data into Python class objects. 1. Use json.loads() to parse and pass it to the class constructor, which is suitable for simple structure scenarios; 2. Use dataclasses to simplify class definitions, automatically generate __init__, and improve the efficiency of multiple fields; 3. Use pydantic to realize automatic type conversion and data verification, support nested structure processing, which is suitable for complex data and interface interaction scenarios.

2025-07-11 comment 0  430

Article Introduction：Solidity Smart Contract Debugging and Flattening: Using Remix IDE and Truffle This article describes how to debug Solidity smart contracts using the Remix IDE and use Truffle Flattener flat contract code for easy debugging and verification. Key points: Contract flattening: Merge multiple Solidity files into one file and remove import statements to facilitate manual review, Etherscan verification, and Remix IDE debugging (Remix IDE currently does not support import). Remix IDE: Powerful Soli

2025-02-16 comment 0  760