Found a total of 10000 related content
Prevent unauthorized access: Session-based PHP login verification tutorial
Article Introduction：This document aims to provide a PHP Session-based login verification scheme to prevent users from accessing protected pages directly through URLs without logging in. We will implement secure user authentication and page access control by setting Session variables and checking on pages that need to be protected. This tutorial contains detailed code examples to help developers quickly understand and apply the solution.
2025-08-13
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341
How to complete new device login verification?
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
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138
PHP login problem troubleshooting and password security practice
Article Introduction：This article aims to help developers solve the problem of PHP login verification failure and emphasizes the importance of password security. By analyzing common causes of errors, especially improper password hashing, this article will provide practical code examples and best practices to guide developers to build a safe and reliable login system, avoid using outdated encryption methods, and embrace modern password hashing technology.
2025-08-27
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642
Implement efficient form array data verification: PHP and JavaScript/Ajax collaborative verification strategy
Article Introduction：This article discusses in detail how to perform effective data verification by comparing database values before submitting a form containing array data. In response to the problem that loop interrupts and conditional submissions cannot be implemented in the original PHP code, a solution is proposed to combine JavaScript/Ajax for client asynchronous verification and PHP server-side return JSON response to ensure data accuracy and optimize user experience.
2025-08-17
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386
How to Access Child Class Methods from a Parent Class in PHP?
Article Introduction：PHP: Accessing Child Class Methods from a Parent ClassOften, when working with inheritance in PHP, developers encounter the need to access functions from a child class within the parent class. This can be achieved through a powerful mechanism: abstra
2024-10-19
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388
Create a Powerful Login System with PHP in Five Easy Steps
Article Introduction：This tutorial will guide you to build a powerful login system using PHP! We will guide you through the entire process step by step, helping you quickly create a safe and efficient login system for your website.
Core points:
This tutorial provides a step-by-step guide to creating a powerful login system using PHP and MySQL, including environment setup, database and table creation, registration and login form construction, and login system security hardening.
The registration and login form is built using HTML and PHP, and the form data will be processed and inserted into the user table of the database; the password is encrypted using a hash algorithm to enhance security.
Security measures for logging into the system include encrypting data using HTTPS, using tokens to achieve CSRF protection, limiting the number of failed login attempts, storing sensitive information separately, and
2025-02-08
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645
How Can I Get a Class Name in PHP?
Article Introduction：Getting Class Name in PHPSimilar to Java, PHP provides various methods to retrieve the class name.Using ClassName::classWith PHP version 5.5 and above, class name resolution can be achieved using the ClassName::class syntax:namespace Name\Space;
cla
2024-10-19
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990
