Article Introduction：In php, GD library is used for verification code, and phpgd library is used for verification code. Use GD library to do verification code in php, phpgd library verification code php require_once 'string.func.php';//Use GD library to do verification code/** *Add verification text* @param int $type * @param int $length */function

2016-07-12 comment 0  976

Article Introduction：PHP password_hash(), password_verify()In your registration script, you correctly hash the password using password_hash() and store it in the database. However, when verifying the password during login using password_verify(), you're encountering a mi

2024-10-21 comment 0  810

Article Introduction：To determine the strength of the password, it is necessary to combine regular and logical processing. The basic requirements include: 1. The length is no less than 8 digits; 2. At least containing lowercase letters, uppercase letters, and numbers; 3. Special character restrictions can be added; in terms of advanced aspects, continuous duplication of characters and incremental/decreasing sequences need to be avoided, which requires PHP function detection; at the same time, blacklists should be introduced to filter common weak passwords such as password and 123456; finally it is recommended to combine the zxcvbn library to improve the evaluation accuracy.

2025-07-03 comment 0  486

Article Introduction：How to use the ltrace tool to trace PHP library function calls, ltrace library function. How to use the ltrace tool to track PHP library function calls, ltrace library function This article describes how to use the ltrace tool to track PHP library function calls. Share it with everyone for your reference, specifically

2016-07-12 comment 0  1012

Article Introduction：Detailed explanation of PHP PDO function library, detailed explanation of pdo function library. Detailed explanation of PHP PDO function library, detailed explanation of pdo function library PDO is a database access abstraction layer, which unifies the access interfaces of various databases. Compared with the function libraries of mysql and mysqli, PDO allows cross-data

2016-07-12 comment 0  914

Article Introduction：Remember password function We will see this function when logging in to many websites. Let's take a look at an implementation method of remembering password function based on PHP. The specific example is as follows.

2018-05-18 comment 0  4601

Article Introduction：Decrypting Password Hashes in PHP Using Password_HashQuestion:How do I decrypt a password hash generated using the PHP password_hash function? The...

2024-10-30 comment 0  517

Article Introduction：Using PHP 5.5's Password Hashing Functions for Secure Password ManagementSecuring user passwords is crucial in modern web applications. PHP 5.5...

2024-12-17 comment 0  434

Article Introduction：Using PDO with Password Hashing to Enhance Code SecurityTo secure your PHP code, it's crucial to utilize password hashing techniques. Avoid...

2024-12-09 comment 0  1082

Article Introduction：PHP PDO common class library example analysis, pdo class library example analysis. Example analysis of PHP's PDO common class library, pdo class library example analysis This article describes PHP's PDO common class library with examples. Share it with everyone for your reference, the details are as follows: 1. Db.class.php connects to the database

2016-07-12 comment 0  1067

Article Introduction：Generating a Random String Password in PHPIn an attempt to create a random password in PHP, a developer faced challenges with obtaining an array...

2024-12-02 comment 0  936

Article Introduction：What's a Secure and Fast Password Encryption System for PHP?MD5, once recommended for password protection, has become less secure. Balancing...

2024-12-23 comment 0  617

Article Introduction：Easiest Form Validation Library for PHPIn search of a straightforward PHP library that simplifies form validation tasks? Let's explore your options:Custom Library ExampleThe user suggests a custom PHP class that incorporates predefined regex patterns

2024-10-17 comment 0  982

Article Introduction：Password Hashing in PHP: SHA1, MD5, SHA256 vs. BcryptWhen designing a secure PHP login system, the choice of password hashing algorithm is...

2024-10-31 comment 0  462

Article Introduction：PHP Dynamic Library Loading ErrorWhen running a PHP script, you may encounter the following error:PHP Warning: PHP Startup: Unable to load dynamic...

2024-12-02 comment 0  1184

Article Introduction：PHP Warning: PHP Startup: Unable to Load Dynamic LibraryThis error message indicates an issue with loading a specific dynamic library when PHP...

2024-12-05 comment 0  767

Article Introduction：Generating a Secure Random Password in PHPQuestion: How do I generate a random password in PHP and prevent the issue of receiving only 'a'...

2024-11-29 comment 0  1033

Article Introduction：Core points PHP 5.5 Password Hash API simplifies password hashing through four functions: password_hash() is used to hash the password, password_verify() is used to verify the password and its hash value, password_needs_rehash() is used to check whether the password needs to be rehashed, password_get_info() is used to return the name of the hashing algorithm and various options used in the hashing process. This API uses the bcrypt algorithm by default and automatically handles the generation of salt values ​​without the need for developers to provide. However, developers can still pass to password_hash() function

2025-02-23 comment 0  539

Article Introduction：Generating a Random String for Password in PHPProblem:When generating a random password in PHP using the code snippet below, all characters are...

2024-11-26 comment 0  1139

Article Introduction：Decrypting Password Hashes in PHP: Impossible with BcryptOne of the foundational concepts of cryptography is the irreversible nature of hashing...

2024-11-03 comment 0  1014