Found a total of 10000 related content
Use GD library to do verification code in php, phpgd library verification code_PHP tutorial
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
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974
Why does PHP password verification fail with a password hash mismatch?
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
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809
php regex for password strength
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
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474
PHP PDO function library detailed explanation, pdo function library detailed explanation_PHP tutorial
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
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911
PHP remember password function implementation example
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
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4600
PHP PDO common class library example analysis, pdo class library example analysis_PHP tutorial
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
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1065
What is the Most Effortless PHP Library for Form Validation?
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
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971
Hashing Passwords with the PHP 5.5 Password Hashing API
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
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536
Can You Decrypt a Bcrypt Password Hash in PHP?
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
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1012
