How-to articles, tricks, and solutions about AUTHENTICATION


It sounds like you are having an issue with the isset() function in PHP not working properly when checking for a session variable.

How to build a RESTful API?

To build a RESTful API in PHP, you can use a framework such as Laravel or CodeIgniter, or you can build the API from scratch using core PHP.

How validate unique email out of the user that is updating it in Laravel?

In Laravel, you can use the unique validation rule to validate that an email address is unique when a user is updating their account.

HTTP authentication logout via PHP

To log out a user from HTTP authentication using PHP, you can use the header function to send a "WWW-Authenticate" header with a value of "Basic realm=realmName" and a 401 status code.

MySQL Check if username and password matches in Database

To check if a given username and password match those stored in a MySQL database, you can use a SQL SELECT statement with a WHERE clause.

PHP Sessions across subdomains

PHP sessions can be shared across subdomains by setting the session cookie's domain to the top-level domain.

SQLSTATE[HY000] [1698] Access denied for user 'root'@'localhost'

This error message typically indicates that the MySQL server is unable to authenticate the user 'root'@'localhost' with the provided password.