https://stackoverflow.com/questions/10097887/using-sessions-session-variables-in-a-php-login-script
When storing passwords, you should use PHP's crypt() hashing function. This means that if any credentials are compromised, the passwords are not readily available. Most log-in systems will hash/crypt the password a user enters then compare the result to the hash in the storage system (e.g. database) for the corresponding username.

https://stackoverflow.com/questions/1243150/php-sessions-to-authenticate-user-on-login-form
Not really : "you" (well, PHP) must keep a link between a user and the session file on the disk ; as every request in HTTP is independant of the others, it's generally done with a cookie that store the session's identifier. And when PHP receives that cookie, it knows which session correspond to the user. -

https://www.w3schools.com/php/php_sessions.asp
A session is started with the session_start() function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables:

https://robots.net/tech/how-to-create-a-login-page-in-php-using-sessions/
Follow these steps to create the login form: Create a new PHP file: Start by creating a new PHP file named "login.php" in your project directory. This file will contain the HTML and PHP code for the login form. Structure the HTML form: Inside the "login.php" file, start by structuring the HTML code for the login form. Use the `.

https://phppot.com/php/php-login-script-with-session/
Last modified on May 14th, 2023. In this tutorial, let us create a login script with a session in PHP. It has a simple example of implementing user authentication. This example uses a standard login form to get the user login details. And it preserves the login state with PHP sessions. Login would be the first step of many applications.

https://code.tutsplus.com/how-to-use-sessions-and-session-variables-in-php--cms-31839t
On the other hand, if you don't have access to the php.ini file, and you're using the Apache web server, you could also set this variable using the .htaccess file. 1. php_value session.auto_start 1. If you add the above line in the .htaccess file, that should start a session automatically in your PHP application.

https://alexwebdevelop.com/user-authentication/
Session-based Login. The Session-based login is done with the sessionLogin () method. This function gets the current Session ID (using session_id ()) and looks for it into the account_sessions table. If it's there, it also checks that: the Session is not older than 7 days. the account linked to the session is enabled.

https://codewithbish.com/how-to-build-a-php-login-system-with-session-step-by-step/
It also sets the user login session. When authenticating the user, the user id gets stored in a php session. We use the PHP $_SESSION super global variable that will contain the user's ID. And when the user logs out, the session id gets unset, and the session gets deleted. Register.

https://www.sitepoint.com/users-php-sessions-mysql/
Firstly, always use the latest version of PHP and MySQL to benefit from the most recent security updates. Secondly, use secure session settings in your php.ini file, such as using secure cookies

https://codewithbish.com/php-session-handling-a-complete-guide-with-examples/
PHP sessions are a way to store user-specific data across multiple pages on a website. When a user visits a website, the server creates a unique session ID, which is stored in a cookie on the user's computer. ... There are several benefits of using PHP sessions in your web applications. Firstly, sessions allow you to store user-specific data

https://codeshack.io/secure-login-system-php-mysql/
File Structure & Setup. We can now start our web server and create the files and directories we're going to use for our login system. Open XAMPP Control Panel. Next to the Apache module click Start. Next to the MySQL module click Start. Navigate to XAMPP's installation directory ( C:\xampp) Open the htdocs directory.

https://johnmorrisonline.com/build-php-login-form-using-sessions/
Process Login. Here, we do a couple things. First, we look for and grab the user data from the database based on the username submitted. Then, we verify the password submitted against the password hash stored in our database using password_verify (). Finally, we create the user session if the password is correct.

https://www.tutorialrepublic.com/php-tutorial/php-sessions.php
Before you can store any information in session variables, you must first start up the session. To begin a new session, simply call the PHP session_start() function. It will create a new session and generate a unique session ID for the user. The PHP code in the example below simply starts a new session.

https://www.geeksforgeeks.org/php-sessions/
The PHP session_start () function is used to begin a new session.It also creates a new session ID for the user. Storing Session Data: Session data in key-value pairs using the $_SESSION [] superglobal array.The stored data can be accessed during lifetime of a session. Accessing Session Data: Data stored in sessions can be easily accessed by

https://www.tutorialrepublic.com/php-tutorial/php-mysql-login-system.php
In the above example, we have used the PHP's inbuilt password_hash() function to create a password hash from the password string entered by the user (line no-78).This function creates a password hash using a strong one-way hashing algorithm. It also generates and applies a random salt automatically when hashing the password; this basically means that even if two users have the same passwords

https://www.php.net/manual/en/book.session.php
session_save_path — Get and/or set the current session save path; session_set_cookie_params — Set the session cookie parameters; session_set_save_handler — Sets user-level session storage functions; session_start — Start new or resume existing session; session_status — Returns the current session status; session_unset — Free all

https://www.php.net/manual/en/features.session.security.management.php
Session and Auto-login. Developers must not use long life session IDs for auto-login because it increases the risk of stolen sessions. An auto-login feature should be implemented by the developer. Use a secure one time hash key as an auto-login key using setcookie(). Use a secure hash stronger than SHA-2. E.g.

https://www.php.net/manual/en/reserved.variables.session.php
$_SESSION is a predefined variable in PHP that allows you to store and access data across multiple pages. You can learn how to use $_SESSION to create and manage sessions, how to modify and unset session variables, and how to avoid session timeout issues. This manual page also provides links to other session-related functions and resources.

https://www.phptutorial.net/php-tutorial/php-login/
Define the login () function. The login() function accepts username and password and returns true if they are valid. The logic of the login() function is as follows: First, find the username in the users table. If the user exists, go to step 2. Second, verify if the password matches.

https://www.codexworld.com/registration-login-system-php-mysql-session/
In this PHP login system script, we will implement the following functionality with PHP and MySQL. Registration to create a user account. User account validation. User authentication with PHP SESSION. User account view. Before getting started to build User Login System with PHP, take a look at the file structure.

https://github.com/samikshadesai2306/login_system
A login system made with Bootstrap, PHP, and phpMyAdmin provides secure user authentication. Bootstrap ensures a responsive design, PHP handles server-side processing, and phpMyAdmin manages the MySQL database for storing user credentials. Key features include user registration, password hashing, and session management.

https://stackoverflow.com/questions/23631184/create-a-simple-php-login-with-sessions-and-multiple-users
It's obvious why you are already logged with the first username... $_SESSION ['usernamne1']==true is true if the value is anything true-y, which basically means when you assign it a string that's not empty, '0' or "\0" it's value is true-y, hence the bad match and logging you in when you shouldn't be. ALWAYS use === when the types will be

https://www.gsmarena.com/youtube_is_now_cracking_down_on_those_using_vpns_to_get_premium_cheaper-news-63374.php
Following its well documented crackdown on ad blockers, YouTube is now also cracking down on VPNs.Specifically, we're talking about people using VPNs to fake their location in order to get a

https://docs.docker.com/guides/docker-overview/
The Docker daemon. The Docker daemon (dockerd) listens for Docker API requests and manages Docker objects such as images, containers, networks, and volumes.A daemon can also communicate with other daemons to manage Docker services. The Docker client. The Docker client (docker) is the primary way that many Docker users interact with Docker.When you use commands such as docker run, the client

https://stackoverflow.com/questions/78633793/php-session-variable-getting-lost
On all the pages that requires the use of session variables the line of code. session_start(); has been used. I wrote a piece of code the return the logs when you click on the shops button. Session Data: Array ( [user_id] => 1 [name] => tester [surname] => testing [email] => [email protected])