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.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://www.php.net/manual/en/book.session.php
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 session variables; session_write_close — Write session data and end

https://www.phptutorial.net/php-tutorial/php-session/
Suppose, you click the add to cart button on the product.php page and navigate to the cart.php page, the web server won't know that you have added the product to the cart.. To persist the information across the pages, the web server uses sessions. In this example, when you click the add to cart button, the web server will store the product on the server.

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://code-boxx.com/sessions-in-php/
To shed some light on the technical backend here. When session_start() is called: PHP will generate a PHPSESSID unique ID cookie. A corresponding sess_PHPSESSID file will also be created on the server. So whenever we assign $_SESSION["KEY"] = "VALUE", it will be saved into the sess_PHPSESSID file.

https://www.php.net/manual/en/ref.session.php
session_register_shutdown — Session shutdown function. session_reset — Re-initialize session array with original values. 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.

https://stackoverflow.com/questions/454635/where-are-session-variables-stored
The location of the $_SESSION variable storage is determined by PHP's session.save_path configuration. Usually this is /tmp on a Linux/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain: phpinfo();

https://codewithbish.com/php-session-handling-a-complete-guide-with-examples/
In this complete guide, we'll cover everything you need to know about PHP session handling, from the basics of session management to more advanced topics like session hijacking prevention and handling multiple sessions. With step-by-step instructions, you'll be able to implement PHP session handling into your projects with ease.

https://www.sitepoint.com/php-sessions/
You can store data in a PHP session by setting the $_SESSION variable. This is a global variable and can be accessed from anywhere in your PHP script. For example, to store a user's username

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.tutorialspoint.com/php/php_sessions.htm
A session creates a file in a temporary directory on the server where registered session variables and their values are stored. This data will be available to all pages on the site during that visit. The location of the temporary file is determined by a setting in the "php.ini" file called "session.save_path".

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.w3docs.com/learn-php/php-sessions.html
Securing PHP Sessions. It's important to secure PHP sessions to prevent unauthorized access to sensitive user data. You can secure your PHP sessions in several ways: Regenerate the session ID periodically. Store the session data on the server-side in an encrypted format. Use HTTPS to protect the transmission of session data.

https://www.php.net/manual/en/session.examples.basic.php
Basic usage. ¶. Sessions are a simple way to store data for individual users against a unique session ID. This can be used to persist state information between page requests. Session IDs are normally sent to the browser via session cookies and the ID is used to retrieve existing session data. The absence of an ID or session cookie lets PHP

https://www.simplilearn.com/tutorials/php-tutorial/session-in-php
Session in PHP is a way of temporarily storing and making data accessible across all the website pages. It will create a temporary file that stores various session variables and their values. This will be destroyed when you close the website. This file is then available to all the pages of the website to access information about the user.

https://www.javatpoint.com/php-session
PHP session for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex, string, oop. ... PHP $_SESSION. PHP $_SESSION is an associative array that contains all session variables. It is used to set and get session variable values. Example: Store information

https://stackoverflow.com/questions/10097887/using-sessions-session-variables-in-a-php-login-script
Firstly, the PHP documentation has some excellent information on sessions.. Secondly, you will need some way to store the credentials for each user of your website (e.g. a database).

https://www.php.net/manual/en/function.session-start.php
session_start() creates a session or resumes the current one based on a session identifier passed via a GET or POST request, or passed via a cookie. When session_start() is called or when a session auto starts, PHP will call the open and read session save handlers. These will either be a built-in save handler provided by default or by PHP extensions (such as SQLite or Memcached); or can be

https://www.ctinsider.com/politics/article/connecticut-senate-special-session-taxes-19538560.php
The three-hour-long Senate session was highlighted by GOP criticism of a provision that would allow for a Connecticut-based water company to purchase Aquarion, as well as a protracted argument over whether an effort to lower taxes on commercial vehicles would include a long-term, five-percent hike on residential vehicle taxes.The GOP lawmakers offered three amendments that were all rejected

https://stackoverflow.com/questions/22132884/php-message-using-sessions
there's no way that unsetting the session variable AFTER you've done your echo could prevent the session value from being displayed. PHP is not capable of time travel. Make sure that you've done session_start() every where you're dealing with the session, BEFORE you deal with the session. -

https://guides.library.columbia.edu/c.php?g=1047597&p=9145106
Research Guides: Library Instruction Session for Japanese Pedagogy Summer Sessions: Summer 2024

https://stackoverflow.com/questions/78674125/php-sessions-involving-two-subdomains
What session driver is your CI4 application using? "they seem to be tangled together (if I close one session the other site will be logged out also), but they are separate" - to me, that would suggest that while sharing the same session ID, they are using different storage mechanisms. You close one session, that will remove the cookies with the session IDs - result, you are not logged in any

https://www.php.net/manual/fr/reserved.variables.session.php
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8) $_SESSION — Variables de session. Description. Un tableau associatif des valeurs stockées dans les sessions, et accessible au script courant. Voyez l'extension Sessions pour plus de détails sur comment est utilisée cette variable. Notes.